RADIO MASTER RP3 2.4ghz Nano Receiver User Manual

: August 31, 2024
: RADIO MASTER

Table of Contents

RP3 2.4ghz Nano Receiver
Specifications:
Product Usage Instructions:
Configuration:
Traditional Binding:
- FAQ:
Q: Where can I find more information about the RP3

RP3 2.4ghz Nano Receiver

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Specifications:

Dimensions: 22134mm
Weight: 4.6g (with antenna)
Chipset: ESP8285 SX1281
Frequency: 2400MHz-2483MHz
Power Input: 5V
Protocol Support: CRSF ExpressLRS v3.0

Product Usage Instructions:

Configuration:

To configure the RP3 Receiver, follow these steps:

Connect the RP3 to your computer using a USB VCP cable.
Set Configuration/MSP to 115200 in UART1 and UART2
settings.
In Betaflight Configurator, navigate to the Ports tab and
enable the corresponding UART as Serial RX (e.g., UART2).
Save the configuration and restart.

Traditional Binding:

To perform traditional binding with the RP3 Receiver, follow
these steps:

Power off your transmitter/radio.
Plug in and unplug your receiver three times.
Ensure the LED is quickly double blinking, indicating the
receiver is in bind mode.
Power on your transmitter/radio and use the [BIND] button on
the ExpressLRS Lua script to send a binding pulse.
If the receiver’s LED is solid, it means the binding was
successful.

FAQ:

Q: Where can I find more information about the RP3

Receiver?

A: For more details about the RP3 Receiver, please visit the
ELRS website at https://www.expresslrs.org/2.0/.

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RP3 Receiver User Manual

55mm ESP8285
RP3

2.4
GHZ

TOP
u.Fl u.fl
V2.0

22mm e4 SiGe 2431 L 510F C

led bind

SX1281
R T 5V –

RX TX 5V gnd

BOTTOM 13mm

4.6
GRAMS
Including 2 Antenna

– 5V T R
2X 65mm

SPECIFICATIONS

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

22134mm 4.6g (w/antenna) ESP8285 SX1281 2400MHz-2483MHz 5V CRSF ExpressLRS v3.0

I NCLUD ES 1x RP3 ExpressLRS 2.4ghz Nano Receiver 2x 65mm UFL 2.4Ghz T-Antenna 1x User Manual 1x CRSF wire
DEFAULT FIRMWARE RadioMaster RP3 Diversity 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!