I have two of these in two identical S800 wings. They are reasonable quality I think - not great, not crap - just decent. I don't trust the 5v supply on this like I would a Matek FC, so I've added a small cheap external 5V UBEC for some of the devices. I also miss having an LED pin, and it would be great to have an SD card slot. But something has to go to get it below 30 USD. There are better options if you are willing to spend a bit more. But, if you aren't, this might do for you.

I have two of these in two identical S800 wings. They are reasonable quality I think - not great, not crap - just decent. I don't trust the 5v supply on this like I would a Matek FC, so I've added a small cheap external 5V UBEC for some of the devices. I also miss having an LED pin, and it would be great to have an SD card slot. But something has to go to get it below 30 USD. There are better options if you are willing to spend a bit more. But, if you aren't, this might do for you.

I have two of these in two identical S800 wings. They are reasonable quality I think - not great, not crap - just decent. I don't trust the 5v supply on this like I would a Matek FC, so I've added a small cheap external 5V UBEC for some of the devices. I also miss having an LED pin, and it would be great to have an SD card slot. But something has to go to get it below 30 USD. There are better options if you are willing to spend a bit more. But, if you aren't, this might do for you.

This board is a cheaper alternative to the Matek F405-WING flight controller. It does have one limitation - no SDA/SCL pads that would be required to connect an exteral magnetometer. It does have an onboard magnetometer but those are often unreliable given the proximity to components that generate EM fields as well as hatch magnets on the model. It only has three full UART RX/TX pads available. The other three UARTs are either TX-only or RX-only. I used this board in a flying wing where I needed three full UARTs for the TBS Crossfire RX, a DJI FPV system and a GPS module. It's too bad I wasn't able to connect the magnetometer on the GPS module because the SDL/SCL inputs were not broken out on the board.

This board is a cheaper alternative to the Matek F405-WING flight controller. It does have one limitation - no SDA/SCL pads that would be required to connect an exteral magnetometer. It does have an onboard magnetometer but those are often unreliable given the proximity to components that generate EM fields as well as hatch magnets on the model. It only has three full UART RX/TX pads available. The other three UARTs are either TX-only or RX-only. I used this board in a flying wing where I needed three full UARTs for the TBS Crossfire RX, a DJI FPV system and a GPS module. It's too bad I wasn't able to connect the magnetometer on the GPS module because the SDL/SCL inputs were not broken out on the board.

This board is a cheaper alternative to the Matek F405-WING flight controller. It does have one limitation - no SDA/SCL pads that would be required to connect an exteral magnetometer. It does have an onboard magnetometer but those are often unreliable given the proximity to components that generate EM fields as well as hatch magnets on the model. It only has three full UART RX/TX pads available. The other three UARTs are either TX-only or RX-only. I used this board in a flying wing where I needed three full UARTs for the TBS Crossfire RX, a DJI FPV system and a GPS module. It's too bad I wasn't able to connect the magnetometer on the GPS module because the SDL/SCL inputs were not broken out on the board.