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Plain, useful articles to help you choose the right system. Read, compare and ask us anything on your mind.

Security cameraIP camera or analog camera? The differences and which to chooseWhat is the difference between IP cameras and analog (HD) cameras? We explain step by step which one to choose based on cabling, the recorder, image quality and your plans to expand.6 min readSecurity cameraHow many megapixels is enough? Comparing 2, 4 and 8 MPWhat is the difference between 2 MP, 4 MP and 8 MP cameras, and which is enough where? We explain how to choose the right resolution based on distance, lens, disk and night image.6 min readSecurity cameraNight vision camera types: infrared, color night vision and hybrid lightHow do infrared, color night vision and hybrid light cameras work, and which suits a garden or parking lot? A buying guide for clear recordings in the dark.6 min readSecurity cameraHow to choose a camera lens: the difference between 2.8 mm, 4 mm and motorized lensesWhat is the difference between 2.8 mm, 4 mm, 6 mm and motorized lenses? We explain how a camera lens sets the field of view and distance, and which one suits which spot.6 min readSecurity cameraWhat are NVRs and DVRs, and how do they differ? A guide to choosing a recorderWhat is the difference between an NVR and a DVR, and what is a hybrid recorder for? A guide to choosing the right recorder by channel count, disk bays, PoE and compatibility.6 min readSecurity cameraHow many days should camera footage be kept? How to calculate disk capacityHow many days should camera recordings be kept, and how many TB of disk does that take? We explain the disk calculation with an example based on bit rate, number of cameras and recording mode.6 min readSecurity cameraHow to set up camera viewing on your phone: remote viewing step by stepWe explain step by step how to connect the recorder to the internet, install the app, add it with a QR code and set it up securely to view your cameras on your phone.6 min readSecurity cameraWhen does a wireless Wi-Fi camera make sense, and when doesn't it?Wi-Fi cameras are practical for tenants and small shops, but they do not work everywhere. We explain when to choose a wireless camera and when to choose a wired one.6 min readSecurity cameraWhat is a PoE camera? The advantages of carrying power and video over a single cableA PoE camera gets power and video over the same network cable. We explain PoE standards, power budget, the 100-meter limit and switch selection in plain language.6 min readSecurity cameraThe 9 most common camera placement mistakes and blind spotsIf a camera is too high, faces the light or points the wrong way, the recording is useless. We cover the 9 most common placement mistakes and how to close blind spots.7 min readIndustryHow to set up a camera system for a market or shopWhere should cameras go in a market or shop, what angle does the cash register need, and how many days should recordings be kept? What shop owners should know before installation.6 min readIndustryA guide to common-area camera systems for apartment buildings and housing estatesWhere do common-area cameras go in apartment buildings and housing estates, who watches the recordings, and how is cable run between blocks? A step-by-step guide for estate managers.7 min readIndustryCamera planning for factories and warehouses: large areas, high ceilings, dustWhat should you look at when planning cameras for the perimeter, loading docks, rack aisles and dusty production areas of factories and warehouses? A guide to distance, lenses and protection ratings.7 min readIndustryCameras for fields and farms: what if there's no electricity or internet?How does a camera work in a field without power or internet? We compared solar panels, batteries, 4G connectivity and wireless bridges from a farmer’s point of view.7 min readSecurity cameraWhat is a license plate recognition camera, and where is it used?How does a license plate recognition camera read plates, how is it different from a regular camera, and where is it mounted at estate and parking entrances? The factors that affect accurate reading are here.6 min readSecurity cameraWhat does a face recognition camera do, and what should you watch out for?What is the difference between face recognition and face detection cameras, where are they useful in an institution, and why do they need extra care under KVKK? A guide for institution managers.7 min readMaintenanceCamera system maintenance: 10 things to check once a yearA camera system may look like it is working while recording has stopped. We list the 10 items to check in annual maintenance, including lenses, disks, clock, cables, UPS and passwords.7 min readSecurity cameraUpgrading an old analog camera system: what stays, what changes?When upgrading an old analog camera system, can the coaxial cable, cabinet and poles be kept? We compared HD analog and IP migration options.7 min readMaintenanceWhy is the camera image blurry? 