0.0.1 • Published 10 years ago
mcp23017 v0.0.1
MCP23017
node.js module to use MCP23017 16bit GPIO
Install
$ npm install mcp23017
Example
var MCP23017 = require('mcp23017');
var address = 0x20;
var mcp = new MCP23017(address, '/dev/i2c-1');
mcp.setGpioAPinValue(0,1); //set GPIO A Pin 0 to high
mcp.setGpioAPinValue(0,0); //set GPIO A Pin 0 to low
console.log(mcp.getGpioBPinValue(0)); //get GPIO B Pin 0 value
Notes
GPIO Port A is hardcoded as WRITE GPIO PORT B is hardcoded as READ
0.0.1
10 years ago