I need help designing a circuit board, the requirements are :
Must be 20mmx50mm
Needs to have a on board charging circuit so I can add a wireless charger to charge the 3.7v Lipo.
Needs to be able to be Bluetooth.
Must be able to power a small servo and a 3.7v switched output to power another 3v device that can be switched open and closed via Bluetooth.
Needs to have a hall sensor to power on and off.