Upgrade your ELRS firmware with ease using our simple and effective tool. The new V2 version features a USB-C interface, enabling you to connect the tool to your PC via cable. The new power button allows effortless power cycling with a single press, eliminating the need to struggle with cables while holding down buttons. Our streamlined design makes preparing your receiver for a firmware update faster, easier, and more efficient than ever!
When it comes to updating your ELRS receivers, you’re faced with two options: Wi-Fi or Serial Port. While Wi-Fi upgrading may seem convenient, it can be unreliable due to network instability. This can result in a bad flash, requiring recovery with a UART tool. That’s where the V2 ExpressLRS USB UART Flasher comes in, offering a reliable and easy solution for your firmware upgrade needs.
With the RadioMaster V2 ExpressLRS USB UART Flasher, your wireless connection won’t be a concern. This dongle is specifically designed for ELRS receiver serial port upgrades, providing a reliable and easy solution for flashing or recovering receivers with a bad flash.
Our USB flashing tool is a versatile solution, not limited to ELRS serial port upgrades. It comes with a range of connection options, allowing easy connection to our entire range of receivers. By switching between 3.3v and 5v, it can also be used for other devices requiring a UART interface. This versatility makes it a valuable addition to your toolkit, catering to all your firmware upgrade needs.
Features
Upgraded USB-C interface
Power button for easy ON/OFF power cycling
Reverse polarity protection
Over-voltage protection
Switchable power supply between 3.3V and 5V
Standard 2.54mm pins
RM-CRSF JST-GH port for simple plug-n-play connection with RadioMaster ER series receivers
Pin sockets included
Dupont cables for convenient testing
Compatible Receivers
Using 2.54mm pin output and spring-loaded pin adapter or Test hook adapters:
Please note: The second channel is repurposed as a serial TX, connected to the RX port of the serial port tool. The third channel is repurposed as RX, connected to the TX port of the serial port tool.
We are based in the UK, but ship to most worldwide destinations. Postage rates are calculated by the size/weight and shipment location. We process orders Monday to Friday and pride ourselves on our quick turnaround of orders - most UK orders will arrive the next day.
We are partnered with several delivery companies including Royal Mail, DHL, UPS and Parcel Force. If you have a special delivery requirement or would like to arrange a shop collection please contact us.
A confirmation email will be sent when your order has been dispatched. If you wish to change your order, please contact us promptly, as we won't be able to make amendments once the order has been shipped.
Order before 4PM for same day dispatch with Royal Mail, 2PM for next day delivery with DHL and 1PM for next day delivery with APC.
We offer FREE Shipping on UK orders over £99, weighing less than 1kg.
The courier options deliver Monday to Friday, Royal Mail delivers to residential addresses on Monday to Saturday.
For small low value orders our cheapest delivery service is Royal Mail First Class. For a guaranteed next day delivery we recommend Royal Mail Special Delivery or one of our courier delivery options.
International Postage
Order before 4PM for same day dispatch with Royal Mail.
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DHL Express offers NEXT DAY delivery to most European destinations and a very fast delivery for countries further afield, generally 2-3 days.
Orders shipped outside the EU may be subject to customs charges. These charges are additional to any delivery costs and will need to be paid by the recipient.
Verified owner Vinod Dabasia (verified owner) –
This gadget saved me time & updated all my ELRS. rx’s and binded at the same time!. A must have!