For most homeowners, learning how to paint a room is a quintessential part of maintaining or renovating a home. And, if you’re a beginning DIY’er on a journey of redesigning or updating your ...

The VCNL4040 is a simple IR presence and ambient light sensor. This sensor is excellent for detecting if something has appeared in front of the sensor. We often see this type of sensor on automatic ...

Connect the MQ-3 sensor and ESP32 following the provided hardware diagram. Update WiFi credentials, Sentilo server details, and sensor information in the code. Upload the code to the ESP32 using the ...