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HelloRadioSky HREP ExpressLRS ELRS 2.4GHz High Refresh Rate Open Source Receiver for FPV Racing Drone

4.9224

$9.99 / $12.19

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$5.99 / $12.19

Shipping to: United States | Express delivery: 7-12 business days | Standard delivery: 15-25 business days

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HelloRadioSky HREP ExpressLRS ELRS 2.4GHz High Refresh Rate Open Source Receiver for FPV Racing Drone

Description:
The HeIIoRadioSky HREP receiver is based on ExpressLRS, an open source RC link for RC applications. ExpressLRS is designed to achieve better link performance in terms of speed, latency, and range. This makes ExpressLRS one of the faster RC links available while still providing long-range performance.

Specifications:
Brand: HelloradioSky

Model: HREP

Weight: 0.7g (without antenna)

Dimensions: 11*19*3mm
Telemetry power: 20dbm
Frequency band (2.4G version): 2.4GHz ISM
Input voltage: 5V
Antenna connector: IPEX MHF
Antenna type: 18cm high-sensitivity dual antenna
Wireless protocol: Pre-installed ExpressLRS 3 3.0
Maximum receive refresh rate: 500Hz
Minimum receive refresh rate: 25Hz
Backhaul power: 100mw
Working protocol: CRSF

Package included:
1x HelloRadioSky HREP ELRS 2.4G Receiver

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HelloRadioSky HREP ExpressLRS ELRS 2.4GHz High Refresh Rate Open Source Receiver for FPV Racing Drone

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BG382142452 VIP4
DE

07/03/2025

It took me a while to understand, that the pin order of RX and TX is different from all my other receivers. Eventually i got them working. The soldering quality is ok considering the price.

It took me a while to understand, that the pin order of RX and TX is different from all my other receivers. Eventually i got them working. The soldering quality is ok considering the price.

It took me a while to understand, that the pin order of RX and TX is different from all my other receivers. Eventually i got them working. The soldering quality is ok considering the price.

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Q:
There is no output signal, what can I do?_It is bound to the radio (latest ELRS firmware)_It is connected to the radio_Telemetry data from flight contoller are properly transmitted to the radio_Protocol is CRSF_Output mode is serial_But the TX ouput is contanly at 2.0V_Any ideas?

There is no output signal, what can I do? It is bound to the radio (latest ELRS firmware) It is connected to the radio Telemetry data from flight contoller are properly transmitted to the radio Protocol is CRSF Output mode is serial But the TX ouput is contanly at 2.0V Any ideas?
There is no output signal, what can I do?_It is bound to the radio (latest ELRS firmware)_It is connected to the radio_Telemetry data from flight contoller are properly transmitted to the radio_Protocol is CRSF_Output mode is serial_But the TX ouput is contanly at 2.0V_Any ideas?

A:

could you send us a video to show the problem?

could you send us a video to show the problem?

Answered by The seller on 05/03/2025Helpful (0)
0

Q:
Ok, I found the problem. The pinout of this receiver is different from normal. RX and TX are swapped. It is a real pain, when soldered to a board via pinheaders.

Ok, I found the problem. The pinout of this receiver is different from normal. RX and TX are spwapped. It is a real pain, when soldered to a board via pinheaders.
Ok, I found the problem. The pinout of this receiver is different from normal. RX and TX are swapped. It is a real pain, when soldered to a board via pinheaders.

A:

No answer yet.