This package includes a 830-hole breadboard, a keyestudio breadboard power module and breadboard jumper wire packed of 65. You can freely add other components on the breadboard to design your own circuit.
Keyestudio breadboard power module is compatible with 5V and 3.3V, suitable for MB102 breadboard. This module includes dual independent control, one can be powered by USB port to output the voltage constantly for DC 5V; Another one is to power with DC 6.5-12V, and output controlled by dial switch, respectively for DC5V and DC3.3V.