RadioMaster BR3 User Manual

900
MHZ
u.Fl
RX
SPECIFICATIONS
• Type:
• Size:
• Weight:
• MCU:
• RF Chip:
• Refresh rate:
• Input Voltage:
• Antenna Connector:
• Receiver protocol:
• Firmware (pre-installed):
INCLUDES
1x BR3 ELRS 900MHz Receiver
1x 75mm U.FL 900MHz T-Antenna
1x User Manual Card
4x Silicone wires
DEFAULT FIRMWARE
RadioMaster BR3 900 RX
For more information, please visit the ELRS website:
https://www.expresslrs.org/2.0/
TOP
LED u.Fl
SX1276
2334 bind
451784
1
TX 5V g
868MHz / 915MHz
24*14.2*3mm
5.5g (w/ 2x antennas)
ESP8285
SX1276
25Hz~200Hz
5V
U.FL
CRSF
ExpressLRS v3.0
BR3 Receiver User Manual
BOTTOM
14.2mm
XC2BZ
75mm
CONFIGURATION
Identifier Configuration/MSP
USB VCP 115200
UART1 115200
UART2 115200
Open Betaflight Configurator, go to Ports tab and enable the corresponding
UART as a Serial RX (e.g. UART2 as shown above). Save and Restart.
Receiver
Serial (via UART) Receiver Mode
•
The UART for the rec eiver must be s et to 'Serial Rx ' (in the Ports tab)
• Selec t the correc t data format from the drop-down, below:
CRSF
Serial Receiver Provider
On the Configuration tab, click on Serial-based receiver on the Receiver
panel, and select CRSF.
TRADITIONAL BINDING
Binding Phrase field must be uncommented in Device options on the RX.
1. Power OFF your transmitter/radio.
2. Plug in and unplug your receiver 3 times.
3. Make sure the LED is doing a quick double blink, which indicates
the receiver is in bind mode.
4. Power ON your transmitter/radio and use the [BIND] button
on the ExpressLRS Lua script, which sends out a binding pulse.
5. If the receiver has a solid light, it's bound!
1.3
GRAMS
5.5
GRAMS
Including
2x Antennas
2X
Serial RX