8 possible causes and fixesIs the camera image blurry by day, at night, or only on the phone? 8 causes and fixes, including a dirty lens, fogging, focus drift, low bitrate and cable problems.7 min readMaintenanceHow to retrieve and store camera footage after an incidentAfter a theft or accident, how do you export camera footage before it is overwritten, store it and hand it over to the authorities? A step-by-step guide for businesses.7 min readAlarmWired or wireless alarm? A comparison for homes and businessesThe differences between wired and wireless burglar alarms: installation, batteries, signal and maintenance. Find out which is right for your home or business.6 min readAlarmWhat parts make up an alarm system? Panel, sensors, sirenWhat do the panel, motion sensor, door contact, siren, keypad and communication module do in a burglar alarm? A part-by-part guide for first-time alarm buyers.6 min readAlarmAlarms with pets at home: how to choose a motion sensorYou can install an alarm even with a cat or dog at home. How does a pet-immune sensor work, where should it go, and why are cats harder? A guide to choosing and installing.6 min readAlarmWhy do alarms go off for no reason? 7 causes of false alarmsDoes your burglar alarm go off when no one is around? Causes of false alarms and fixes: sensor location, batteries, loose contacts, insects, air conditioning and user error.7 min readAlarmSecurity tips for homes and summer houses left empty for a long timeAlarms, cameras, remote notifications, water and fire sensors for a summer house, vineyard house or an apartment left empty for months. Plus what to do before you leave home.7 min readIndustrySecurity for jewelers, pharmacies and shops that sell valuable goodsAlarms, safe sensors, panic buttons and cameras for shops selling valuable goods, such as jewelers, pharmacies and phone shops. How do you plan layered security?7 min readSmart homeWhere do you start with a smart home system?Before starting a smart home: a needs list, Wi-Fi coverage, the neutral wire, protocol and app choice. How do you make a plan that starts with a few devices and grows?7 min readSmart homeSmart plugs, thermostats and blinds: which ones are really useful?In which homes are smart plugs, room thermostats and blind motors useful, and in which are they a waste of money? A guide covering boiler compatibility, plug current limits and sun-facing sides of the house.7 min readSmart homeCan alarms, cameras and a smart home be combined in one app?Is it possible to bring burglar alarms, security cameras and smart home devices together in one app? The advantages, the risks and the right installation order in this guide.7 min readSmart homeChoosing a video door phone: for apartment buildings and detached housesHow do you choose a video door phone for an apartment building or a detached house? A guide to 2-wire vs IP intercoms, existing cabling, door panel location and forwarding to your phone.7 min readFireWhich buildings are required to have a fire detection system?Whether a fire detection system is required depends on a building's use, height, floor area and number of occupants. We explain how to check.6 min readFireThe difference between conventional and addressable fire panelsA conventional panel shows which zone an alarm came from; an addressable panel shows which device. We explain which one makes sense for which building.6 min readFireSmoke, heat and gas detectors: which one goes where?Smoke detectors are for rooms and corridors, heat detectors for kitchens and boiler rooms, and gas detectors for areas where gas is used. How to choose the right location.6 min readFireHow are fire alarm system maintenance and periodic testing done?In fire alarm maintenance, detectors, call points, sounders, the panel and the battery are tested one by one. We explain the steps and record keeping a building manager should know.6 min readIndustryHow do fire alarm, PA and evacuation work together in schools?At a school, the fire alarm, PA system and evacuation plan must work together. For school principals, we explain how the systems fit together and how to prepare for drills.7 min readIndustryFire detection in restaurants and kitchens: why a heat detector?In a restaurant kitchen, a