Raspberry Pi Zero is a cost-effective, small-to-medium-size board in the Raspberry Pi family, adapts BCM2835 processor with ARM11 single-core. The Raspberry Pi Zero Zero W has all the functionality of the original Pi Zero, but comes with added WiFi and Bluetooth connectivity. Zero WH adds a 40PIN pre-soldered GPIO header, making it more convenient for users to debug and use.

Key features include:

• Broadcom BCM2835, 1GHz ARM11 single-core
• 512MB LPDDR2 SDRAM
• 2.4GHz IEEE 802.11 b/g/n wireless LAN, Bluetooth 4.1, Bluetooth Low Energy (BLE)
• Onboard 1x Mirco USB 2.0 interface with OTG
• HAT-compatible 40-pin header
• TF card slot
• Mini HDMI output interface with HDMI (1.3 and 1.4) support, 640 × 350 to 1920 × 1200 resolution, PAL and NTSC support
• Composite video and reset headers
• CSI-2 camera connector