GPIO 40pin Breakout Expansion Board - Wiki
![GPIO 40pin Breakout Expansion Board - Wiki](http://wiki.sunfounder.cc/images/c/c5/Gpi2.jpg)
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Raspberry Pi Arduino Expansion Board With Onboard RTC - Copperhill
![](https://www.waveshare.com/media/catalog/product/p/i/pico-to-hat-1.jpg)
GPIO Expander For Raspberry Pi Pico, 1x Raspberry Pi Standard
![](https://botland.store/img/art/inne/20381_4.jpg)
Raspberry Pi 400 Expansion + cable - SB Components SKU21307
![](https://wiki.52pi.com/images/thumb/d/db/Terminal4.jpg/500px-Terminal4.jpg)
EP-0141 - 52Pi Wiki
The expansion board draws out the IO ports of the Raspberry Pi one by one, and provides a 40-pin pin control silkscreen. The pin comparison silkscreen
![](https://m.media-amazon.com/images/I/71ILGaR+0WL._AC_UF350,350_QL80_.jpg)
Pzsmocn IO Expansion Board Compatible with Raspberry Pi 3, Pi 4 and Pi 400. with 40 Pin Contrast Silk Screen, BCM Encoding Information, WiringPi
![](https://cdn1.botland.store/91168/gpio-adapter-extension-for-raspberry-pi-400-waveshare-18994.jpg)
GPIO adapter - extension for Raspberry Pi 400 - Botland - Robotic Shop
![](https://upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Raspberry-Pi-2-Bare-FL.jpg/220px-Raspberry-Pi-2-Bare-FL.jpg)
Raspberry Pi - Wikipedia
![](https://m.media-amazon.com/images/I/71WQ0ydE23L._AC_UF350,350_QL80_.jpg)
Pzsmocn IO Expansion Board Compatible with Raspberry
![](https://botland.store/img/art/inne/20079_2.jpg)
Raspberry Pi 400 GPIO adapter - 2x 40-pin - Waveshare 20219
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Elecfreaks Wukong2040 Breakout Board For Raspberry Pi Pico
![](https://upload.wikimedia.org/wikipedia/commons/3/38/Arduino_Leonardo.jpg)
Comparison of single-board microcontrollers - Wikipedia
![](https://www.sunfounder.com/cdn/shop/products/as001_02_800x.jpg?v=1599208903)
GPIO Breakout Expansion Board for Raspberry Pi
![](https://m.media-amazon.com/images/I/71G0zDdocPL.jpg)
Quluxe 2 Set Rpi GPIO Breakout Expansion Board + Ribbon Cable + Assembled T Type GPIO Adapter FC40 40PIN Flat Ribbon Cable for Raspberry Pi B+ Kit
![](https://www.waveshare.com/w/A6Y79bcq/Kdy80nYY.php?f=CM4-IO-BASE-A-1.jpg&width=1200)
Waveshare Mini Base Board (A) Designed for Raspberry Pi Compute Module 4 Suitable for Evaluating The Raspberry Pi CM4 or Being Integrated Into End
![](https://www.waveshare.com/media/catalog/product/p/i/pi400-gpio-adapter-c-2.jpg)
Raspberry Pi 400 GPIO Header Adapter, Header Expansion, 2x 40PIN