start jar with parameter "-b" to start bruteforcing the PIN connect IR-LED to Pin 11 connect IR-Receiver to Pin 10
wiring and further information: http://cdn.raspberry.tips/2017/11/schaltung-smart-meter-raspberry-pi.png https://raspberry.tips/raspberrypi-tutorials/smartmeter-stromzaehler-mit-dem-raspberry-pi-auslesen-und-aufzeichnen