As the name proposes, “One-minute Timer,” this DIY circuit tutorial is a timer circuit that turns OFF and ON an LED exactly after every one minute. It employs a NE555 timer IC that is a … Read more
555 timer
Introduction Mosquitoes are a danger to any being. This tiny insect can affect several human beings. We have seen so many viruses like dengue, etc and so many diseases like malaria, etc. These tiny mosquitoes … Read more
How to make Mosquito Repellent Circuit
In this project, we are making a simple wire break or burglar alarm using 555 IC. This circuit is easy to make, inexpensive, and beginner-friendly as it only uses three components 555 timer IC, a … Read more
Wire Break Or Burglar Alarm Using 555
An insect repellent or a mosquito repellent is a simple electronic circuit that repels small insects such as mosquitoes & flies on the principle that insects can be repelled by exposing them to sound frequencies … Read more
Simple Insect Mosquito Repellent – Electronics Projects
CD4541 programmable timer is a part of the CD4000 IC series. It consists of a 16 – stage binary counter, an output control logic, and a special power-on reset circuit. The special features of the … Read more
CD4541 Oscillator Programmable Timer – Datasheet
What is a PWM DC Motor Controller? Directional & speed control (RPM) for AC/DC Motors can be achieved through various methods. It is essential to be able to control the speed & direction of DC … Read more
PWM DC Motor Controller using NE555 Timer IC | Electronics Project
What is a DC Motor Speed Controller? A DC motor speed controller is a simple electronic circuit that is used to linearly control the speed of a connected DC Drive/Motor by simply rotating an attached … Read more
How To Make A DC Motor Speed Controller Using NE555 Timer IC
A flip flop circuit, here, flashes two sets of LEDs ON ad OFF in a flip flop manner. the circuit includes IC NE555 for the time triggering switching. Also, the circuit uses both the NPN … Read more
Flip Flop flashing of many LEDs with NE555
Waking up in the morning is quite a task for many people. The aim of this project is to build an alarm clock which will help people go get up a little bit easier. Additionally … Read more
Smart Morning Alarm using NE555 Timer
In this tutorial, we will demonstrate a dark-activated LED fader and its working. This dark-activated switch will activate the relay to operate the AC light at sunset. The light stays on until morning and then … Read more
Dark Activated LED Fader using LDR
The light fence circuit is used to detect the presence of any person or object in a specific area. The Light Fence Circuit detection range is around 1.5 to 3 meters. Designing the circuit using … Read more
Automatic Light Fence Circuit with Alarm
A charge pump is a kind of converter that uses energetic charge storage condensers to increase or decrease voltage. Charge-pump circuits, while being electrically simple circuits, are capable of high efficiencies, often as high as … Read more
Charge Pump Circuit – Getting Higher Voltage from Low Voltage Source
Many electronics struggle with Tracing Curves, whether it be the smooth VI line of a capacitor or the voltage of a collector transistor against the current curve. Those curves give one an intuitive view of … Read more
Simple Curve Tracer Circuit for Resistor, Diode, and Transistor
This circuit warns when a vehicle such as a car, jeep, bus, etc gets overheated, or its temperature rises above a safe level. The circuit will warn with a buzzer beep and an LED flashing. … Read more
Car Engine Overheat Detector Alarm
The high / over temperature sensor or detector alarm is a circuit that senses the temperature of the circuit and activates the alarm and flashes the LED when the temperature rises above normal. Thermocouples or … Read more
High / Over Temperature Sensor Alarm
As a signal goes through a rapid shift from base to higher value and after some period returns back to base value from higher value. It is considered a pulse signal. A Missing Pulse Detector … Read more