smoke detector keeps giving false alarms. We explain where heat and gas detectors go, the dining area side and the range hood risk.6 min readIndustryFire detection in warehouses and factories: high ceilings and dusty areasIn high-ceiling warehouses and dusty factories, an ordinary smoke detector reacts late or gives false alarms. Beam, aspirating and flame detector options.7 min readFireFire and carbon monoxide detectors at home: where, and how many?At home, smoke detectors go in bedrooms and hallways, a heat detector in the kitchen, and a carbon monoxide detector where there is a stove or boiler. Room-by-room planning.6 min readFireWhere do manual call points, sounders and strobes go?Manual call points go on escape routes and at exits; sounders are placed so they are heard everywhere and strobes so they are seen. We explain common placement mistakes.6 min readFireWhy do fire alarms go off falsely? What can you do to prevent it?A fire alarm usually goes off falsely because of steam, dust, a dirty detector or the wrong detector choice. How to find the cause and stop it from happening again.6 min readNetworkNo Wi-Fi signal at home: mesh, access points and wired solutionsIf Wi-Fi is weak in some rooms of your home, the problem is often where the modem is and the walls. We compared mesh, ceiling access points and wired solutions.6 min readNetworkNetwork setup for a small business: modem, switch, Wi-FiHow do you choose the modem, switch, cabling and Wi-Fi when setting up a network for an office, store or clinic? Common mistakes and the right order of steps in this article.6 min readNetworkCat6, Cat6A and fiber cable: which to use when?Cat6, Cat6A or fiber? We explain in plain language which cable to choose based on distance, speed, PoE, outdoor use and connections between buildings.7 min readNetworkWhat is structured cabling? Getting it right from the start in a new buildingWhat is structured cabling, and why should it be planned during construction of a new building? For contractors, we explain the conduit, outlet, cabinet, testing and handover steps.7 min readIndustryWireless network in schools: classrooms, the staff room and securityWhy isn’t Wi-Fi enough for classrooms? A guide for school principals on access point placement, separating teacher and student networks, and security.7 min readNetworkHow to set up a secure guest Wi-Fi network at workHow do you set up guest Wi-Fi in a café, store, doctor’s office or office? We explain network separation, speed limits, the login page and the Law No. 5651 logging requirement.7 min readNetworkChoosing a switch: PoE, managed, number of portsWhen buying a switch, how should you look at port count, PoE power budget, manageability and fiber ports? A plain selection guide for camera and Wi-Fi projects.7 min readNetworkHow to organize a network cabinet: labeling and cable managementHow do you tidy up a messy network cabinet? A practical guide to device order, patch cable length, labeling, color coding, ventilation and documentation.7 min readNetworkIs it the internet or the network? 6 steps to find the problemWhen the internet slows down at work, is it the line, the modem or the wireless network? 6 simple steps you can follow to find the source of the problem.7 min readIndustryInternet infrastructure for hotels, guesthouses and dormitoriesWhy do Wi-Fi complaints never end in hotels and dormitories? We explain in-room access points, network separation, the login page, the logging requirement and peak-hour planning.8 min readSolar powerDoes installing solar panels in Şanlıurfa make sense?Who does it make sense for to install solar panels in Şanlıurfa? What to look at to decide, based on consumption, roof or land, shade, dust and grid conditions.6 min readSolar powerHow does a solar-powered pump system work for agricultural irrigation?How does a solar irrigation pump work, is a battery needed, and what determines the number of panels? What farmers need to know when choosing a well, pump and drive.6 min readSolar powerThe difference between on-grid, off-grid and hybrid solar systemsHow do on-grid, off-grid and hybrid solar power systems work, what happens during a power cut, and when is a battery needed? Choose the right type for your home or field.6 min readSolar powerHow many kW of solar panels do you need? How to calculate from your consumptionHow many kW of solar panels does your home or business need? The logic of finding the right size from your bill’s consumption, production estimates, losses and roof area.7 min readSolar powerMonocrystalline, polycrystalline and bifacial panels: the differenceWhat is the difference