The ultra-small and ultra-slim Raspberry Pi Zero W is the smallest form factor Raspberry Pi on the market now incorporating WiFi and Bluetooth connectivity on board. It is 40% faster than the original Raspberry Pi but measures only 65mm long by 30mm wide and 5mm deep. The Raspberry Pi Zero W supports mini connectors to save on space and the 40 pin GPIO is unpopulated provding the flexibility to use only the connections your project requires.
Raspberry Pi Zero W Board Only | Raspberry Pi Zero W Basic Kit | Raspberry Pi Zero W Starter MAX Kit |