Clock & Timer Circuit Diagrams
-
Digital Stopwatch Circuit
The principle, design, and operation of a digital stopwatch circuit are described in this article. A digital stopwatch is a…
Read More » -
Delay using 8051 Timers
On this project, I’ll go over a little bit about Timers in the 8051 Microcontroller and how to use them…
Read More » -
Digital Clock Circuit using 8051 and DS12C887
In this project, I will show you how to design a simple Digital Clock Circuit using 8051 and DS12C887 as…
Read More » -
5 to 30 Minute Timer Schematic Circuit Diagram
Description: A switched timer for intervals of 5 to 30 minutes incremented in 5-minute steps. Circuit diagram Notes: Simple to…
Read More » -
24 Hour Timer Schematic Circuit Diagram
Description: These two circuits are multi-range timers offering periods of up to 24 hours and beyond. Both are essentially the…
Read More » -
Learn To Use Digital Potentiometers Schematic Circuits Diagram
A resistor is an electrical device that resists the flow of electrical current. In the digital era, we can find…
Read More » -
Smart Switch Box for Mobile Chargers and Modems Schematic Circuit Diagram
Most of us leave our battery-operated devices like mobile phones, laptops, tablets, power banks and modems plugged into a charger overnight—even though…
Read More » -
Programmable Automatic Bell System Schematic Circuit Diagram
All schools and colleges follow a timetable for their classes, providing different time slots for different subjects. In order to…
Read More » -
USB NIMH NICD BATTERY CHARGE SCHEMATIC CIRCUIT DIAGRAM
The circuit is capable of charging 2 AA NiMH, NiCd batteries with 5 volts on the USB port of the…
Read More » -
SCHMITT TRIGGER (TRIGGERED) CONNECTED TURN-OFF TYPE TIME RELAY SCHEMATIC CIRCUIT DIAGRAM
The schmitt-triggered connection of transistors can be explained briefly: If the voltage applied to the relays does not reach zero…
Read More »
