A real police light bar, a fire-truck beacon or a K.I.T.T.-style chase on your RC car? With Flare RC's custom LED groups, you coordinate several LEDs into one sequence — without touching any code, and the ESP32 board plays it on its own.

What you need

• 2 or more LEDs (e.g. 1 red + 1 blue for a police bar).
• One resistor (220 Ω) per LED.
• Free GPIOs on your ESP32 board, and the Flare RC app.

1. Wire and create your custom LEDs

Wire each LED to a free GPIO: anode (+) → resistor → GPIO, cathode (−) → common GND. In the app, Settings → Custom LEDs, create each LED in custom mode, name it ("Red", "Blue") and pick its marker color.

2. Create the group

Still in Custom LEDs, Groups section → "Create a group". Give it a name, e.g. "Police bar".

3. Build the sequence

Add steps: each step = one LED + on/off + brightness. The delay is set between steps. For a red/blue alternation:

1. Red ON — delay 0
2. Blue OFF — delay 80 ms
3. Red OFF — delay 0
4. Blue ON — delay 80 ms

4. Choose when it runs

• Continuous: runs all the time from power-up.
• Triggered: an on/off button in the Control tab (and CH3 later).
• Linked: follows an existing function (light bar, hazards…).

That's it

Save: the sequence goes to the board. In continuous or linked mode, it runs even without a phone. Your custom light bar is ready to roll.