rexqualis electronics component fun kit w/power supply module, jumper wire, 830 tie-points breadboard, precision potentiometer,resistor compatible with arduino, raspberry pi, stm32 rexqualis this kit comes with more than 400pcs sensors and components, all components are carefully bagged, most of them bagged separately, with combined bags pretty logical.<br><br> the breadboard comes with a power supply, you can set one side for 5vdc, and the other for 3.3vdc. it has a push switch to turn the power on or off.<br><br> in addition, we also provide a male to male usb power cables, this is hard to find,but other sellers do not provide.<br><br> <b>note:this kit not including the controller board.</b>