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Description
PYRODRONE F4 RACE with VTX PIT mode - 30x30mmIt's finally here! The pyrodrone F4 board has been one of the very few boards with perfectly flat one side which lot of guys been utilizing as a "shelf" for their VTX and RX. It was time to reroute the pads and offer a direct clean solder option for the TBS UNIFY V3 VTX and the TBS Nano RX similar to the Whitenoise Synergy FC. The Pyro F4 RACE also has a built in socket which makes it plug & play with the Pyro32 F3 45A 4in1 ESC (The correct harness is
It's finally here!
The pyrodrone F4 board has been one of the very few boards with perfectly flat one side which lot of guys been utilizing as a "shelf" for their VTX and RX.
It was time to reroute the pads and offer a direct clean solder option for the TBS UNIFY V3 VTX and the TBS Nano RX similar to the Whitenoise Synergy FC.
The Pyro F4 RACE also has a built in socket which makes it plug & play with the Pyro32 F3 45A 4in1 ESC (The correct harness is ONLY included in the ESC package)
Please check below for tips and Betaflight Settings.
- MPU6000 Gyro STM32F405 CPU @ 168mhz, can be overclocked
- 2-6S direct battery input
- 3.3V 100ma, 5V 2A BEC
- 5V and Vbat Camera Power
- Built in configurable Betaflight OSD
- Flat bottom PCB for SUPER CLEAN builds
- 36x36 PCB with 30.5x30.5 mounting holes
- 6 UARTS.
- UART1 (INVERTER FOR SBUS),
- UART2 (FREE),
- UART3 (INVERTED TELEMETRY), use CLI command : Set tlm_halfduplex=off UART4 (Free),
- UART5 (Smart Audio)
- UART6 (Free)
- The Pyrodrone F4 RACE flight controller can power HV VBAT or 5V Video transmitters.
- BF Target: PYRODRONEF4
Please make sure to jump the correct selection for your VTX.
If you want to use the VTX PIT mode function please type the following in the CLI command line:
resource pinio 1 A15 (Hit Enter)
Set pinio_box = 39 (Hit Enter)
resource pinio 1 A15 (Hit Enter)
Set pinio_box = 39 (Hit Enter)
Save (Hit Enter)
Assign a switch to the VTX PIT option in Betaflight MODES tab.
If VTX PIT mode is NOT needed then just solder your VTX and fly! (no additional settings needed)
If you want to solder the TBS UNIFY 5V direct to the board which is where this FC REALLY shines then here are couple tips for you.
Using the TBS Direct mount feature means you have to flip the board upside down with the USB to the left side of the drone.
SO REMEMBER to change the board orientation in Betaflight configuration tab.
Assign a switch to the VTX PIT option in Betaflight MODES tab.
If VTX PIT mode is NOT needed then just solder your VTX and fly! (no additional settings needed)
If you want to solder the TBS UNIFY 5V direct to the board which is where this FC REALLY shines then here are couple tips for you.
Using the TBS Direct mount feature means you have to flip the board upside down with the USB to the left side of the drone.
SO REMEMBER to change the board orientation in Betaflight configuration tab.
Both the VTX and the board have "anchor" Pads on both sides of the VTX, but we do not recommend using all these anchor points for easier future maintanence in case you ever have to remove the VTX.
Here is what we recommend.
Use a very thin piece of the double sided tape that is provided in your TBS UNIFY V3 package and apply it on the VTX as shown in the below picture.
This will work as a place holder for you to line up and solder the 4 points.
When sticking the VTX to the board make sure the 4 points on the VTX (VID-AUD-GND-5V) line up with the 4 pads on the flight controller.
Once lined up solder the 4 points.
Once lined up solder the 4 points.
Now it's time to solder your receiver.
The board is labled for TBS NANO RX as the holes perfectly line up with the Nano RX, but you can really use any RX and just choose the correct type of receiver in the Betaflight configuration page.
Our preferred way of mounting the RX is with silicone wires rather than direct solder, Again for easier future maintenence purposes.
Please check the below picture:
For correct voltage reading change the Voltage scale value to 160
If you charge your batteries over 4.20 per cell AKA HV then remember to adjust the Maximum Cell Voltage to 4.4 otherwise the average cell voltage will read wrong on your OSD.
The board is labled for TBS NANO RX as the holes perfectly line up with the Nano RX, but you can really use any RX and just choose the correct type of receiver in the Betaflight configuration page.
Our preferred way of mounting the RX is with silicone wires rather than direct solder, Again for easier future maintenence purposes.
Please check the below picture:
For correct voltage reading change the Voltage scale value to 160
If you charge your batteries over 4.20 per cell AKA HV then remember to adjust the Maximum Cell Voltage to 4.4 otherwise the average cell voltage will read wrong on your OSD.
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Exchange/Return Notes
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4.9 ★★★★★
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Product Reviews
★★★★★ 5
Great paper
Size: 8.5"*11", Color: 150 sheets
Worked great took colors good. Will buy again.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Will purchase again
Size: 8.5"*11", Color: 150 sheets
Paper has a high quality fell takes ink well print quality is amazing did not have any issues with smudging can be use for many different projects
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Reviewed in the United States on June 5, 2026
★★★★★ 5
High Transfer, Bright Colors & No Ghosting
Size: 8.5"*14", Color: 150 sheets, Size: 8.5"*14", Color: 150 sheets
This HTVRONT sublimation paper 8.5x14 inch has been excellent for my sublimation projects. The 120gsm weight feels sturdy and feeds smoothly through my inkjet printer without jams or curling. It holds ink well, which helps produce clean, sharp prints before pressing.
The transfer results are impressive. Colors come out vibrant and true, with strong detail and no dull or faded areas. I’ve had very little ghosting, and designs transfer evenly onto shirts, mugs, and other sublimation blanks. The claimed high transfer rate really shows in the final results.
I also like the larger 8.5x14 size, which gives extra space for bigger designs or multiple smaller prints on one sheet. The paper releases well during pressing, leaving minimal residue and clean edges.
Pros:
✔ Bright, vibrant color transfer
✔ Minimal ghosting or smudging
✔ Smooth printer feeding
✔ Great for shirts, mugs, and hard blanks
✔ Good value for the sheet count
Cons:
– Must be used with sublimation ink
– Requires correct heat press settings for best results
Overall, this HTVRONT sublimation paper is a reliable choice for anyone doing sublimation printing who wants strong color transfer, crisp detail, and consistent results. Great for both beginners and small business use.
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Reviewed in the United States on January 25, 2026
★★★★★ 4
Thin but with extra step works great
Size: 8.5"*11", Color: 150 sheets
It sublimated great but it’s thinner than what I normally use so it take an extra step to not have over lapping but it’s cheaper and you get more so definitely worth the price
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Great product, quality colors and vibrant prints
Color: 1BK/1C/1Y/1M
Best Sublimation Ink I have found so far. Great size bottles for the price you pay. Lasts a long time and the colors print great and when you press the print the colors come out BEAUTIFUL and VIBRANT! Dries quickly after printing so no worries on smudging but even after sitting over a month on the paper still presses like you printed it that day!
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Reviewed in the United States on May 4, 2026
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