between monocrystalline, polycrystalline and bifacial solar panels? Efficiency, space, behavior in heat, and which installations bifacial panels suit.6 min readSolar powerSolar panel output in dust and heat: cleaning and maintenanceHow do Şanlıurfa’s dust and summer heat affect panel output? When and how should panels be cleaned, which mistakes cause damage, and what to check in annual maintenance?7 min readSolar powerWhat is an inverter, and how do you choose one?What does an inverter do in a solar system? String, micro and hybrid inverters, number of MPPTs, phase, protection rating, and choosing a mounting spot in the Şanlıurfa heat.7 min readSolar powerBatteries and storage in solar power: when do you need them?When does a solar system need a battery, and when is it unnecessary? Gel vs lithium batteries, sizing logic, battery life in heat and safe installation.7 min readSolar powerRooftop solar panels: how to assess direction, tilt and shadeIs your roof suitable for solar panels? How direction and tilt affect output, plus shade analysis, structural checks, wind load and waterproofing.7 min readSolar powerPermits and grid connection steps for a solar installationHow do the application, connection opinion, project approval, acceptance and meter steps work for a grid-connected solar system? Documents to prepare and points to watch.7 min readBarriers and gatesChoosing an automatic barrier: boom length, traffic volume and remote controlWhen buying an automatic barrier, how do you choose the boom length, daily traffic, motor type and control method? A decision guide for housing estate and business entrances.6 min readBarriers and gatesGarden gate motors: choosing for sliding and swing gatesIs your garden gate sliding or swing? What you need to know to choose the right gate motor based on gate weight, opening space, ground and how often it is used.6 min readBarriers and gatesWhat is a bollard, and where is it used?What is a bollard (automatic road blocker), what types are there, and where are they used? The differences between fixed, hydraulic and electromechanical models, and how to choose.6 min readBarriers and gatesPhotocells and safety on automatic gates: preventing accidentsHow do photocells, obstacle detection, warning lights and maintenance prevent accidents with automatic garden gates and barriers? A safety checklist for estate managers.6 min readAccess controlWhat is a card access system? Card, PIN, fingerprint, faceHow does a card access system work? The differences between card, PIN, fingerprint and face recognition, choosing a lock, software, and what to watch for under KVKK.7 min readAccess controlWhat is PDKS? How to choose a staff time and attendance systemHow does a PDKS (staff time and attendance system) work, which reading method should you choose, and how does it connect to payroll? A buying guide for businesses, with KVKK notes.7 min readAccess controlTypes of turnstiles: tripod, full-height and sliding gateWhat are the differences between tripod, full-height, sliding gate and swing turnstiles? A turnstile buying guide for school, factory, sports facility and office entrances.7 min readIndustryHousing estate entrance: how to install barriers, cameras and access control togetherHow do you install the barrier, plate recognition, cameras, pedestrian gate and video intercom at a housing estate entrance under one plan? A step-by-step guide for estate managers.7 min readBarriers and gatesParking entry and exit management with barriers and license plate recognitionHow do you set up barriers, plate recognition, subscriber and guest vehicle management, time calculation and payment in a parking lot? A system selection guide for parking managers.7 min readAccess controlAccess security for server rooms and archivesHow do you set up card access, two-factor access, cameras, door alarms and logging at server room and archive doors? A guide for IT managers.7 min readSound and PASchool bell and PA system: scheduled bells, music, emergency announcementsIs it possible to combine the bell, music and announcements in one system at a school? Scheduled bells, zone selection, emergency announcement priority and common installation mistakes.6 min readIndustryMosque sound systems: echo, speaker placement and the outdoor call to prayerWhy does sound echo in a mosque, where should speakers go, and how is the call to prayer from the minaret balanced? Sound system planning notes for mosque associations.6 min readSound and PAWhat is a voice evacuation and PA system, and where is it needed?How does a voice evacuation system differ from a regular PA system? Voice