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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August 5, 2017
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
January 29, 2017
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 [...]
June 13, 2015
Cheap Digital time clock with alarm circuit by LM8560
The digital clock circuit that electronic amateurs are most interested. And The clock ICs that most popular are LM8361, MM5387, [...]
May 31, 2015
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
Cheap microcontroller training package by 68HC705
The microcontroller IC is a device that looks like a common IC. But inside it, the virtual a miniature computer. This device can be used instead of transistors and IC…
November 16, 2012
Simple 555 countdown timer circuit with alarm
The red and green LEDs will flash alternately and when time to setting the buzzer will loudly sound each time LED flashes.
October 23, 2010
The Alarm Countdown Timer circuit Diagram