• BETAFPV ExpressLRS recovery dongle CP2102 USB-C to TTL adapter in clear case, angled view
  • Top view of ExpressLRS Recovery Dongle in transparent housing with TX RX 5V GND pin labels
  • ExpressLRS Recovery Dongle on digital scale showing 10.44 g weight
  • Wiring diagram: USB Type-C to TTL recovery dongle connected to ELRS receiver pads GND 5V RX TX
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BETAFPV ExpressLRS Recovery Dongle CP2102 USB Type-C to TTL Adapter for ELRS Firmware Recovery

BETAFPV ExpressLRS Recovery Dongle CP2102 USB Type-C to TTL Adapter for ELRS Firmware Recovery

BETAFPV

$21.19 USD
$21.19 USD
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Overview

The BetaFPV ExpressLRS Recovery Dongle is an FTDI USB to TTL module based on the CP2102 bridge controller for firmware upgrade and recovery of ESP32 & ESP8XX-based ELRS receivers and FPV goggles backpack. It is designed to help recover (unbrick) an ELRS receiver after a failed update (for example, missing bootloader) and also supports flashing via UART.

Key Features

  • Firmware recovery for ELRS devices after failed WiFi upgrade or passthrough.
  • Solder-free operation with spring probe pins for direct connection.
  • CP2102 USB-to-serial chipset.
  • Type-C USB connection to computer.
  • Enclosed case for improved durability and portability.
  • Computer OS support: XP, Windows 7/8 (32-bit, 64-bit), Windows 10/11 (32-bit, 64-bit), Linux, Mac.

Specifications

USB interface Type-C USB male connector
Operating voltage 5V
Logic voltage 5V
3.3V power supply output current 400mA
Pins output method 2 x 4P-2.54mm pin header
Serial baud rate Up to 921600bps
USB standard USB 1.1, USB 2.0
USB to serial chip CP2102
Dimensions 55mm x 23.5mm x 14.5mm

Pinout (Labelled)

  • Dongle header labels: TX, RX, 5V, GND
  • Probe converter board labels: GND, 5V, RX, TX, BOOT, EN, 3.3V, GND

What’s Included

  • 1 x ExpressLRS Recovery Dongle
  • 1 x 4-pin cable
  • 1 x Probe converter board

Note: Type-C USB cable is not included.

Applications

  • Recover (unbrick) ELRS receivers after a failed firmware update.
  • Flash compatible ELRS receivers and FPV goggles backpack via UART (ESP32 & ESP8XX-based).

Manuals

For compatibility questions or setup support, contact support@rcdrone.top.

Details

BETAFPV ExpressLRS recovery dongle CP2102 USB‑C to TTL adapter connected for ELRS firmware recovery

A compact CP2102 USB‑C to TTL tool for recovering (unbricking) ExpressLRS receivers after a failed firmware update.

ExpressLRS recovery dongle in clear case with labeled TX/RX/5V/GND header and size dimensions

Clear protective enclosure with clearly labeled TX/RX/5V/GND pins for quick, mistake-free wiring.

BETAFPV ExpressLRS recovery dongle on desk with USB‑C cable, status LED, and spring probe connection

Solder-free spring probe connection helps access ELRS pads for recovery and UART flashing without permanent mods.

Wiring example of recovery dongle header to receiver pads using spring probe board with GND, 5V, RX, TX labels

Straightforward pin mapping keeps TX/RX and power connections consistent between the dongle and the probe board.

Close-up of Type‑C connector and pinout labels including GND, 5V, RX, TX, BOOT, EN, 3.3V on probe board

Pinout labels make it easy to access BOOT/EN and 3.3V where supported for ESP-based ELRS recovery.

BETAFPV ExpressLRS recovery dongle in clear case alongside multiple ELRS receiver boards on blue background

Built for working with ESP32/ESP8XX-based ELRS receivers and compatible FPV goggles backpacks during firmware recovery.

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