Trending News: How to Build a Bluetooth Low Energy Smart Lock Using ESP32How to Monitor Aquarium Water Quality Using Arduino: DS18B20 Temperature Sensors, Turbidity Monitoring, Automatic Heating and FeedingHow to Build a Vehicle Driver Alcohol Detection and Engine Locking System Using ArduinoHow to Build an Automated Green Environmental Monitoring System for GreenhousesHow to Build an Automated Chicken Coop Door Using Light Sensors and ArduinoHow to Make a Buffalo Milking Machine: Step-by-Step GuideHow to Make a Periodic Trends LED Board Using ArduinoHow to Make a Smart Periodic Table Model Using Arduino and ESP32How to Make an Automatic Livestock Watering SystemHow to Build a Smart Personal Safety Wearable DeviceHow to Build a Smart LPG Auto-Reorder SystemHow to Make a Smart Air Freshener Emission Monitoring SystemHow to Build a Smart Kitchen Tap That Saves Water AutomaticallyHow to Build an Automatic Water Tank Refill System That Prevents OverflowHow to Build a DIY Quadcopter Flight Controller with ESP32How to Make a Fire Fighting Robot with Flame Sensor and ArduinoHow to Build an Automatic Solar Tracker Panel Using Arduino and LDRsHow to Make an Ultrasonic Radar System with Arduino and ProcessingHow to Make a GPS Tracker for Vehicles at Home Using Arduino (Complete DIY Guide)How to Construct an Automated Black Soldier Fly Larvae Bioreactor with Active Ammonia ScrubbingHow to Design a Thermo-Electric Stove Charger Using Seebeck Generator Modules and Waste Cooking HeatHow to Construct a Low-Cost Zeer Pot Evaporative Cooler and Track Tomato Spoilage MetricsHow to Design a Digital Queue Management Hub for Matatu Terminals Using ESPNow Local CommunicationHow to Build a Solar Smart Livestock Watering System with Automatic Refilling, Water Level Monitoring, Animal Drinking Records, and Solar PowerHow to Make a Smart Agricultural Pest Detection and Repellent System Using Artificial Intelligence and Computer VisionHOW TO MAKE HYBRID AI-GSM SOLAR DESALINATION AND SMART WATER PURIFICATION PLANTHow to Make an Automated Electric Anti-Theft SystemHow to Build a Fingerprint Door Lock System Using ArduinoHow to Make a DIY Air Quality Monitor with Arduino + MQ135 Sensor (Science Fair Project)How to Build a Thermoelectric Generator (TEG) Science ProjectTop 5 Piezoelectric Projects for Engineering Students (With Circuit Diagrams)How Piezoelectric Materials Generate Electricity:Piezoelectric Asphalt Technology: Can Our Highways Generate ElectricityHow to Build an Automated Color-Based Sorting Machine with ArduinoHow Kenyan Learners Are Turning School Waste Into Alternative Green EnergyHow Kenyan Learners Are Designing Affordable Clay-Based Water Purification Filters.The Dawn of the “Fuel-Less” Workhorse—Solar-Powered Heavy Machinery and Industrial VehiclesTHERMOELECTRIC GENERATOR USING LANDFILL HEATENERGY-GENERATING SPEED BUMP (PIEZOELECTRIC SYSTEM)Dominic Mbeva’s Vision for KSEF: From Science Fair to National Innovation EcosystemSchools Representing Makueni County at the KSEF National Championship at Garissa Boys Senior SchoolKSEF 2026 – HIGHLY INNOVATIVE & ORIGINAL ENGINEERING PROJECTS (TOP 30)Best engineering projects of KSEF 2025 across key branches: Mechanical Engineering, Electrical and Electronics Engineering, Civil Engineering, Mechatronics Engineering, and Safety and Transport Engineering.Kenya Science and Engineering Fair (KSEF) Project Categories – 2026 (JSS & Senior School)Smart Organic Waste