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Jean Redelinghuysleft a comment
In connection with the Free Gerbers mentioned above, they can be downloaded fro free from here: https://www.pcbway.com/project/s... Please note that you will have to sign up for a free, no strings attached account with PCBWay https://pcbway.com/g/3vr7AY This is an affiliate link, that will not cost you anything but will help me do more of these projects.
Breadboard Friendly MCP23017 Breakouta Breadboard Friendly MCP23017 Breakout
Jean Redelinghuysleft a comment
I would like to get some feedback on the actual useability of this product. As I designed it myself, and am using it myself, there is definitely a lot of "biasing" towards it being useful. It would therefore be very helpful to get input from real people. The Gerber files for the PCB are available on request ( free of charge ). I am able to send you a fully functional PCB, but as there are costs...
Breadboard Friendly MCP23017 Breakouta Breadboard Friendly MCP23017 Breakout
This is an easy-to-use, bread-boarding-friendly MCP23017 breakout board. It features selectable addressing jumpers, selectable I2C pull-up resistors and a small compact footprint.
Breadboard Friendly MCP23017 Breakouta Breadboard Friendly MCP23017 Breakout