roberttwomey

// Electric Imp code example - AC dimmer
 
// Define zero crossing period = 1 / Mains Freq / 2
// 60Hz = 0.008333, 50Hz = 0.01
const ZEROT = 0.008333;
 
local pinZerox = hardware.pin9;     // Pin to use as zero cross input
local pinTriac = hardware.pin2;     // Pin to use for triac control
local level = 0.5;                  // Dimmer level 0.0 = Off, 1.0 = Full bright
local tic=0;