Get more IOs for your microcontroller with this small, cheap and hacker-friendly board!
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Let's bring your projects to life! If you want advice on a project of yours, use contact info in my store description. + check out my store, I have some cool items you might want to add to your order!
This is a MCP23017-based hacker-friendly GPIO expander board. I've designed it because I routinely don't have enough IOs in my ESP8266 and Raspberry Pi creations, and I've used my prototyping experie…
Read More…This is a MCP23017-based hacker-friendly GPIO expander board. I've designed it because I routinely don't have enough IOs in my ESP8266 and Raspberry Pi creations, and I've used my prototyping experience so that the board is convenient for everybody!
MCP23017 expanders are very popular, and there's even a Linux driver for MCP23017! For Arduino code, you might want to use Adafruit's MCP23017 library. For Raspberry Pi, you can use the Linux driver (enabled by a single config.txt line) . If you're using other programming language or need any other instructions, let me know, I'll write some example code for you and add it here.
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Our post is reliable + you will get a tracking number! Use EMS (priority mail with a courier, will need your phone number) if you're worried about postal services on your end, or need your package delivered quickly. I ship packages on business days - otherwise it will just collect dust in the postal office till Monday -, and I'll prepare your shipment as quickly as possible. If there's any problems with your order, I'll get in touch with you through the email you have listed on Tindie and let you know how soon I can prepare your package for shipping, as well as ask any additional questions I might have.
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