(496) Enable Bluetooth Sensors for Home Automation: Bluetooth Proxy and Home Assistant

467 Radar Sensors from $3 to over $100: Which one is Best?

463 Why most Arduino Soil Moisture Sensors suck (incl. solution)

460 Seven Sensors tested: Measuring Current with Microcontrollers (Arduino, ESP32, ESP8266)

459 Radar Sensors and Summer Break

445 Can we trust our mains' power meters?

439 24GHz Radar Presence Detector that Works (LD2410)

#411 Ten Fluid Level (Water Level) Sensors and how to use them (Arduino, ESP32, ESP8266)

#406 Enocean: Energy Harvesting Switches and Sensors

#378 How to choose Radar Sensors (Tutorial). Incl. PIR and LIDAR

#369 Definitive Guide to Attaching Sensors to the Raspberry Pi (Tutorial)

#347 Measuring Mains Voltage, Current, and Power for Home Automation

#325 6 PIR Sensors tested: PIR sensors incl. some new from Panasonic and an ESP32 shield

#323 Connected Light Sensor with 2 4GHz LoRa: How is its range? (SX1280, Arduino, ESP32)

#322 12 Light Sensors Tested: Measuring Light with Microcontrollers (Arduino or ESP8266, ESP32)

#321 7 Sensors tested: Measuring Current with Microcontrollers (Arduino, ESP32, ESP8266)

#300 How to measure CO2 and VOC with Arduino. Which one is better?

#285 ESP32 Cameras: Comparison and Test (OV2640) and I2S MEMS microphone test

#269 Infrared Light: Raspberry IR Camera and cheap Spectrometer (i-Phos)

#267 1500 Meter Rangefinder Test and Tear-Down

#265 Pressure Monitoring incl. Fusion360 Tricks

#263 How to build an Animal RFID reader with Arduino, ESP8266, or ESP32

#254 Infrared Remote Protocol Translator (Arduino Nano)

#247 Do-it-Yourself Thermal Imaging Cameras (AMG8833, MLX90640, M5Stack, Arduino IDE) and Flir one

#236 Introduction into UHF RFID (How-to)

#235 RFID Hacking and Cloning with Magic Cards, Proxmark3 and Arduino (T5577)

#227 The ugly truth about LIDARs for obstacle avoidance (RPLIDAR A1, Arduino, ESP8266)

#223 RFID How-To: Not only for Arduino (only legal Stuff!)

#207 Why most Arduino Soil Moisture Sensors suck (incl. solution)

#203 Best LIDAR Sensors for Makers (Comparison and Test)

#198 Laser Speed Gun Project with Range Finder and ESP32 (Distance Meter)

#190 New Ultrasonic Sensors: Comparison and Test (US42V2, JSN-SR04T, and US-100)

#181 DIY Radar Speed Gun using cheap Radar Sensors (HB100, CDM324) for Arduino, ESP8266 and ESP32

#176 BLE Human Presence Detector using an ESP32 (Tutorial, Arduino IDE)

#171 Arduino Guide to Infrared (IR) Communication also for ESP32 and ESP8266

#163 Wi-Fi Sniffer as Sensor for Humans

#162 Build your own 50$ connected Geiger Counter (ESP32)

#161 Measuring weight using an ESP32, a strain gauge, and a HX711

#135 Radar Sensors / Switches: Comparison and Tests

#119 Time-of-flight LIDAR with VL53L0X ?

#111 Labrep: How I work behind the scenes: Sonoff SC Multisensor Hack

#99 Measuring Power, hacked Sonoff POW, MQTT, Adafruit.io and Home Automation

#97 PIR Sensors: Test and comparison. Is the bigger better?

#96 Assortments #2 SMD, Sensors, Connectors, Mechnical Parts

#84 Measuring small currents (incl. building of an amplifier and the µCurrent Gold)

#80 Making the Invisible Visible: Measuring Current

#50 Racing Car to Simulator Conversion Part 2: Reading Angles with Accelerometers

#42 Build your own I2C Sensor with three Ultrasonic Sensors for Arduino

#40 Ultrasonic Distance Sensors Arduino Tutorial and Comparison for HC-SR04, HY-SRF05, US-015

#22 Comparison of precision between Neo-M8N and Neo-6M Modules

#18 ADS1115 Analog-to-Digital Converter Tutorial

#16 Exact Measurement of Altitude with BME280 sensor

#10 Tutorial: Make the Arduino Analog Readings more precise

#9 Arduino Data Logger with Direct Input to Excel