If you have bought a Raspberry Pi 3 Model B, you will be familiar with the Cypress CYW43438 wireless chip. It provides 802.11 n wireless LAN and Bluetooth 4.0 connectivity. The new Raspberry Pi Zero W is equipped with this wireless chip as well. The following are the specifications of the new board:
- Dimensions: 65 mm × 30 mm × 5 mm
- SoC: Broadcom BCM 2835 chip
- ARM11 at 1 GHz, single-core CPU
- 512 ΜΒ RAM
- Storage: MicroSD card
- Video and Audio: 1080p HD video and stereo audio via mini HDMI connector
- Power: 5V supplied via micro-USB connector
- Wireless: 2.4GHz 802.11 n wireless LAN
- Bluetooth: Bluetooth classic 4.0 and Bluetooth Low Energy (BLE)
- Output: Micro-USB
- GPIO: 40-pin GPIO, unpopulated
In the following image, we can see the new Raspberry Pi Zero W equipped with the previously mentioned specifications:
Notice that all components are at the top of the board, so you can easily choose your case without any problems and keep it safe. As far as the antenna is concerned, it is formed by etching away copper on each layer of the PCB. It may not be visible, as it is in other similar boards, but it works great and offers quite a lot of functionalities:
Also, the product is limited to only one piece per buyer and costs $10. You can buy a full kit with a MicroSD card, a case, and some extra components for about $45, or choose the full kit with a camera that contains a small camera component for $55.