Segregation and Compost Quality AnalyzerEco-Friendly Waste Oil Stove for Sustainable HeatingAdsorption of Lead and Copper Ions from Wastewater Using Thermally Modified Eggshell Calcium OxideSmart Seed Viability TesterSMART GREENHOUSE USING CO₂ AND LIGHT OPTIMIZATIONPRODUCTION AND USE OF CACTUS LEATHER AS A SUSTAINABLE ALTERNATIVE TO ANIMAL LEATHERMagnetic Water Treatment System for Improved Germination of Capsicum (Pepper) SeedsBio-Electrochemical Wetland Battery (Plant-Microbial Power Cell)Thermo-Syphon Solar Water Heater With Phase-Change Material StoragePortable Micro-Biogas Digester Using Enzyme BoostersSMART BEEHIVE SYSTEM FOR ENHANCED BEE HEALTH MONITORING AND HONEY PRODUCTIONSimon Mutunga Awarded for ICT Innovation 2025 AFICTA Turning Physics Knowledge into a Smart Obstacle-Avoidance RobotEcoSmart Power JikoSMART-CONCRETE TECHNO HIVEMagnetohydrodynamic (MHD) Power Generator: Saltwater-Based Off-Grid ElectricitySmart Livestock Tracker with Health MonitoringBIODEGRADABLE PLASTIC 3D PRINTING FILAMENT MACHINEFOG HARVESTING SYSTEM FOR ARID AREASANTIBACTERIAL WOUND DRESSINGS FROM SILVER NANOPARTICLESDetection of Adulterants in Food Using Simple Tests.Evaluating the Aromatherapeutic Benefits of Dragon Plant (Dracaena) for Relaxation and Stress ReliefGenerating Hydrogen Gas from Water Using Sunlight & Catalysts – Exploring Water-Splitting for Clean EnergyBIODIESEL FROM AVOCADO SEEDS PROJECTUsing Nanotechnology to Remove Lead and Mercury from Drinking WaterPlastic Waste-to-3D Printing Filament MachineDIY PROJECT: ELECTROLYTIC WASTE DIGESTERDIY Project: Low-Cost HEPA Filtration Air PurifierDIY Project: Automated Solar-Powered Egg Incubator for Poultry FarmersDIY Thermoelectric Generator – Convert Heat into ElectricityEco-Friendly DIY Garden Hacks That Will Save You MoneyTurn an Old TV into a Smart Mirror – Easy DIY GuideSmart Home DIY: How to Automate Your Lights Without an Expensive SetupMaking Plastic Toys at Home Using DIY Injection MoldingDIY Beauty Product Project: Sugar Lip ScrubDeveloping Biodegradable Plastics from Natural Polymers: A Sustainable Approach to Reducing Plastic WasteBiogas Digester for Small-Scale Farmers: A Sustainable Energy SolutionPedal-Powered Maize ShellerHybrid Water and Solar Powered Electricity System: Sustainable Energy for the FutureCoconut Shell Activated CarbonBanana Peel Filtration System for Heavy Metal RemovalEggshells as a Natural Water Softening AgentSawdust Biosorption for Dye RemovalOrange Peel Biosorbent for Water PurificationAnti-Bacterial Properties of Cactus Gel and Moringa Seeds in Water PurificationTitle: Layered Bio-Filtration System for Water PurificationMoringa seeds and cactus mucilage for water purification .Warthog’s bi turbo Hidden Talents: Outsmarting the Predators#warthogsurvivalEgg Carton Decorative Flowers: A Creative DIY ProjectUpcycled CD Mosaic Coasters: A DIY Sustainable CraftHow to Transform a Plastic Bottle into a Decorative Vase: A DIY Upcycling ProjectAlgae in a Bottle: DIY Biofuel MakerAlgae-Powered Robot: Exploring Green Energy for RoboticsMastering Science Fairs: Judging, Presentation, and Teacher Roles in KSEFKenya Science and Engineering Fair 2025: Exploring the CategoriesKenya Science and Engineering Fair (KSEF) 2025
Fri. Oct 30th, 2026
