RadioMaster BR1 User Manual

900
MHZ
u.Fl
RX
SPECIFICATIONS
•Type:
•Size:
•Weight:
•MCU:
•RF Chip:
•Refresh rate:
•Input Voltage:
•Antenna Connector:
•Receiver protocol:
•Telemetry Power:
• Firmware (pre-installed):
INCLUDES
1x BR1 ELRS 900MHz Receiver
1x 75mm U.FL 900MHz T/Y Antenna
1x User Manual Card
4x Silicone wires
DEFAULT FIRMWARE
RadioMaster BR1 900 RX
For more information, please visit the ELRS website:
https://www.expresslrs.org/2.0/
TOP
led
BR1_V1.0
RB
CV
SX1276
2334
451784
1
bind
TX 5V g
162mm
868MHz / 915MHz
18*13.8*3mm
0.9g (w/o antenna)
ESP8285
SX1276
25Hz ~200Hz
5V
U.FL
CRSF
max. 500mw
ExpressLRS v3.0
BR1 Receiver User Manual
BOTTOM
13.8mm
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!
0.9
GRAMS
Serial RX