Am 19.12.2012 09:49, schrieb Jakob Hirsch:
It looks like the serial communication is flawed. Did you read the wiki entry? http://wiki.volkszaehler.org/hardware/channels/meters/power/edl-ehz/iskraemeco_mt171 It says the MT171's IR signal is quite low, so you should reduce R3 in the IR head.
No thats outdated, he got the new version which is considerably sensitive.
Regards Udo