RealPit - LED Strip Control with a UART

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Wanna control your LED Strips with a Switch on your transmitter?

Or disable a VTX or RX or any other desvice? You can use up to 4 RealPits to kill power to a device, controlled by a UART.  5v-28v, up to 1Amp


Click here to have Joshua Bardwell show you how to set these up



RealPit VTX Power Switch

Features / Uses:

  • Plug in your VTx at any time with 0 power start-up
    • FlightOne may have a split-second power up on boot up. Some VTXs may transmit during that time.
  • Turn off your VTx on the line to avoid heat buildup
  • Fast Team Race Pit stops (Sub second transitions possible)
  • Compatible with all major VTxs
  • Turn off VTx during races to test hover builds without interfering with other pilots in the air.
  • Turn off VTx after Crash for clean video for other racers. 
  • Solo Endurance Races, 3 quads ready on the line. Practice for more than 1 pack without taking off goggles. (Instructions on how to setup on OpenTX / Spektrum Coming soon)
  • LED Indicator light on board. (Light On \ Power On)
  • Can be used on any pad on Flight Controller. 
  • Does not need a full UART.  
    • I.E.: SmartAudio/Tramp on TX and RX for RealPit PinIO 
  • Up to 4 RealPits per quad. This opens the possibility for LEDs, and VTX, and any other device you can imagine. 
  • Toggle LED Power or any other devices under 1 amp draw.

Currently Supported Software:

      • Betaflight (PinIO 3.3.x or Greater) 
      • Butterflight (PinIO)
      • FlightOne 1.2.4 + (PINTOGGLE)
      • Flyduino KISS V2 FC
        -Firmware 1.3RC39a (Beta)
        -KISS GUI 2.0.15

Operating Voltage: 5V - 28V (HV-6s) 1Amp Switch

Dimensions: 10 x 12.5 x 2.5 mm

Weight:  0.5 Grams w/ Heatshrink

Demo Video ( Team EMAX Team Race)

team emax real pit race demo


      • 1x Realpit  
      • 1x 1/2" Heat shrink piece

      Betaflight Settings: 

      In CLI:

      Type RESOURCE

      Locate UART TX/RX pad resource ID you are using.  We wired to RX4 in this demo. RX4 is A01  Note the name of resource and ID. 

      Next we will clear that pad from its assigned resource.

      Next we will set the Custom Mode Switches. We will set up 1 switch Copy and past these Commands into CLI:
      set pinio_box = 40,41,42,43
      aux 2 40 2 1600 2100 0

      Next we need to assign the Resource ID to the Custom Mode switch. Using the Resource ID from above. "A01"

      resource PINIO 1 A01

      If you wish to set up more pads for additional RealPits. replace the area in brackets with your resource IDs: Copy these extra lines to add more modes as well.:
      set pinio_box = 40,41,42,43
      aux 3 41 3 1600 2100 0
      aux 4 42 4 1600 2100 0
      aux 5 43 5 1600 2100 0

      resource PINIO 2 [resource=I.E=A04]
      resource PINIO 3 [resource=I.E=A05]
      resource PINIO 4 [resource=I.E=A06]

      Type  SAVE  in CLI and then press enter. Your FC will reboot after applying changes. 

      Now go to Modes and Assign an AUX channel to the USER1  mode. Just like an arm or turtle mode switch. Click SAVE

      Now flip the switch and test. A RED LED will be lit on RealPit if your are providing power.


      FlightOne Settings: 

      1. At the current time you must use Firmware version 1.2.x or greater to enable "PINTOGGLE" commands. This is available on FlightOne Discord. and website at 
      2. Wire RealPit VTX + to VTX Positive pad and BATT+ to Battery Source (5v-28v)
      3. Wire VTC pad to TX4 pad on FlightOne FC. Solder the TX4 to NOR.  Then Wire GND pad to GND pad on FlightOne FC
      1. In Setup Tab:
        1. Setup PINTOGGLE switch. 
      2. Use Switch to Power VTX on and off. 

      Notes: FlightOne Does not support ZERO power on. VTX will blip for a micro second prior to turning back off.  

      KISS V2 Settings: 

      You can now use RealPit on your quads. Thanks to Zaine Stapleton for the write up on setup instructions:

      To hook up a Tiny's LEDs Real Pit up you'll need the following:

      -Flyduino KISS V2 FC
      -Firmware 1.3RC39a (Beta)
      -KISS GUI 2.0.15

      How to install:

      1. Run a wire from the FC pad from the Real Pit to PWM 5 on the FC.
      2. Flash the FC with most recent firmware.
      3. AUX channel option labeled 'Real Pit Mode' needs to be selected (set AUX channel, set switch position).
      4. Click save, disconnect once FC has been saved.
      5. Go race or freestyle your KISS rig!

      For KISS Firmware Download:
      For KISS Configurator Download:


      Wiring Diagram Instructions



      Tags: real pit, vtx power switch, unify switch, pit mode switch, vtx pit mode, vtx paralyze,