Now a day most of the Electronic Hobbyist & Professionals are like to make Microcontroller based Digital clock circuit, the photographs here is a non microcontroller based Electronic Digital Clock. this clock needs only 2 ICs. no programming or any other chips needed for this clock.
Applications:
- Alarm Click.
- Desk Clock.
- Clock Radios.
- Automobile Clocks.
- Industrial Clock.
- Portable Clock.
- Industrial Timer, etc.
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Features:
- 50Hz or 60Hz operation.
- Single Power Supply.
- 12/24 Hours Display Format.
- AM/PM output.
- 12/24 hour format.
- 24 hour alarm setting.
- Fast & Slow set control.
- Power failure Indication.
- All counters resettable.
- Direct interface to LED Displays.
- 9 minute snooze alarm.
- Presettable 59 min. sleep timers.
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![](digitalclock_files/clockmainboard.jpg) |
![](digitalclock_files/displayunit.jpg) |
![](digitalclock_files/fullcircuit.jpg) |
Digital Clock Kit !1.Main Clock Chip(MM5387 or Equ),2.Osc.Chip (MM5369),3.X-tal,4.PCB
Total cost $ 35
Contact : Nazrul, nislam_dhk@yahoo.com
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