Kongduino

By setting bit 3 of RegModemConfig3 (0x26). See https://github.com/sandeepmistry/arduino-LoRa/blob/master/src/LoRa.cpp#L576-L587

Your best bet is probably the [RadioLib](https://github.com/jgromes/RadioLib), followed by RAKwireless [SX126x-Arduino](https://github.com/beegee-tokyo/SX126x-Arduino) (which might require some small changes), which works on nRF52840, ESP32 and RP2040.

These are center frequencies, and must match on all devices. Depending on the bandwidth and spreading factor you'll see (if you have an SDR have a look) how the transmission...

Hi. When I said > These are center frequencies, and must match on all devices. It means that: * both devices must be set at the same frequency, eg 915e6;...

```c if (!LoRa.begin(433700000)) { Serial.println("Starting LoRa failed!"); while (1); } ```

It's not really how LoRa works. There is frequency hoping, where a device "hops" from one frequency to the next, but that's unreliable – while you're on frequency X, another...

`LoRa.sleep();` and `LoRa.idle();` do not affect the ATMega328p at all. It is not sleeping. You should not put the LoRa chip to sleep anyway or you won't receive anything. You...

You said, in your original post: > I need to be able to wake up the chip ATMega328p And that's what I was answering... In order to wake up the...

Ah, nice. This gives me a much better understanding. However, I do believe that you are still measuring the total consumption – Vcc comes from the Arduino and thus it's...

CAD is actually an active procedure, and consumes quite a bit of power. There's [a good article about CAD](https://news.rakwireless.com/channel-activity-detection-ensuring-your-lora-r-packets-are-sent/), which explains what it does, and how. It's used to make...