littleBits
littleBits makes an opensource library of electronic modules that snap together with tiny magnets for prototyping, learning, and fun.
What is littleBits? from littleBits on Vimeo.
Featured Product

Oriental Motor USA - Ideal for AGV/AMR Applications
The BLV Series R Type brushless DC motor (BLDC motor) speed control system offers the design of motor and driver significantly reduced in size and weight, yet high-power, and contributes to the battery driven automation. The BLV Series R Type is compatible with the two interfaces of Modbus (RTU) and CANopen communication.