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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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4.6 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Great Little Scale
Model: K112BK
I think the size is perfect for my Turin Legato. Fits easily on the drip tray cover but able to get to touch keys easily. Like the touch features and glass top. It is thicker than advertised by a bit (0.78 in vs claimed 0.72).
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Reviewed in the United States on May 5, 2026
★★★★★ 5
great budget digital scale
Model: K112BK
Works well and battery has held up between charges. Measures my coffee beans every morning
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Reviewed in the United States on October 10, 2025
★★★★★ 5
Accurate
Model: K112BK
Love it. A wonderful addition to my coffee station
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Slightly Inaccurate but Works Well
Pros:
Works perfectly for what I need it for. I use an aeropress and it's super easy to weigh the coffee going in and then the water on top of that. Then start the timer for the brew time and you've got a beautiful cup of coffee! Very bright display, easy to read, and comes with a rubber pad which makes cleanup easy.
Cons:
Not super accurate, but it's fine for making coffee unless you want to be exact. Sometimes the tare doesn't hold perfectly. For example, put your coffee on the scale. Tare it. Take it off. Put it back on. It might read a tenth of a gram or so one way or the other. Never impacted my coffee routine...
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Reviewed in the United States on March 13, 2021
★★★★★ 5
Been working well for over a year
Had this for over a year now and no real issues. The only issue I can think of is that if something is a bit too close to the scale, the scale can fluctuate a bit by a gram or so. Just make sure nothing is touching it, especially anything electronic.
Beyond that, it's a no-nonsense scale that works great with actual tactile buttons. Its refresh rate can lag behind a tiny bit, but you get used to it by stopping your pours in anticipation. For example, I typically do 300mL pours in total, and I usually start slowing down/stopping at around 280g. Battery life is pretty good, but the battery life indicator doesn't do a good job of letting you know when you need to replace the batteries. So you may end up with it powering off mid-brew, but I've only had to replace the batteries once despite daily use over the past year or so. That being said, it's useful to also do stuff like the 4:6 method based on water level vs timer too.
I'd also say it may not be extremely accurate as sometimes it fluctuates by .1 grams, but it is accurate enough for practical purposes. For reference, .1g is simply ~1 coffee bean, and unless you're an espresso perfectionist, 1 coffee bean isn't going to make any real difference.
In summary:
+ Just the essentials if you only want the essentials
+ Tactile buttons
+ Display is pretty nice
+ Accurate enough for practical purposes
+ Battery life very good
+ Will work for at least a year, can't say any longer until I own it for longer
+ Great for the cost
= WIll not refresh weight as quickly as say an acacia scale which costs at least four times as much, easy to compensate for
- Battery life indicator isn't great, so it may power off mid-brew every half year or so
- Sensitive to adjacent electronic devices, 1 or 2 inches is enough distance
- Sensitive to adjacent objects, be mindful of anything that is touching the silicone, even if it's barely touching by a hair
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Reviewed in the United States on September 7, 2025