Summary

This case is for D3806 Buck-Boost converter with on-off switch. You can either power up the board with the added socket or by its original power socket.

BOM:
D3806 Module: http://ali.onl/100P
Push Button: http://ali.onl/100R
Power Socket: http://ali.onl/100S
4mm Banana Sockets: http://ali.onl/100U
Female to male Dupond Cables
Some M3 screws and nuts