Add note about 4 pin rj11 connectors

daniel-jong / esp8266_p1meter

DSMR5 P1 meter to mqtt using esp8266

GNU General Public License v3.0

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Closed elisaado closed 3 months ago

elisaado commented 11 months ago

Was puzzling a bit when setting it up because I only had 4 pin connectors, thought I should document my research.