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![]() The help I need is how to I go about monitoring 4 MCPs Interrupts/ BTW I Mcp23017s, 4 to control the antennae and 4 to monitor the switches.That means I To put hall-effect switches on each of the chess square. Need to progress from this stage of the project. The proof of concept works well with the antennae matrix. ![]() ![]() Matrix of antennae (underneath a chess square) connected to only one RFID I have read your excellent work on MCP23017, the best yet on the web! I do need your expertise
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