Components and construction This project to build a simple Arduino-based DCC system is based on an Arduino, motor controller, and LCD/keypad shields, fig. 1. The schematic of the complete throttle is ...

A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project. Reversing ‘bridges’ have four switches (relay ...

It’s fair to say that building electronic gadgets is easier now than it ever has been in the past. With low-cost modular components, there’s often just a couple dozen lines of code and a few jumper ...