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3rd brake light flasher

Velleman MK178: Third Brake Light Flasher Kit

Velleman MK178

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The Velleman MK178 Brake Light Flasher Board Kit

As you are driving down the freeway, you notice a newer car with a third brake light that flashes a few time before going solid when the car brakes. With the Velleman MK178, you can have this feature on your car, too. Whether your car has incandescent bulbs or LEDs, this kit will work with it. You get to choose the number of flashes (5 or 10 times) and whether or not the flash repeats within 5-7 seconds between two presses of the brake pedal. Flash frequency is seven times per second. This light will catch the attention of other drivers and keep you safer from the all-too-common distracted driver.



  • Power supply: 12VDC
  • Max load: 4A
  • Dimensions: +/- 2.4 x 1.2 x 0.78"


Additional Information

Difficulty Level 2
  1. Great product review by kens on 6/18/2016

    I bought this product as a refresher for my soldering skills and to have an item of quality. I was impressed with the high quality circuit board which had clear parts placement printing. Assembly was relatively easy and the circuit worked the first time it was powered. I would like to have a circuit diagram and circuit explanation. This would increase the learning when assembling a kit. This kit performs the same function as assembled items costing much more.

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Assembly manual

Info Sheets

Overview of Velleman modules that are equal to D.I.Y Kits
This sheet is useful when you want to know which modules you could find in the do-it-yourself range of Velleman Kits and minikits.

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 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product