How to repair and improve a broken Das keyboard 4C ultimate
Learn how to connect the DHT22 sensor. Examples for ESP8266, Raspberry Pi and arduino nano
How to convert an old electronic body weight scale into a WIFI enabled scale using ESP8266 and the Arduino framework
Fixing a broken HP 54520A that is not booting up.
Learn how to control a LED from your mobile phone. Using an android app, bluetooth and an Arduino.
An introduction to the ESP8266 platform. Learn how to set up and program a simple blink-example
Using a real-time clock IC (8563P) with Arduino. Setting and reading time.
Designing and building a 4-channel logic converter
Nixie clock build based on multiplexing, bluetooth, temperature/humidity sensor and a real-time clock.
Learn the basics about the transistor and what you can use it for.