1. Multi-Control board - http://bit.ly/2sTJYxxUSB cable10 x 3-pin inching switchPencilRulerMale-to-female pin headerEraserUtility knifeMarker penDo...

2. Draw Out a Keytar

3. Follow the outline to cut the board to get the first keytar board with knife. Then follow the outline of the first to cut to get another board.N...

4. Split the keys with knife along the gaps and paint the gaps with the Marker pen.

5. Cut out the keyboard area of the second board, and cut some gaps for the switch, so we need to make sure the gap is the same the switch on the w...

6. Fix the pin header on the back of the Keytar board. Define keys to C, D, E, F, G, A, B, and C+ from left to right, and the keys on the neck to C...

7. Connect the pin corresponding to Multi-Control’s GND to the COM pins of the switches one by one.

8. Insert the Multi-Control to the Pin Header

9. Visit the wiki page of Multi-Control, you can see the related resources.Click Here to download the library of the code. Click Sketch -> Inclu...

10. The matching of Multi-Control to Switch is different from that in the code, thus we need to modify the pin’s definition.The first picture...