RADIO MASTER RP1 2.4GHZ Nano Receiver Owner’s Manual

: August 31, 2024
: RADIO MASTER

Table of Contents

RP1 2.4GHZ Nano Receiver
Specifications:
Product Usage Instructions:
Firmware Upgrade:
Configuration:
Receiver Setup:
Traditional Binding:
- FAQ:
Q: Where can I find more information about the product?

RP1 2.4GHZ Nano Receiver

Specifications:

Dimensions: 13113mm

Weight: 2.2g (w/antenna), 2.2g (w/o antenna)

Chipset: ESP8285 SX1281

Frequency: 2400MHz-2483MHz

Power Input: 5V

Protocol: CRSF ExpressLRS v3.0

Product Usage Instructions:

Firmware Upgrade:

To upgrade firmware, use a metal object to short-circuit the GND
while powering on the device.

Configuration:

For configuration, set Identifier to USB VCP, Configuration/MSP
to 115200, and Serial RX to UART1 and UART2 at 115200 baud
rate.

Receiver Setup:

To set up the receiver, configure it as a Serial-based receiver
on the Receiver panel and select CRSF as the Serial Receiver
Provider.

Traditional Binding:

Power OFF your transmitter/radio.
Plug in and unplug your receiver 3 times.
Ensure the LED blinks quickly twice, indicating bind mode.
Power ON your transmitter/radio and press the [BIND] button on
the ExpressLRS Lua script.
If the receiver’s light is solid, it is successfully
bound.

FAQ:

Q: Where can I find more information about the product?

A: For more information, please visit the ELRS website at
expresslrs.org/2.0.

RP1 Receiver User Manual

2.4
GHZ

TOP

u.Fl

LED

RP1
V1.2

BOTTOM 11mm

2.2
GRAMS

13mm 1281
2340 45746 1.1
BO OT
ELRS
26.000 MHZ

YL520 AI 1e

55mm
ESP 8285
7$8*

RX TX 5V g
Firmware upgrade button Use a metal object to short-circuit
the GND while powering ON.

– 5V TX RX
65mm

SPECIFICATIONS

·Size: ·W eigh t: ·MCU: ·RF Chip: ·Frequency Band: ·Input Voltage: ·Receiver protocol: ·Firmware (pre-installed):

13113mm 2.2g (w/antenna) ESP8285 SX1281 2400MHz-2483MHz 5V CRSF ExpressLRS v3.0

I NCLUD ES 1x RP1 ELRS 2.4ghz Receiver 1x 65mm UFL 2.4Ghz T-Antenna 1x User Manual Card 4x Silicone wires
DEFAULT FIRMWARE RadioMaster RP1/2 2400 RX
For more information, please visit the ELRS website: https://www.expresslrs.org/2.0/

CONFIG UR AT ION

Identifier USB VCP

Configuration/MSP 115200

Serial RX

UART1 UART2

115200 115200

Open BetaflightConfigurator, go toPorts tab and enable the corresponding UART as a Serial RX (e.g. UART2 as shown above).Save and Resta. rt

Receiver
Serial (via UART)

Receiver Mode

· The UART for the receiver must be set to `Serial Rx’ (in the Ports tab) · Select the correct data format from the drop-down, below:

C R SF

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!