The ESP8266 microcontroller is a favorite among makers for creating affordable, Wi-Fi-enabled sensor projects. Pairing it with a DHT22 temperature and humidity sensor is one of the easiest ways to get ...

Sensor plays very important role in robotics and plant automation. One of the important areas in Industrial applications is Interfacing their output to the firmware. It is very important to understand ...

Creating capacitive touch-sensitive buttons is easy these days; many microcontrollers have cap-sense hardware built-in. This will work for simple on/off control, but what if you want a linear, ...

A project to put sea level sensors across Chatham County has installed a dozen sensors so far and is getting ready to deploy 30 more with the help of local high school students. But its work is just ...

A simple AVR microcontroller based circuit that can detect when you touch a metal probe connected to one of the mcu inputs. A simple AVR microcontroller based circuit that can detect when you touch a ...

Build a drone detector, pool thermometer, and pantry tracker with your Raspberry Pi this weekend ...

Companies and NGOs spend millions of dollars outfitting people in the developing world with technologies to improve their lives. But do those water filters or new toilets actually make a difference?