How to build a blink code reader and use it with a Series 1 XM.

In this video, I'm making a blink code reader for series 1 XM. The blink code reader is such a useful device that I think everyone who owns a Series 1 XM should have one. Circuit diagrams: https://citroen.tramontana.co.hu/en/s... Ecutest excel: https://docs.google.com/spreadsheets/...