SKU: 538465477

Happymodel ExpressLRS Nano 2.4GHz EP1 RX

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Description

Happymodel ExpressLRS Nano 2.4GHz EP1 RXThe Happymodel 2. 4GHz ELRS nano series receiver has an open source program based on ExpressLRS. Due to the low latency and high refresh rate RF module, they are very comfortable for FPV Racing and Long Range FPV. These are very suitable for Tiny whoops because of the ultra light and Nano size! The Series There are three in this series. The PP RX is designed by @Jye Smith from the ExpressLRS development team. Its main hardware architecture is

The Happymodel 2.4GHz ELRS nano series receiver has an open-source program based on ExpressLRS. Due to the low-latency and high-refresh-rate RF module, they are very comfortable for FPV Racing and Long Range FPV. These are very suitable for Tiny whoops because of the ultra-light and Nano size!

The Series

There are three in this series. The PP RX is designed by @Jye Smith from the ExpressLRS development team. Its main hardware architecture is STM32L432KBU6 MCU and SX1280 RF chip. It has a built-in ceramic antenna, which is super light and small in size.

The Update

On the basis of PP RX, Happymodel has developed the Nano 2.4GHz RX version of the ESP8285 named EP1 and EP2. The RF module of EP1/EP2 is the same as PP RX and uses ESP8285 MCU. You can upgrade firmware by WiFi! How simple!

Note: This is the EP1_RX Version.

VIDEO: HappyModel 2.4G ExpressLRS

Features

  • Designed by Jye Smith on the ExpressLRS development team.
  • TM32L432KBU6 MCU and SX1280 RF chip.
  • High-refresh-rate RF module
  • Ceramic Antenna

Specifications

EP1_RX

  • Frequency Range: 2400 MHz to 2500 MHz
  • Maximum receive refresh rate: 500Hz
  • Minimum receiver refresh rate: 25Hz
  • RF Chip: SX1280IMLTRT RF Module
  • Weight: 0.42gram(without antenna)
  • Antenna: Omnidirectional antenna
  • Dimension: 10mm*10mm*3mm
  • Firmware Target:aec8ad82
  • Firmware Upload: WiFi
  • Working voltage: 5v
  • Peak gain: 2.23dB
  • MCU: ESP8285
  • Type: ISM

Firmware

Note: Since the official version of ELRS firmware has not been released yet, currently our PP_RX, EP1/EP2 RX, and ES24TX pre-loaded firmware are all beta versions, and you can upgrade the official firmware when the official target is available.

More details
https://github.com/ExpressLRS/ExpressLRS

Binding procedure:

  1. Supply power to the PP/EP1/EP2 RX, wait until the LED on the RX is off, immediately turn off the power, and then repeat again the above steps. When the RX is powered on for the third time, the LED light will start to double-flash, which means that the RX enters the binding mode.
  2. Insert the ES24TX module or other DIY 2.4G ELRS TX to Radio transmitter, and choose External RF mode to CRSF protocol, then you can find the ELRS menu from the Radio systems(Need to copy the ELRS.LUA file to the SD-Card tools first), Enter into ELRS and press [Bind], the LED on the RX module will be getting solid if bind is successful.
  3. Receiver LED status meanings:
    • PP RX: LED solid means bind successful or Connection established; LED double-flash means in bind mode; LED flash slowly means no signal connection from the TX module
    • EP1/EP2 RX: LED solid means bind successful or Connection established; LED double-flash means in bind mode; LED flash slowly means no signal connection from the TX module; LED flash fast means in WIFI hotspot mode, you can connect the WIFI of the RX and upgrade the firmware of the RX via visit 10.0.0.1 from the web browser(password: expresslrs)

Includes

  • 1x Happymodel ExpressLRS Nano 2.4GHz EP1 RX
  • 1x 40mm Omnidirectional antenna
  • 1x 90mm Omnidirectional antenna

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 538465477

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Gina
Houston, US
★★★★★ 5
Nice decorative shelves
Color: White, Size: 15.7 Inches, Color: White, Size: 15.7 Inches
Love these shelves! Nice, sturdy and decorative!
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Reviewed in the United States on May 29, 2026
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EEMD
Pawtucket, US
★★★★★ 3
Quality Assurance Lacking
Color: White, Size: 15.7 Inches
The first set I ordered was great; super easy to install, no issues. The second set I ordered the holes on the bottom of the shelves did not match up with the holes on the bar that secures the shelves to the wall so it was impossible to attach the shelves correctly. I'm still trying to figure out a solution. TO SUMMARIZE: First set perfect; second set unusable
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Reviewed in the United States on May 2, 2026
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Mariah
Battle Creek, US
★★★★★ 5
Beautiful shelves!
Size: 48 Inch, Color: Natural, Size: 48 Inch, Color: Natural
Since new build homes typically don't come with towel rods this was what I envisioned instead. I purchased the hooks separately. The shelves are perfect! I ordered a 36in set as you see with the cream towels and a 48in set that you see with the green towels. They're not loose but not 100% sturdy. I recommend maybe gluing to the wall in addition to the rest and definitely screwing into a stud. They're easy enough to figure out without the instructions. But I will say they're supposed to be screwed in underneath to the rods but they did not come with an appropriate screw for that so I had to use some I already had on hand.
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Reviewed in the United States on May 20, 2025
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2089991211
Carnegie, US
★★★★★ 5
Nice
Size: 30 Inch, Color: Natural, Size: 30 Inch, Color: Natural
Easy to install..comes with small magnetic leveler which made things even easier! Really nice for the price. Only thing is other than sliding the wood onto the metal brace, there’s only 2 screws that screw wood onto brace so it makes for a slightly wobbly shelf on the brace… although I have 6 screws/anchors holding each brace into the wall so it’s technically quite solid…I’m a bit nervous to keep delicates on the shelves
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Reviewed in the United States on February 16, 2025
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Linda M
Whiting, US
★★★★★ 5
Great Shelves! Drywall Anchors are the Bomb!
These shelves are very plain as I hoped they would be so as to not take away from the items displayed. The blue is true to the images so I was impressed by that. Word of knowledge: if you do not hit any studs, don’t use the mollies that came with them; use plastic drywall anchors! They work amazingly well!
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Reviewed in the United States on May 27, 2026

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