evacuation, the link to the fire alarm, backup power, and which buildings should consider one.6 min readSound and PASound systems for meeting and conference roomsWhy is sound hard to understand in meeting rooms and conference halls? Microphone types, speaker placement, video conferencing connection and what to watch during installation.6 min readCentral TVCentral satellite systems for apartment buildings: an end to dish clutterHow do you install a single central satellite system instead of a separate dish for each apartment? What to watch for with multiswitches, cabling, terrestrial broadcasts and the building management decision.6 min readCentral TVCentral TV and IPTV in hotels and dormitoriesHow is TV distributed to hotel and dormitory rooms? The differences between coaxial central TV and IPTV, welcome screens, network infrastructure and how to choose.6 min readServer roomHow to choose a UPS: how long will cameras and servers last during a power cut?How do you work out VA, watts, topology and battery runtime when choosing a UPS for a camera recorder and server? What determines how long the system lasts in a power cut.7 min readServer roomServer room cooling: protecting servers in a Şanlıurfa summerWhy isn't air conditioning enough in a server room, where does the hot air go, and what happens if the air conditioner fails? Ways to protect servers and recorders in a Şanlıurfa summer.6 min readVehicle trackingWhat is a vehicle tracking system, and what does it do for a fleet?How does a vehicle tracking system work, what information does it give, and what does it add to a fleet? Device types, reports, informing drivers, and what to watch for under KVKK.6 min readVehicle trackingControlling routes, idling and fuel with vehicle trackingHow do you monitor idling, speed, routes and after-hours use with vehicle tracking reports? Which data should you look at to keep fuel costs under control?6 min readRegulationsCameras and KVKK: information signs, retention and accessSecurity cameras process personal data. What goes on the information sign, how long are recordings kept, and who watches them? Practical KVKK notes for business owners.6 min readRegulationsMonitoring employees with cameras at work: what to keep in mindCan an employer install cameras at work, how should employees be informed, and which areas are off-limits? The limits of employee monitoring and the steps under KVKK.6 min readCompanyWhat to check in a public institution’s technical specification for a security systemA technical specification guide for institutions buying camera, alarm and access systems: defining the need, writing without steering to a brand, acceptance and training clauses.7 min readCompanyBuying security systems by direct procurement in schools and institutionsWhat should a school principal or institution manager watch for when buying cameras or alarms by direct procurement? Needs assessment, collecting quotes, acceptance and common mistakes.6 min readCompanyLow-voltage design in a new building: what to plan during constructionA building that does not plan conduit, box and cabinet locations during rough construction later fills up with cable trunking. Stage-by-stage low-voltage steps for contractors.6 min readCompanyWhat are low-voltage systems? All the low-voltage systems in a buildingLow-voltage is the name for signal-carrying systems such as cameras, fire alarms, data, intercoms and TV. How it differs from high-voltage power, and the low-voltage systems in a building.6 min readCompanyLow-voltage systems in housing projects: apartments, blocks and the perimeterIn housing projects, low-voltage systems are planned in three layers: inside the apartment, block common areas and the estate perimeter. Points for contractors to watch at each layer.6 min readCompanyWhy do certificates matter when choosing a security system company?What do ISO 9001, 14001 and 45001 cover, and what does an authorization certificate show? A guide for institution managers to reading and verifying a security system company’s certificates.6 min readCompany12 things to check when comparing security system quotesTwo camera quotes may look the same, but the differences in disks, cabling, labor and support can be large. 