Car Tachometer Using Philips NE555 IC Timer
Sponsored LinksThe following picture circuit a car tachometer using NE555 Timer IC from Philips Semiconductor.
When the timer output is high, meter M receives a calibrated current through R6. M doesn’t receive current for that part of the duty cycle after time-out. And a visible indication of engine speed is resulted from the integration of the variable duty cycle by the meter movement.
Sponsored Links
You can leave a response, or trackback from your own site.
