IR-MQTT Bridge with NodeMCU_ESP8266

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D21Light emitting diode
Q110.1A Ic, 45V Vce, Small Signal NPN Transistor, TO-92BC547-ND
U21Photo Modules for PCM Remote Control Systems


IR-MQTT bridge

  • Assemble all parts according BOM
    • make R4 fit to your LED, it might be even 0Ohm
    • close JP1

Just use Tasmota and todo: further description