About FED3#
Feeding Experimentation Device version 3 (FED3) is an open-source battery-powered device for home-cage training of mice in operant tasks. FED3 was designed by the Kravitz Lab and OpenEphys. There are ~2000 FED3s being used by 50+ labs.
You can find more information about where to buy FED3s here.
Visit the official FED3 GitHub page for FED3 hardware source file and assembly instructions.
Visit the official FED3_Library GitHub page for instructions on how to install the the Arduino FED3 library and for API Reference