Matek ELRS 2.4GHz PWM Vario 6Ch Rx

A 6 channel PWM 2.4GHz ELRS receiver with variometer.

Specifications:

• ESP32-PICO-D4, SX1281, ExpressLRS Firmware
• PA/LNA: SE2431L
• RF Frequency: 2.4GHz ISM
• Telemetry power: 22.5dbm (180mW)
• Diversity: Antenna-switching, default ANT1
• Barometer SPL06-001 (Vario)
• Receiver output:  6x PWM CH
• VBAT voltage sense: 0~25.5V
• Antenna connector: IPEX MHF-1
   
• Power supply: 4-13V DC @ “V” Pad
• Power dissipation:  60mA~80mA@5V IN
• PCB size: 30mm x 18mm
• Weight: 4g w/ antenna

Firmwares:

• Receiver Target (all target options below will work): 
  • Generic ESP32 PWM Vario 2.4Ghz RX
  • RadioMaster ER6-GV
  • RadioMaster ER6-G
• Receiver has ExpressLRS 3.3.2 preloaded with binding phrase “123456”, the Receiver will never enter binding mode if using the traditional binding procedure.
• You need to reflash it with your binding phrase OR connect it to your PC/phone via WiFi and set your binding phrase in WebUI.

Tips:

• Full Resolution Switch Configuration Modes
• Powering receiver with Reverse Voltage will damage the regulator chip. DOUBLE CHECK the power wires connected to the receiver.
• Transmitter fw version should be EdgeTX 2.7.1/OpenTX 2.3.15 or newer.
• Flashing via Wifi:
  • Power on receiver. Receiver’s LED (Red) will blink slow at first, and after 30s, it should blink fast indicating it’s on Wifi Hotspot Mode.
  • Wifi SSID “ExpressLRS RX”,  Password “expresslrs”
  • More detailed steps here.
• Flashing via UART:
  • Disconnect ESC and servos from receiver first.
  • Wire the receiver into the USB-TTL adapter, with TX (PWM 2 pin) on receiver connected to the Rx on the USB-TTL, and RX (PWM 3 pin) on receiver connected to the Tx of the USB-TTL. Wire 5V and GND of the USB-TTL to “V” and GND of the Receiver.
  • Press the boot button while powering on the receiver, then release – the Red LED on receiver should now be solid on.
  • In configurator,  Select the target Generic ESP32 PWM Vario 2.4Ghz RX,  or RadioMaster ER6-GV  and  “UART” for Flashing Method,  set your bind phrase and Firmware Options, Check “erase before flash” and “Force FLash“.
  • Web-flasher here

Package:

• 1x ELRS-R24-P6V
• 1x IPEX MHF1 Antennas. 15cm
• Dupont 2.54 pins  (Board is shipped unsoldered)

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