Brake Light
Automotive‑Grade LED Matrix Brake Light
Our Formula Student brake light is built around a 6×5 high‑intensity LED array on a single PCB, each row of five LEDs driven in series through a 470 Ω current‑limiting resistor. All six strings share a common +18 V input and are switched to ground by a logic‑level MOSFET (BSS138), giving crisp, uniform illumination the moment you hit the brakes.
Robust Power‑Rail Protection
Upstream protection includes a 200 mA inline fuse and a 30 V TVS diode to clamp automotive transients and load dumps. On‑board decoupling (100 µF caps) and a TO‑252 linear regulator ensure stable voltage for any auxiliary control electronics.
Race‑Ready PCB Layout & Mounting
The compact 2‑layer PCB features four reinforced mounting holes, an automotive‑grade D‑sub 4‑pin connector footprint for “SIG_BRAKE” input and ground, plus automotive‑spec silkscreen and solder mask. Designed to fit directly into a water‑tight (IP67) housing, it stands up to vibration, dust and moisture on track.
Brake Light
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
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for issues caused by unsuitable parameter selections.
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