RLN Electro board is my very old project. I tried to create developer board, compatible with Arduino software stack. So this board contain A LOT of different Arduino shields and have next functionality * Arduino Mega 1280 (or you can solder 2560); * Ethernet shield * Text LCD 4x16 * Analog variable resistors; * Seven-segment 4-digit indicator; * Buttons; * Relays; * Current Sensor * RS232 interface * USB interface Two versions with(2012SE) and without(2012FE) Ethetnet All project files can be founded in GitHub repository PS: Published the project just not to lost it