Circuit Digest1d
How to build Blind Stick using Arduino Nano and Ultrasonic sensor
The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind ...
GitHub6d
atmel-sam
EX-CommandStation firmware from DCC-EX. Includes support for WiFi and a standalone WiThrottle server. A complete re-write of the original DCC++.