text: const Gpio = require('onoff').Gpio;
  
  let device = {};
  
  device.gpioWrite = (pin, set, callback) => {
      const led = new Gpio(pin, 'out');
      led.write(set, (err) => {
          if (err) throw err;
          console.log(`pin: ${pin}\tset: ${set}`);
      });
      return callback(null, true);
  }
  
  module.exports = device;