Private
MCP23017Chip
2020-12-31
Node-Red MCP23017Chip
3
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7
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6
Github Stars
Node-Red node for the MCP23017
Each pin (16 in total) can be selected to be an input or output Inputs The interval is used to determine how frequently the chip is polled The bit number is 0 to 15 reflecting the pin Pull Up engages the low power pull up Invert engages the inver on the chip Debounce is a timer where the state must remain at the new level for the debounce time for a change to get to the output
Uses the config node mcp23017chip for all reading and writing on i2c
Requires i2c-bus
To Do
- Don't allow already selected bits to be selected again
- When a node is deleted - remove from ids (array in chip)
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Reviews
3
(1)
user_tR34lexl
2025-04-17
As a devoted user of the mcp23017chip, I can't recommend it enough. Willhey has crafted a stellar product that truly expands the GPIO capabilities of any microcontroller with ease. Its seamless integration and reliable performance make it a must-have for any serious maker or electronics enthusiast. Check out more details at the product link provided!