Radio/Flight Control
Solving Radio ELRS Version Mismatch: A Step-by-Step Guide
Are you facing difficulties with binding your ELRS radio and receiver? It could be due to a mismatch in the ELRS version. Don't worry! Our team has found a solution and has put together a detailed step-by-step guide to help you update your radio and ...
Loading CLI Defaults onto Your Betaflight Flight Controller/Drone: A Step-by-Step Guide
Important things to note when using CLI Dumps/Diff When using CLI dumps, there are several important things to keep in mind: Always make sure the version of Betaflight firmware on your board is the same version as that on the CLI Dump file. While you ...
How To Properly Setup And Configure A BetaFlight Quadcopter
In our experience many problems we encounter with customers stem from incorrect configuration/setup of Betalight. While Betaflight is an impressive flight control firmware, there are hundreds of parameters that you can tweak and play around with so ...
How to Unbrick an ExpressLRS (ERLS) Reciever (Solid LED on ELRS receiver)
If you have managed to brick your expressLRS receiver due to a failed firmware update do not worry, its a straightforward procedure to get this recovered. You can tell your RX has been bricked as it will have a solid LED The video below will go ...
ExpressLRS (ERLS) Troubleshooting Guide
This is a general troubleshooting guide on some common issued you may face when using ELRS equipment, but for the most up to date information please go to the official ExpressLRS Wiki General Troubleshooting¶ My ELRS RX and ELRS TX are bound, but FC ...
How do I test my new Flight Controller? (and why it's important)
Why you should test your FC before soldering So, you've just received a brand new, shiny, flight controller. Awesome! You're probably eager to get it installed and get up in the air, but hold your horses there - it's always best to test your ...
How to check MCU for shorts/continuity and Pinouts for Flight Controller MCU
If you've soldered your flight controller and you're worried you may have damaged the board, it's possible to check whether or not the processor (also known as the MCU) has been shorted. As part of a flight controller's manufacturing process, it ...
Flight Controller has a bad/faulty Gyro - How To Test in BetaFlight
If you suspect that your flight controller has a bad gyro (this is usually noticed could be due to bad flight performance) most of the time we find that it is not the gyro itself that has a fault. Most commonly the issue is caused by and not limited ...
R/C Receiver Troubleshooting Guide
This is a general guide to help direct you to check some of the common causes of issues customers have with their R/C receivers. Please check the information below and if you have checked the list below and still have an issue please contact us with ...
How to setup GPS Rescue Mode in Betaflight
GPS Rescue Mode is intended to bring your quad back autonomously in case of an emergency such as loss of video or radio link. The only purpose is to bring the quad back into range so you can retake control as soon as possible. It is not meant to be a ...
BetaFlight Resource Mapping Guide
As manufacturers are stuffing more and more features into flight controllers, we are increasingly seeing boards that have fewer pins available for accessories. The result is lost capabilities, such as: Not enough UART input/outputs Inability to fly ...
How to setup BetaFlight Soft Serial
What can we use Softserial for? Stuff that requires a UART connection but not timing critical, such as: SmartAudio, GPS SBUS ESC telemetry Smart Port With the limited number of UART’s on a flight controller (only 2 or 3 on F3/F4 boards), you can turn ...
How to tell if your flight controller MCU / CPU is dead, or has just been bricked
Always check before soldering Chances are you are looking at this page because you have an issue with your flight controller, hopefully you have already followed our suggestions on what to check before you solder your FC. As part of a flight ...
How to install/Flash Betaflight Firmware (GUI or DFU Mode)
This is a quick guide that will walk you through the process of flashing betaflight firmware onto your flight controller What is a "Firmware Target" or "HEX File" in this context? Betaflight firmware is made to run on many different boards. So, it is ...
How to check what Firmware is running on your Betaflight flight controller (firmware version and firmware target)
To check what firmware version and firmware target your board is using please follow the steps below: Connect your flight controller to your PC via USB Open up betaflight GUI and connect to your board Once connected, in the bottom right you will see ...
How to bind your betaflight SPI receiver via CLI (Frsky, Flysky)
Many tiny whoop flight controllers that have a built in SPI receiver. And given the small size it can be a real pain to press the bind button each time you need to bind your RX to it. However with betaflight you can bind your RX via the CLI using a ...
Popular Articles
Mobula6 (Crazybee F4 Lite) settings are wiped, or lost bind to radio
Problem: Mobula6 (Crazybee F4 Lite) flight controller settings have all been wiped, and the SPI receiver has lost bind. Sometimes if your battery gets over discharged (below 3.0V) and you still try to fly your quadcopter by running the motors it can ...
What Does Backorder Mean?
A backorder means that the item you want to order (or have ordered) that is temporarily out of stock. When we receive more stock of this item, we will then send the order out to you, usually within 2-3 weeks. We offer backorders on some products so ...
How do I test my new Flight Controller? (and why it's important)
Why you should test your FC before soldering So, you've just received a brand new, shiny, flight controller. Awesome! You're probably eager to get it installed and get up in the air, but hold your horses there - it's always best to test your ...
How to calibrate the Voltage on ToolKit Rc chargers
The toolkit RC chargers pack alot of features and functionality at great prices, but we have found that many of them are not properly calibrated out of the box. This results in your lipos being under-charged. This guide applies to all of the ...
Lipo Faulty - Dead Cell or Low Voltage
Problem: Brand new Lipo battery had a dead cell (overall voltage significantly lower than advertised) or once of the cells have a low voltage (more than 1-2 Volts) Warning: If you suspect your battery is faulty do not use or attempt to charge your ...
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Modified Your Drone? Here’s How It Affects Your Warranty
Warranty Basics When you purchase a product with a warranty inlcuded by the manufacuter, or retailer (like us), it's like a promise that the item, as sold, will work as expected for a certain period (usually 6 months or 1 year). But what happens when ...
Resolving Card Payment Processing Issues
Experiencing a failed payment attempt can be frustrating, particularly when you're certain your credit card is functioning correctly. At Unmanned Tech, we recognize the importance of a smooth payment process and are here to assist you in resolving ...
Changing Your Delivery Preferences (Safe Space / Neighbour delivery Opt-Out)
For convenience, many couriers will attempt to deliver to a neighbour if they are unable to deliver to your address for any reason. However, for some, this can cause problems. If for any reason you need to, you can change your delivery preferences ...
Happymodel Mobula6
Hi there! If you're here, you're likely having issues with your Mobula6 VTX. Below are a few pointers from a support thread of ours which helped to resolve this issue for a number of our customers in the past. Firstly, make sure that you're not set ...