Additional stop lamp control unit

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Additional
stop lamp control unit

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In Japan, the car that is equipped with additional stop lamp increased.
This lamp expands the area that shines red at the time of stepping the brake to stop the car and be said to be the purpose that evokes the attention to the car behind. Because my car was manufactured before 10 years over the equipment, like that is not attached.
Promptly, I would attach it. Because it is not interesting just to be lighted with the stop lamp, the additional lamp would be flashed. I noticed that is necessary to do the attention here.
It assumed to induce the attention to the car behind through the means that the addition lamp flickers. However, the driver of the car behind will feel irritation at the time of the traffic jam.

Thereupon, I consider the following function.

	Flicker only when the brake is stepped on with certain speed over.
	Become in illumination condition, in the case that it continued to step the brake on the specified time over.

In this way, the attention is evoked only with certain speed over( I made it 40 km/h ).

Constitution of the circuit function

When the brake is stepped on it lighted or flicker	:	It interlocks with the stop lamp circuit
It flashes	:	A-stable multivibrator circuit is used
Illumination condition is made if only the specified time	:	Timer circuit is used
Flickering or illumination is changed by car speed	:	Car speed detection circuit is used

With the figure of the top the 'Additional stop lamp control unit' part(red part) is a clickable image map.
You can jump to the page of the production when you click it.
Also the 'Car speed detector' part(blue part) is a clickable image map.
You can jump to the page where it is linking when you click it.