Trending News: How to Build a Bluetooth Low Energy Smart Lock Using ESP32How to Monitor Aquarium Water Quality Using Arduino: DS18B20 Temperature Sensors, Turbidity Monitoring, Automatic Heating and FeedingHow to Build a Vehicle Driver Alcohol Detection and Engine Locking System Using ArduinoHow to Build an Automated Green Environmental Monitoring System for GreenhousesHow to Build an Automated Chicken Coop Door Using Light Sensors and ArduinoHow to Make a Buffalo Milking Machine: Step-by-Step GuideHow to Make a Periodic Trends LED Board Using ArduinoHow to Make a Smart Periodic Table Model Using Arduino and ESP32How to Make an Automatic Livestock Watering SystemHow to Build a Smart Personal Safety Wearable DeviceHow to Build a Smart LPG Auto-Reorder SystemHow to Make a Smart Air Freshener Emission Monitoring SystemHow to Build a Smart Kitchen Tap That Saves Water AutomaticallyHow to Build an Automatic Water Tank Refill System That Prevents OverflowHow to Build a DIY Quadcopter Flight Controller with ESP32How to Make a Fire Fighting Robot with Flame Sensor and ArduinoHow to Build an Automatic Solar Tracker Panel Using Arduino and LDRsHow to Make an Ultrasonic Radar System with Arduino and ProcessingHow to Make a GPS Tracker for Vehicles at Home Using Arduino (Complete DIY Guide)How to Construct an Automated Black Soldier Fly Larvae Bioreactor with Active Ammonia ScrubbingHow to Design a Thermo-Electric Stove Charger Using Seebeck Generator Modules and Waste Cooking HeatHow to Construct a Low-Cost Zeer Pot Evaporative Cooler and Track Tomato Spoilage MetricsHow to Design a Digital Queue Management Hub for Matatu Terminals Using ESPNow Local CommunicationHow to Build a Solar Smart Livestock Watering System with Automatic Refilling, Water Level Monitoring, Animal Drinking Records, and Solar PowerHow to Make a Smart Agricultural Pest Detection and Repellent System Using Artificial Intelligence and Computer VisionHOW TO MAKE HYBRID AI-GSM SOLAR DESALINATION AND SMART WATER PURIFICATION PLANTHow to Make an Automated Electric Anti-Theft SystemHow to Build a Fingerprint Door Lock System Using ArduinoHow to Make a DIY Air Quality Monitor with Arduino + MQ135 Sensor (Science Fair Project)How to Build a Thermoelectric Generator (TEG) Science ProjectTop 5 Piezoelectric Projects for Engineering Students (With Circuit Diagrams)How Piezoelectric Materials Generate Electricity:Piezoelectric Asphalt Technology: Can Our Highways Generate ElectricityHow to Build an Automated Color-Based Sorting Machine with ArduinoHow Kenyan Learners Are Turning School Waste Into Alternative Green EnergyHow Kenyan Learners Are Designing Affordable Clay-Based Water Purification Filters.The Dawn of the “Fuel-Less” Workhorse—Solar-Powered Heavy Machinery and Industrial VehiclesTHERMOELECTRIC GENERATOR USING LANDFILL HEATENERGY-GENERATING SPEED BUMP (PIEZOELECTRIC SYSTEM)Dominic Mbeva’s Vision for KSEF: From Science Fair to National Innovation EcosystemSchools Representing Makueni County at the KSEF National Championship at Garissa Boys Senior SchoolKSEF 2026 – HIGHLY INNOVATIVE & ORIGINAL ENGINEERING PROJECTS (TOP 30)Best engineering projects of KSEF 2025 across key branches: Mechanical Engineering, Electrical and Electronics Engineering, Civil Engineering, Mechatronics Engineering, and Safety and Transport Engineering.Kenya Science and Engineering Fair (KSEF) Project Categories – 2026 (JSS & Senior School)Smart Organic Waste Segregation and Compost Quality AnalyzerEco-Friendly Waste Oil Stove for Sustainable HeatingAdsorption of Lead and Copper Ions from Wastewater Using Thermally Modified Eggshell Calcium