32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
![](http://www.robotshop.com/cdn/shop/products/32-channel-digital-expansion-hat-rasberry-pi-2_1200x1200.jpg?v=1699969694)
Description 32 Digital Inputs/Outputs Control via the Raspberry Pi I2C port Stack up to 4 IO Pi boards on a single Raspberry Pi Solder jumper selectable I2C addresses External 5V Input with isolation solder jumper Based on the MCP23017 from Microchip Technologies Inc The 32 Channel Digital Expansion HAT for Raspberry
![](http://eu.robotshop.com/cdn/shop/products/32-channel-digital-expansion-hat-rasberry-pi_bb599d0a-440f-48a0-9182-04ac2014cba0_1200x1200.jpg?v=1699969697)
32 Channel Digital Expansion HAT for Raspberry Pi - RobotShop
![](https://eu.robotshop.com/cdn/shop/products/sequent-microsystems-8-mosfets-8-layer-stackable-hat-raspberry-pi-v5-3_800x.jpg?v=1706726898)
Sequent Microsystems 8 MOSFETS 8-Layer Stackable HAT for Raspberry Pi - RobotShop
![](https://www.raspberrypi.com/app/uploads/2019/06/HERO-ALT.jpg)
Raspberry Pi 4 on sale now from $35 - Raspberry Pi
![](https://static.optimusdigital.ro/65911-home_default/rs485-can-hat-for-raspberry-pi.jpg)
Waveshare - Optimus Digital
![](https://eu.robotshop.com/cdn/shop/products/io-expansion-hat-raspberry-pi-zero-zero-w_800x.jpg?v=1695150951)
IO Expansion HAT for Raspberry Pi Zero/Zero W - RobotShop
![](https://m.media-amazon.com/images/I/61o5TXpFVbL.jpg)
Serial Expansion HAT for Raspberry pi Onboard SC16IS752 2 Channels(2-ch) UART 8 GPIOs I2C Interface Stackable to 16 Modules to 32-ch UART : Electronics
![](https://static.cytron.io/image/cache/catalog/Banner/International%20Banner/ROBO%20PICO%20(MOBILE%20BANNER)%20normal-500x300.jpg)
Simplifying Digital Making
![](http://eu.robotshop.com/cdn/shop/products/1-wire-pi-plus-hat_2_41e5e9b6-56f5-472e-a4bf-e56e417a54b7_1200x1200.jpg?v=1695176502)
1 Wire Pi Plus HAT - RobotShop
![](https://static.cytron.io/image/cache/catalog/products/V-ROBO-PICO/Robo%20Pico-268x268.png)
Simplifying Digital Making
![](https://image.dfrobot.com/image/data/DFR0566/1.jpg)
IO Expansion HAT for Raspberry Pi 5 / 4B / 3B+ - DFRobot