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 ...

With just a few components, you can provide a translated signal from industrial and PLD sensors that connects safely to a microcontroller, with the added bonus of supplying 7.5 mA of regulated power.

The ESP8266 and ESP32 microcontrollers have become essential components for IoT enthusiasts, offering built-in Wi-Fi, Bluetooth capabilities and a wide range of applications. In this deep dive, IoT ...

Temperature-indicator and temperature-based products have generated wide interest. There are numerous applications for such devices with many possible solutions, each with its own advantages and ...

Here is a very simple and easy robot named Line following robot. The line follower robot is a basic robot that follows a specific path indicated by a line having some particular width. This circuit ...

Jeff's been involved in the IT industry since before the Internet and spent more than 20 years working in technical support, system administration, network administration, and consulting roles. He ...

Learn how to build a discreet smart home temperature and humidity sensor hidden inside an IKEA photo frame with a 7-year battery life.