cyrusbuilt / cymcp23016 Goto Github PK
View Code? Open in Web Editor NEWAn Arduino library for the Microchip MCP2016 I/O Expander IC. Based on the Adafruit library for the MCP23017.
License: BSD 3-Clause "New" or "Revised" License
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ESP8266 only works with 20000Hz
Hi,
thanks for your lib. It works well with ESP32 and now also with ESP8266. Needed to modify Wire.setClock(200000); to Wire.setClock(20000);
Maybe also a good hint is that SDA and SCL need a pull-up the VCC (3.3V) by 2.2K resistors
BR
jopsi
Typing error
please check line 40 in header file:
#define MC2301P6_PIN_GPIO0_7 7 // Port 0, Pin 7
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