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555 Pulsing Third Brake Light Circuit – Circuit Schematic
555 Pulsing Third Brake Light Circuit
The Circuit consists of two 555 timer/oscillators in a dual timer configuration both setup in unstable mode. Component: 1N4148 Diode, 555 IC, .....
555 Timer For Headlight Flasher – Circuit Schematic
555 Timer For Headlight Flasher
It allow your car headlights to flash on and off at the same time or it will cause them to flash alternately. Component: 555IC, Transistor, Resistor, Relay, Pol...
Circuit Diagram Based On The 555 Timer IC – Circuit Schematic
Circuit Diagram Based On The 555 Timer IC
The following circuit shows about Practical Electronics/Plugins/Astable Circuit Diagram. This circuit based on the 555 Timer IC. Features: gives a pulse of abou...
555 IC For Basic Monostable Multivibrator – Circuit Schematic
555 IC For Basic Monostable Multivibrator
Description:The following circuit shows about Basic Monostable Multivibrator. This circuit based on the 555 Timer IC. Features:  Pin 4 is the RESET, t=R1xC1, ....
Wiper Speed Control With NE555 IC – Circuit Schematic
Wiper Speed Control With NE555 IC
This circuit shows a Wiper Speed Control Circuit Diagram. Sweeping rate of the wiper can varying from once a second to once in ten seconds. This .....
Mark 1 Coil Timer – Circuit Schematic
Mark 1 Coil Timer
This coil gun design uses on/off times that are rather arbitrary. Well, not chosen at random, but the times are calculated in the spreadsheet according to the b...
Water level controller circuit using transistors and NE555 timer IC – Circuit Schematic
Water level controller circuit using transistors and NE555 timer IC
A very simple water level controller circuit based on 555 IC and 6 transistors. A relay is used for switching the pump motor.....
Voltage doubler circuit using NE555 – Circuit Schematic
Voltage doubler circuit using NE555
The circuit diagram of a very simple voltage doubler using NE555 timer is shown here. Here IC NE555 is wired as an astable mutivibrator operating at around 9KHz...
Touch SwitchCircuit using NE 555 IC – Circuit Schematic
Touch SwitchCircuit using NE 555 IC
A touch switch circuit schematic using 555 IC.When touched on the touch plate a relay will be switched ON for a preset time. This time can be adjusted too.....
Sense of Time tester circuit – Circuit Schematic
Sense of Time tester circuit
When S2 is ON, the circuit here operates as an astable multi vibrator and the LED is lit for about o. 1sec, flasing every 1. 5 seconds. Since the human reaction...
Selective timer alarm – Circuit Schematic
Selective timer alarm
A timer circuit using IC 4060 is given here. The IC 4060 is a 14 stage binary counter with a built-in oscillator. R2, R7, C1 are the components that determine t...
Scmitt Trigger circuit using NE 555 – Circuit Schematic
Scmitt Trigger circuit using NE 555
Apart from the timing functions, the two comparators of the 555 timer can be used independently for other applications. One example is a Schmitt Trigger shown h...
Pulse Generator using Op-Amp – Circuit Schematic
Pulse Generator using Op-Amp
As already explained, a monostable multivibrator (MMV) has one stable state and one quasi-stable state. The circuit remains in its stable state till an external...
Police siren using NE555 – Circuit Schematic
Police siren using NE555
A lot of electronic circuits using NE555 timer IC are already published here and this is just another one. Here is the circuit diagram of a police siren based o...
Missing pulse detector circuit using NE555 – Circuit Schematic
Missing pulse detector circuit using NE555
An NE555 timer IC connected as shown here can detect a missing pulse or abnormally long period between two consecutive pulses in a train of pulses. Such circuit...
F to V Converter Circuit using LM555 Timer IC – Circuit Schematic
F to V Converter Circuit using LM555 Timer IC
A simple F to V converter circuit with diagram and schematic using LM555 Timer IC.This circuit has lots of applications in digital frequency meters, tachometers...
Electronic toss circuit – Circuit Schematic
Electronic toss circuit
The circuit given here can be used for tossing head or tail. There are many games in which a tossing is required to start and this circuit can be used in all su...
Door bell circuit using NE555 – Circuit Schematic
Door bell circuit using NE555
The main part of this doorbell circuit are two NE555 timer ICs. When some one presses switch S1 momentarily, the loud speaker sounds a bell tone as long as the ...
Digital Stop Watch and Digital Timer Circuit – Circuit Schematic
Digital Stop Watch and Digital Timer Circuit
A digital stop watch or digital timer circuit schematic built around timer IC LM555 and 4-digit counter IC MM74C926 with multiplexed 7-segment LED display.....
Seven-7-Segment Counter Circuit with LED Display-Diagram and Schematic – Circuit Schematic
Seven-7-Segment Counter Circuit with LED Display-Diagram and Schematic
A simple seven/7 segment counter circuit with an LED display. This counter circuit diagram is designed using IC CD 4033 as counter,555 Timer IC and seven segmen...