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LoRa RMM v3.0

Board

File:RMM 3D v3.0

Caption

caption text text text ...

Connectors

Plastic Box Wall Connectors

SMA

868MHz Antenna plugged at SMA. To avoid malfunctions, it is important to connect antenna before power RMM device up.

4 pin connector

1- 3V3
2- NC (not connected)
3- Rx (MPPT's Tx)
4- GND

PCB Connectors

ANT

uFL connector. SMA / uFL antenna pigtail is connected on ANT.

PRG

J2: Firmware programming connector. Also, it can be used for debugging.

To avoid power supply issues, it is suggested powering device only by COMM connector (J1).

COMM

J1: It is connected to 4 pin external connector.

GND: BLACK
RX:  RED    <- Be careful!
Tx:  WHITE  <-- Not Connected
3V3: YELLOW <- Be careful!

Modes

Firmware Programing

1- Pressing RST button
2- Pressing IO0 button
3- Releasing RST button
4- Releasing IO0 button 

Setting LoRa Keys

1- Pressing RST button
2- Pressing WEB button
3- Releasing RST button
4- Releasing WEB button 

Normal Mode

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