puck js clock
function update() { | |
var now = new Date(); | |
var minutes = now.getMinutes(); | |
if (minutes < 10) | |
minutes = "0"+minutes; | |
var seconds = now.getSeconds(); | |
if (seconds < 10) | |
seconds = "0"+seconds; | |
var time = now.getHours()+":"+minutes+":"+seconds; | |
g.clear(); | |
g.drawString(time, 0, 0); | |
g.flip(); | |
} | |
I2C1.setup({ scl: D1, sda: D2 }); | |
var g = require("SSD1306").connect(I2C1, function () { | |
g.setFontVector(20); | |
update(); | |
setInterval(update, 1000); | |
}); |
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