2 layers79 × 31 mm

MBus to radio
Tobias0110/EVN_Kaifa_ESP_MQTT
Allows you to read the MBus data of a Kaifa smartmeter used by the EVN in Austria, decrypt the packages and send the values over MQTT.
67 parts2GPL-2.0
Boards in 2 GitHub repositories, designed in KiCad, that use the MMDT3904DW by TDD (SOT-363 Bipolar (BJT) ROHS). See how each wires it, with its parts, size, README and files; the MMDT3904DW’s symbol, footprint and pinout are on its own page.

Tobias0110/EVN_Kaifa_ESP_MQTT
Allows you to read the MBus data of a Kaifa smartmeter used by the EVN in Austria, decrypt the packages and send the values over MQTT.
