Raspberry Pi zero WH是具有無線網路、藍牙功能，
This board fits over the GPIO pins of Raspberry Pi, and can connect upto 6 servos and/or I2C devices to your Raspberry Pi. This board provides power stabilization for Raspberry Pi, so that any power fluctuations won’t cause your Pi to reset. It also provides signal buffering so that you can connect higher voltage servos to the board.
SmartUPS connects in-line with your Raspberry Pi power cable. It uses rechargeable NiMH batteries, and has built in battery charger circuit.