GEPRC TinyRadio ELRS Remote Controller User Manual
- June 5, 2024
- GEPRC
Table of Contents
- GEPRC TinyRadio ELRS Remote Controller
- Product Introduction
- Specifications
- Function Guide
- TinyRadio diagram
- Battery installation
- LED Status indication
- Power On/Off
- Binding
- Joystick Calibration
- Power switching
- Bluetooth joystick
- Product list
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
GEPRC TinyRadio ELRS Remote Controller
Product Introduction
TinyRadio ELRS Remote Controller is a new generation remote control system
developed based on the ExpressLRS open source project. ExpressLRS sets new
standartds for long-range connection, low latency and Maximum refresh rate of
500Hz.
TinyRadio adopts a simplified design to minimize the difficulty of use.
Ergonomic design, more comfortable to hold.Built-in ELRS module, available in
915/868MHz and 2.4GHz versions, adjustable power of up to 500mW with
replaceable antenna design, the remote control distance can reach more than
2KM under ideal conditions.Support upgrade remote control firmware through USB
interface, and can upgrade ELRS module firmware through WIFI,
supports wireless connection to computer
drone simulator via bluetooth. It supports two 18650 batteries for ultra-long
battery life. 8 low latency channels can meet most of the needs of beginners
and professionals.
（ Notes ：An antenna must be installed before Power On!）
Specifications
- Size：14713571mm(Not including antenna)
- Weight：223g
- Adapted Drone Type: Multirotor, Airplane
- Frequency band：915MHz FCC /868MHz EU /2.4GHz ISM
- Input voltage：6.6-8.4V
- Antenna interface：SMA
- Power：100/250/500mW
- Channel：8 channel
- Charging interface：USB-C
- Firmware upgrade：support
- Bluetooth joystick：support
Function Guide
- AUX1 Unlock Switch: Switch to control FPV Disarm and Arm.
- AUX2 Switch: The AUX channel can be set by the user.
- AUX3 Switch: The AUX channel can be set by the user.
- AUX4 Switch: The AUX channel can be set by the user.
- USB-C： Charge and upgrade firmware.
- Antenna interface： SMA.
- Power switch button： Turn the remote on/off.
- SETUP button ：Hold down to calibrate the Joystick
- BIND button： Long press to start binding.
TinyRadio diagram
Battery installation
Open the bottom battery cover and insert two 18650 batteries or a 2S
battery.(not included)
Notes:
- Ensure the polarity symbols on the batteries match the symbols inside the battery compartment.
- Do not mix new and old batteries.
- Do not mix different types of batteries.
LED Status indication
| LED Status | Meaning |
|---|---|
| Red light solid on | Working |
| Red light ashing quickly | Binding |
| Red light number：1-2-3 | Power：100-250-500mW |
| Red light flash slowly | Battery low |
| Red running Led quick flashing | WIFI mode |
| --- | --- |
| Red running Led slow flashing | Bluetooth joystick |
| Blue light solid on | On charging |
| Blue light flash slowly | Faulty battery,reinsert battery |
| Blue light went out | Charge complete |
Power On/Off
Long press the power button of the remote control for 2 seconds in the off
state, and release the power button after the remote control vibrates, while
the red LED lights up, the remote control is successfully powered on.
Long press the power button of the remote control for 2 seconds in the power
on state, when the LED light goes out, the remote control is turn off
successfully.
Binding
In the off state, long press the BIND button on the back of the remote control
to turn it on . When the indicator light turns flashing, the remote control
enters the binding status.
The binding status will last for 5 seconds, there will be no feedback when the
binding is successful, and it will automatically exit the
binding status after 5 seconds. Check whether the remote control is in binded
with the receiver. If not, please repeat the binding operation.
Joystick Calibration
With the joystick back in the center and the throttle lever in the lowest
position, long press the SETUP button on the back of the remote control for 4
seconds, and when the remote control vibrates and the
buzzer beeps sound, the calibration is complete.
Power switching
First long press the BIND button, then short press the SETUP button for 1 second, the 100/250/500mW power can be switched cyclically, and the current high performance Radio control link power can be observed through the indicator light.
WIFI mode
In the off state, long press the SETUP button to turn it on, and when the
indicator light turns into quickly flashing runing led, it will enter the WIFI
update mode.find the WIFI name named “ExpressLRS TX”, input the password
“expresslrs”, connect to the website: 10.0.0.1, then you can perform ELRS
high-frequency firmware update.
Bluetooth joystick
In the off state, long press the BIND and SETUP buttons at the same time to turn on the device.When the indicator light turns into a slowly flashing running led, it will enter the Bluetooth simulator mode, Search for a Bluetooth device called “ExpressLRS Joystick” and connect it to practice on a computer simulator.
Charging
Plug in the USB-C cable in the off state, it will be in the charging state
when the remote control indicator turns blue,and the indicator light will
automatically turn off after charging is completed. According to the system,
if the blue light blinks during charging, the battery is faulty, which means
you plug it in or replace it.
About ELRS
ExpressLRS project is being constantly updated – the contents of this manual
cannot be kept up-to-date in time. For more information, please visit the ELRS
Project official.
github page: https://github.com/ExpressLRS/ExpressLRS
Product list
1 x TinyRadio
1 x Instruction manual
Contact
Website: https://geprc.com/ 
References
- Professional FPV Product Provider - GEPRC
- GitHub - ExpressLRS/ExpressLRS: STM32/ESP32/ESP8285-based High-Performance Radio Link for RC applications