How To Add Telemetry Sensor To Heltec Lora v3 Meshtastic Node With BMP280
Briefly

One thing to note here is that soldering will be needed only to solder headers to the Heltec and the BMP280 module.
In the module configuration section go to Telemetry (Sensor) and scroll down to the Sensor Options to toggle different switches based on preference.
Read at Adrelien Blog - Every Pulse Count
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