5-30 minuts timer circuit using IC 555
This is timer circuit uses a 555 IC timer. it small,compact,portable. For the snooze alarm by buzzer when some 5 to 30 minutes. It make easy with pcb layout
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March 24, 2019
CD4060 Timer Circuit 22 seconds to 4 hours
This is IC 4060 Timer circuit. When rises time that is set, Suppose set 5 minutes time. after all time to 5 minutes. the circuit will emit a sound of buzzer once. [...]
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LM8365 alarm digital clock for beginners
The digital clock circuit board using LM8365,alarm and relay control, alert 2 times in 24 hour,backup battery power outage. Show dates, months or seconds [...]
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LM8560 Digital clock circuit diagram with alarm
The digital clock circuit that electronic amateurs are most interested. And The clock ICs that most popular are LM8361, MM5387, [...]
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Digital timer controller 0-99 second using PIC16C56
This time we try to run some microcontroller IC. The advantage of it is that we can assign different effects to it, and many other applications.
February 19, 2013
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