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 ...

The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...

This library provides a client for doing simple publish/subscribe messaging with a server that supports MQTT. The library cannot currently be used with hardware based on the ENC28J60 chip – such as ...