Rodent Operant Bucket: An Inexpensive Operant Chamber Based on the Arduino Microcontroller

 From the website: The Rodent Operant Bucket (ROBucket), designed by Dr. Alexxai Kravitz and Kavya Devarakonda of the Eating and Addiction Section, Diabetes Endocrinology and Obesity Branch...is an inexpensive and easily assembled open-source operant chamber, based on the Arduino microcontroller platform, that can be used to train mice to response for a reward. The apparatus contains two nose pokes, a drinking well, and a solenoid-controlled sucrose delivery system.