Content import ugfx, wifi, urandom, system from time import sleep wifi.connect() ugfx.clear(ugfx.WHITE) ugfx.string(10,10,"Waiting for wifi...","Roboto_Regular12", 0) ugfx.flush() wifi.wait() ugfx.clear(ugfx.WHITE) ugfx.string(10,10,"Connecting to MQTT...","Roboto_Regular12", 0) ugfx.flush() from umqtt.simple import MQTTClient # Received messages from subscriptions will be delivered to this callback def sub_cb(topic, msg): print((topic, msg)) links, rechts = msg.decode('utf-8').split(';') ugfx.clear(ugfx.WHITE) ugfx.flush() ugfx.string(50,10,links,"Roboto_BlackItalic24",ugfx.BLACK) ugfx.string(10,40,rechts,"PermanentMarker36",ugfx.BLACK) ugfx.string(40,90,"tickets.sha2017.org","Roboto_BlackItalic24",ugfx.BLACK) ugfx.flush() def main(server="test.mosquitto.org"): clientname = 'SHA2017Badge ' + str(urandom.getrandbits(30)) c = MQTTClient(clientname, server) c.set_callback(sub_cb) c.connect() c.subscribe(b"tickets.sha2017.org") print('mqtt set') c.check_msg() while True: c.check_msg() sleep(1) c.disconnect() def go_home(pushed): if(pushed): system.home() ugfx.input_attach(ugfx.BTN_B, go_home) main()