Zavedení
The SpeedyBee Nano 2.4G ExpressLRS (ELRS) Receiver is a compact and high-performance receiver designed for FPV (First Person View) freestyle and long-range drones. Utilizing the 2.4GHz frequency band and the efficient ELRS protocol, this receiver provides reliable communication between your radio transmitter and drone. Its small form factor and lightweight design make it ideal for integration into various DIY drone builds.
Specifikace
| Parametr | Hodnota |
|---|---|
| Model | SpeedyBee Nano 2.4 GHz RX |
| Jméno | Přijímač ExpressLRS |
| Frekvence | 2.4 GHz |
| Anténa | T-anténa (54*78mm, 0.6g) |
| Čip | SX1280+ESP8285 |
| Moc | 100 mW |
| Vstupní objemtage | 5V |
| Anténní konektor | IPEX1 |
| Hmotnost | 0.7 gram (without antenna) |
| Dimenze | 10.4 mm * 18.4 mm |
| Výchozí firmware | SpeedyBee Nano 2.4 GHz RX 3.3.1 |

Obsah balení
The SpeedyBee Nano 2.4G ExpressLRS ELRS Receiver package typically includes the following items:
- 1x SpeedyBee Nano 2.4G ExpressLRS ELRS Receiver
- 1x T-antenna
- 1x Set of Pin Headers
- 1x Wiring Harness (multi-colored wires for connection)

Instalace a elektroinstalace
Proper installation and wiring are crucial for the optimal performance of your receiver. Refer to the diagram below for pin identification and connection points.

Připojení kabeláže:
- 5V: Connect to a stable 5V power source on your flight controller or power distribution board.
- GND: Connect to a ground (negative) pin on your flight controller or power distribution board.
- TX (vysílač): Connect to an available RX (Receiver) UART pad on your flight controller.
- RX (přijímač): Connect to an available TX (Transmitter) UART pad on your flight controller.
Ensure all connections are secure and correctly oriented to prevent damage to the receiver or flight controller. The T-antenna should be mounted away from carbon fiber frames and other electronics for best signal reception.
Operace
Postup vazby:
- Zapněte přijímač.
- Quickly cut off and re-apply power to the receiver three times.
- The receiver's LED indicator will start double red blinking, indicating it is in binding mode.
- Initiate the binding process on your ExpressLRS transmitter module. Refer to your transmitter's manual for specific instructions.
- Once successfully bound, the receiver's LED will turn solid red.
Wi-Fi Mode for Firmware Updates:
The receiver supports firmware updates via Wi-Fi. To activate Wi-Fi mode:
- Power on the receiver and wait for 60 seconds, OR
- Long press the button on the receiver for 3 seconds.
When Wi-Fi is turned on, the LED indicator will show fast red flashing. You can then connect to the receiver's Wi-Fi network from a computer or mobile device to perform firmware updates using the ExpressLRS configurator.
Světelné indikátory
The LED indicator on the SpeedyBee Nano 2.4G ELRS Receiver provides visual feedback on its current status:
| Stav LED | Význam |
|---|---|
| Dvojité červené blikání | Binding mode active. |
| Pomalé červené blikání | Powered on but unlinked; no packages received from the transmitter. |
| Plně červená | Receiver is connected and receiving a signal from the transmitter. |
| Rychlé červené blikání | Wi-Fi is turned on, and the receiver is ready for Wi-Fi updates. |
Odstraňování problémů
- Receiver not binding: Ensure your transmitter module is also in binding mode and broadcasting on the correct ExpressLRS frequency. Check that the receiver is powered correctly (5V). Try re-entering binding mode on the receiver by cycling power three times.
- No signal (slow red blinking): Verify that your transmitter is powered on and transmitting. Check for proper wiring between the receiver and flight controller. Ensure the antenna is securely connected to the IPEX1 connector.
- Cannot connect to Wi-Fi for updates: Make sure the receiver is in fast red flashing mode (Wi-Fi enabled). Check your device's Wi-Fi settings to ensure you are connecting to the receiver's network.
- Občasná ztráta signálu: Check antenna placement; ensure it's not obstructed by carbon fiber or other conductive materials. Verify that the antenna is not damaged.
Tipy pro uživatele
- Před připojením napájení vždy dvakrát zkontrolujte zapojení, abyste předešli poškození.
- Mount the receiver and antenna securely to minimize vibration and potential disconnections during flight.
- Regularly check for and update to the latest ExpressLRS firmware for improved performance and new features.
- Perform range tests in a safe environment before flying to ensure reliable signal strength.
Údržba
The SpeedyBee Nano 2.4G ELRS Receiver is a robust electronic component, but proper care can extend its lifespan:
- Udržujte přijímač čistý a bez prachu, nečistot a vlhkosti.
- Nevystavujte přijímač extrémním teplotám nebo přímému slunečnímu záření po delší dobu.
- Inspect the antenna and its connector regularly for any signs of damage. A damaged antenna can severely impact signal range and reliability.
- Ensure the receiver is protected from physical impacts, especially during crashes.
Záruka a podpora
For warranty claims, technical support, or further assistance, please contact the retailer or manufacturer directly. Keep your proof of purchase for any warranty-related inquiries.





