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GY-63_MS5611/libraries/MCP23017/README.md
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MCP23017_RT

Arduino library for I2C MCP23017 16 channel port expander

Description

Short discription of the interface

  • MCP23017(address) constructor
  • begin()
  • begin(sda, scl) for ESP32

single pin interface

  • pinMode(pin, value) pin = 0..16 value = INPUT,OUTPUT
  • digitalWrite(pin, value) pin = 0..16 value = LOW(0) HIGH (!0)
  • digitalRead(pin) pin = 0..16

8 pins interface

  • pinMode8(port, value) port = 0, 1 value =
  • write8(port, value) port = 0, 1 value =
  • read8(port) port = 0, 1

Operation

See examples