12 items to check when you put quotes side by side.7 min readCompanyAuthorized dealer, authorized service and importer warranty: the differenceIf the same camera sells at different prices in two places, the difference is usually the sales channel and the warranty. What do authorized dealer, authorized service and importer warranty mean?6 min readŞanlıurfaProtecting cameras and electronics in the Şanlıurfa heatWhy do cameras, recorders and modems fail in the summer heat? Practical tips suited to Şanlıurfa on sun, ventilation, enclosure choice and maintenance.6 min readŞanlıurfaChecklist for outdoor equipment after a dust stormWhat should you check on cameras, solar panels, barriers and cabinets after a dust storm? Cleaning you can do yourself, and when to call a technician.6 min readŞanlıurfaFarmland and equipment security on the Harran PlainField security for irrigation pumps, solar panels, cables and tractors. How do you set up cameras, alarms and panel protection on land without power or internet?7 min readŞanlıurfaHousing estate security in Karaköprü and new residential areasA barrier, plate recognition, card access and camera plan for housing estates in Karaköprü and new residential areas. In what order should an estate manager decide?7 min readŞanlıurfaSecurity and infrastructure needs of district and village schools in ŞanlıurfaCameras, alarms, fire detection, bell and PA, and internet infrastructure in district and village schools. With a limited budget, in what order should a principal proceed?7 min readŞanlıurfaBusiness security over the holiday: a checklist before you closeBefore closing your shop or business for the holiday, check your alarm, cameras, electricity and notification settings. A step-by-step checklist for shop owners.6 min readŞanlıurfaDo alarms and cameras keep working during a power cut?What happens to your alarm, cameras, recorder and modem when the power goes out? Prepare your security system for outages with backup batteries, a UPS and generator options.7 min readŞanlıurfaProtecting cameras and networks against lightning and power surgesHow do lightning and grid fluctuations burn out cameras, switches and recorders? A technical guide to grounding, surge protectors, data line protection and fiber.7 min readŞanlıurfaOutdoor cameras in winter and rain: fogging, spider webs, waterWhy do outdoor cameras get fogging, spider webs, raindrops and water in the cables in winter? Recognize the signs and keep the image clear with simple measures.6 min readŞanlıurfa10 questions to ask yourself before having a security system installedBefore having cameras or alarms installed, be clear about what you want to protect, who will watch the recordings, and maintenance. 10 questions to answer before getting a quote.7 min readSecurity cameraHow many cameras do you need? The logic for homes, shops and warehousesThe number of cameras you need is set by the points to protect, not by square meters. We explain step by step how to work out the camera count for homes, shops and warehouses.6 min readSecurity cameraWhat is DORI? Detection, recognition and identification distances for camerasDORI shows at what distance a camera detects a person and at what distance it identifies them. We explain how it relates to pixel density, lens and resolution.6 min readSecurity cameraHow fast should your internet be for remote camera viewing?When viewing cameras on your phone, upload speed matters, not download speed. We explain resolution, main stream, sub stream and H.265 in plain language.7 min readSecurity cameraCameras with smart analytics: person/vehicle detection, line crossing, intrusionCameras with smart analytics tell people from vehicles and alert you on line crossing and intrusion. When are they useful, why do they give false alerts, and how are they set up?7 min readIndustryConstruction site cameras: how to monitor a site before power and internet arriveOn a construction site, the camera system moves as the work progresses. We explain mobile poles, 4G, solar panels and placement against material theft.7 min readIndustryHow to plan cameras and alarms for a fuel stationAt a fuel station, cameras should see the pump islands, plates, the shop register and the tanker point. We explain night-shift and explosive atmosphere rules.7 min readIndustryCameras and access control in hospitals and clinics: what goes where?Where do cameras and card access go in hospitals, clinics and health centers, and where do they not? A guide covering the emergency room, pharmacy storage, archives and patient privacy.7 min readIndustrySecurity cameras for mosques: the courtyard, shoe racks and donation boxWhere do cameras go in a mosque, and where do they not? For mosque associations, we explain a camera and alarm plan for shoe racks, the donation box, the courtyard and closed hours at night.6 min readRegulationsWhat to do if someone asks for camera footage: customers, neighbors and insurersWhat should you do if a customer asks for their own footage, a neighbor for a recording of their car, or