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- 05 Oct 2018, 00:43
- Forum: uPyEasy: Software
- Topic: Use of MCP23017: No I2C devices found
- Replies: 1
- Views: 10335
Use of MCP23017: No I2C devices found
Hello, I am using a MCP23017 with my Nodemcu Board v2 and ESPEasy (Mega #1825). When I run an I2C scan, I get the message "No I2C devices found". But my MCP23017 works well when I upload this sketch from Arduino IDE and is right detected with the Arduino i2C scan: #include "Adafruit_M...