Monday October 27 01:39 am
Digital Speed Meter with pic 16F628
The spare parts of my motorcycle's speed meter are discontinued, so I had to make one on my own.. The next step it to mount it and show the numbers in three 7-segment displays, which I know they're not visible at daylight but it will look great at night..
The ic555 simulates the pulses of a reed relay on the wheel and it's connected to the external interrupt pin. It takes eight bits one for receiving the pulses and seven to drive the LCD or three multiplexed 7-segment displays (four bits to a 4511 and three to the displays' grounds..).
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