an insurer for damage video? A practical KVKK roadmap for businesses.7 min readIndustryAlarms and cameras for a shop in a mall: what happens after closing?Mall security does not protect the inside of your shop. We explain after-hours alarms, shutters and shop windows, the service corridor door, mall rules and the register camera.7 min readAlarmAlarm security grades: what does TS EN 50131 Grade 1-4 mean?TS EN 50131 classifies alarm systems from Grade 1 to 4. What the grades mean, which suits homes and businesses, and what to look for in a quote.7 min readAlarmShould your alarm connect to a monitoring center, or are phone notifications enough?Who gets the news when the alarm goes off? We compare phone notifications with a monitoring center connection and explain which suits which situation.7 min readIndustryCard room locks, cameras and staff access in hotels and guesthousesHow do you choose card room locks for a hotel? Offline and online locks, energy-saving key card holders, floor cards, elevator control and camera placement.7 min readIndustryCard access and turnstiles at school: how to plan student entryHow should turnstiles and student cards be planned at a school? Rush at bell times, number of turnstiles, parent notifications, visitor registration and emergency evacuation.7 min readIndustryStaff entry and exit in factories: turnstiles, time & attendance (PDKS) and shiftsHow do you plan for queues at shift change, subcontractor cards, reader choice in dusty areas and a list of who is still inside during an emergency in a factory?7 min readBarriers and gatesAutomatic glass doors with photocells: choosing one for a store, clinic or office entranceSliding or swing for an automatic glass door? Leaf weight, sensor type, opening during power cuts, dust, and use with card access.7 min readBarriers and gatesHow should the barrier open? Remote, card, plate recognition, phone, tagShould the estate barrier open by remote, card or plate recognition? We compared the methods for access logs, lost remotes and guest entry.7 min readVehicle trackingTemperature monitoring in cold chain vehicles: cargo sensors and alertsHow is the cargo temperature of a refrigerated vehicle monitored on the road? Sensor placement, door-opening logs, threshold alerts, temperature reports and use with vehicle tracking.7 min readVehicle trackingTracking construction machinery, tractors and generators: location and operating hoursWhat does a tracking device show on an excavator, tractor or generator? Location, operating hours, out-of-zone alerts, maintenance reminders and use against theft.7 min readSmart homeChoosing a smart door lock: keypad, fingerprint and appWhen buying a smart door lock, how should you weigh fit with a steel door, what happens when the battery dies, fingerprint and code security, and guest codes?7 min readSolar powerGrid-connected solar on an irrigation subscription: how does net metering work?Can a grid-connected solar system be installed for a well with an irrigation subscription? Net metering, winter output, capacity and pre-application checks in one article.6 min readIndustrySolar PV on factory and business rooftops: self-consumption and preliminary checksWhat should you check before installing a solar plant on a factory roof? A checklist for self-consumption, load profile, roof structure, transformer capacity and fire safety.7 min readMaintenanceYour solar system’s output dropped: what to check on the monitoring screenAre your solar panels producing less than before? How to find the cause by reading string current, inverter error codes, voltage and seasonal differences in the monitoring app.6 min readSolar power10 points to check when comparing solar power quotesHow do you choose between two solar power quotes? 10 checks for panel and inverter models, production estimate, mounting structure, cabling, protection and the permit process.7 min readIndustrySolar power for barns, poultry houses and greenhouses: load calculation and system choiceCan a cattle barn, poultry house or greenhouse run on solar? Choosing grid-connected, battery or hybrid systems for milking, milk cooling, fans, lighting and pump loads.7 min readNetworkWhy shouldn’t an Ethernet cable go beyond 100 meters? Long-distance solutionsWhat happens when a Cat6 cable runs past 100 meters? Why the Ethernet distance limit exists, the 90+10 meter rule, and fiber, intermediate switch and PoE extender options for long runs.6 min readNetworkConnecting buildings: fiber or radio link?How do you connect the network between housing estate blocks, factory buildings or a school campus? How fiber optic and radio links