OxideSmart Seed Viability TesterSMART GREENHOUSE USING CO₂ AND LIGHT OPTIMIZATIONPRODUCTION AND USE OF CACTUS LEATHER AS A SUSTAINABLE ALTERNATIVE TO ANIMAL LEATHERMagnetic Water Treatment System for Improved Germination of Capsicum (Pepper) SeedsBio-Electrochemical Wetland Battery (Plant-Microbial Power Cell)Thermo-Syphon Solar Water Heater With Phase-Change Material StoragePortable Micro-Biogas Digester Using Enzyme BoostersSMART BEEHIVE SYSTEM FOR ENHANCED BEE HEALTH MONITORING AND HONEY PRODUCTIONSimon Mutunga Awarded for ICT Innovation 2025 AFICTA Turning Physics Knowledge into a Smart Obstacle-Avoidance RobotEcoSmart Power JikoSMART-CONCRETE TECHNO HIVEMagnetohydrodynamic (MHD) Power Generator: Saltwater-Based Off-Grid ElectricitySmart Livestock Tracker with Health MonitoringBIODEGRADABLE PLASTIC 3D PRINTING FILAMENT MACHINEFOG HARVESTING SYSTEM FOR ARID AREASANTIBACTERIAL WOUND DRESSINGS FROM SILVER NANOPARTICLESDetection of Adulterants in Food Using Simple Tests.Evaluating the Aromatherapeutic Benefits of Dragon Plant (Dracaena) for Relaxation and Stress ReliefGenerating Hydrogen Gas from Water Using Sunlight & Catalysts – Exploring Water-Splitting for Clean EnergyBIODIESEL FROM AVOCADO SEEDS PROJECTUsing Nanotechnology to Remove Lead and Mercury from Drinking WaterPlastic Waste-to-3D Printing Filament MachineDIY PROJECT: ELECTROLYTIC WASTE DIGESTERDIY Project: Low-Cost HEPA Filtration Air PurifierDIY Project: Automated Solar-Powered Egg Incubator for Poultry FarmersDIY Thermoelectric Generator – Convert Heat into ElectricityEco-Friendly DIY Garden Hacks That Will Save You MoneyTurn an Old TV into a Smart Mirror – Easy DIY GuideSmart Home DIY: How to Automate Your Lights Without an Expensive SetupMaking Plastic Toys at Home Using DIY Injection MoldingDIY Beauty Product Project: Sugar Lip ScrubDeveloping Biodegradable Plastics from Natural Polymers: A Sustainable Approach to Reducing Plastic WasteBiogas Digester for Small-Scale Farmers: A Sustainable Energy SolutionPedal-Powered Maize ShellerHybrid Water and Solar Powered Electricity System: Sustainable Energy for the FutureCoconut Shell Activated CarbonBanana Peel Filtration System for Heavy Metal RemovalEggshells as a Natural Water Softening AgentSawdust Biosorption for Dye RemovalOrange Peel Biosorbent for Water PurificationAnti-Bacterial Properties of Cactus Gel and Moringa Seeds in Water PurificationTitle: Layered Bio-Filtration System for Water PurificationMoringa seeds and cactus mucilage for water purification .Warthog’s bi turbo Hidden Talents: Outsmarting the Predators#warthogsurvivalEgg Carton Decorative Flowers: A Creative DIY ProjectUpcycled CD Mosaic Coasters: A DIY Sustainable CraftHow to Transform a Plastic Bottle into a Decorative Vase: A DIY Upcycling ProjectAlgae in a Bottle: DIY Biofuel MakerAlgae-Powered Robot: Exploring Green Energy for RoboticsMastering Science Fairs: Judging, Presentation, and Teacher Roles in KSEFKenya Science and Engineering Fair 2025: Exploring the CategoriesKenya Science and Engineering Fair (KSEF) 2025
Fri. Oct 30th, 2026
How to Build a Bluetooth Low Energy Smart Lock Using ESP32
How to Build a Bluetooth Low Energy Smart Lock Using ESP32

Learn how to build an ESP32 Bluetooth Low Energy smart lock with a motorized deadbolt, smartphone control, wiring diagrams, code, and safety tips. 1. Introduction A conventional door lock depends…

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