differ in distance, line of sight and maintenance.6 min readNetworkHow many access points do you need? Wi-Fi coverage planningHow many Wi-Fi access points does a hotel, school, office or warehouse need? The logic of coverage calculation based on area, wall structure, number of users and channel plan.7 min readIndustryNetwork infrastructure in factories and warehouses: distance, dust and industrial switchesHow do you plan network infrastructure in factories and warehouses? A guide to fiber backbones, field cabinets, industrial switches, cable routes, Wi-Fi for handheld terminals and network separation.7 min readMaintenanceWhen should a UPS battery be replaced? Battery life, temperature and testingHow many years does a UPS battery last, and when should it be replaced? How temperature affects battery life, battery testing, swelling and warning signs, and what to watch when replacing batteries.6 min readServer roomHow do a generator and a UPS work together? Power and transfer settingsHow do you use a generator and a UPS together? A practical guide to sizing the generator for the UPS, the automatic transfer panel, frequency fluctuation and testing.6 min readServer roomElectrical infrastructure in a server room: dedicated line, panel and groundingHow do you plan server room electrics? A guide to a dedicated line and panel, UPS output distribution, PDUs, cabinet grounding, the equipotential busbar and earth resistance testing.6 min readServer roomChoosing a rack cabinet: U height, depth, wall-mounted or floor-standingHow do you choose a network or server cabinet? A guide to calculating U height, depth, width, wall-mounted vs floor-standing cabinets, ventilation, load capacity and locks.6 min readFireThe difference between fire detection and fire suppression systemsDoes a fire alarm put out a fire? The differences between detection systems, sprinklers, gas suppression and range hood suppression, and how these systems work together.6 min readFireHow is a fire alarm project prepared? From site survey to commissioningWhat steps does a fire alarm project go through? Plans, zoning, detector placement, cable and battery calculations, approval, installation, testing and handover documents.7 min readFireChoosing fire alarm cable: fire resistance and halogen-free cableWhich cable is used in a fire alarm system? Halogen-free vs fire-resistant cable, PH classes, shielding, cross-section and routing rules.6 min readFireWhen does a wireless fire alarm system make sense?Is a wireless fire alarm system reliable? Use in historic buildings, hotels, rented buildings and temporary sites, EN 54-25, battery life, signal and maintenance.6 min readSound and PAZone planning in PA systems: examples for factories, hotels and mallsHow is a PA system divided into zones? Zone planning, priority order, zone-based volume, separating music from emergency announcements, with examples for factories, hotels and malls.6 min readSound and PAWhat is a 100 V line system? How are PA speakers connected?What is a 100 V line in PA systems, and why is it used? Speaker transformers and power taps, amplifier power calculation, cable cross-section and the difference from 8 ohm speakers.6 min readMaintenanceNo picture in some apartments on central satellite: signal problemsWhy do some channels or apartments get no picture on central satellite? Find the cause by checking the LNB, multiswitch, cable, connectors, dish alignment and in-apartment wiring.6 min readŞanlıurfaHow to choose a security camera company in Şanlıurfa: 12 pointsHow do you check the address, certificates, references, Google reviews, written quote and after-sales support when choosing a camera company in Şanlıurfa? A 12-point list.6 min readŞanlıurfaQuestions to ask when choosing a solar power company in ŞanlıurfaA list of questions to ask when choosing a solar PV company in Şanlıurfa: who handles the application, panel and inverter datasheets, production estimate, monitoring and maintenance.7 min readSoutheastFire alarm installation in the Southeast: the process from project to handoverIn a fire alarm installation, who prepares the project, who approves it, when does the fire department get involved, and which documents are received at handover? We explain it step by step.6 min readFireWhat does the price of a fire alarm system depend on?The fire alarm price is determined by the area, the number of rooms, the system type, cabling and labor. We explain where the cost comes from in conventional, addressable and wireless systems.6 min readSecurity cameraWhat does security camera price depend on? 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