Clap Switch Circuit
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4 Simple Clap Switch Circuits Using NE555 Timer, CD4017 IC & Transistors

A clap switch circuit is a popular DIY electronics project that lets you control an electronic device by clapping your hands. The circuit uses the sound of a clap as a trigger to turn the device ON or OFF. It finds wide use in home automation, interactive projects, and temporary lighting solutions. In this article, […]

Voltage Controlled Oscillator using 555 Timer
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Voltage Controlled Oscillator VCO Circuit Using 555 Timer IC

A Voltage Controlled Oscillator (VCO) using 555 timer is an oscillator whose output frequency is directly dependent on the input control voltage. VCOs are widely used in communication systems, tone generators, frequency modulation (FM), and various signal processing applications. One of the simplest and most economical ways to build a VCO is by using the […]

Boost Converter Circuit Using 555 Timer
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DC-DC Boost Converter Circuit Using 555 Timer

A boost converter circuit is a DC-DC power converter that steps up voltage from its input to its output while stepping down current. It’s widely used in applications where a higher output voltage is required from a lower input voltage, such as in battery-operated devices. One of the simplest ways to design a boost converter […]

PIR Motion Sensor Circuit with 555 Timer
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PIR Motion Sensor Circuit with 555 Timer IC

Let’s designing a PIR motion sensor circuit that uses a Passive Infrared (PIR) sensor to control a buzzer through a 555 timer for motion detection applications. Here’s a step-by-step guide to creating this circuit: Working Principle of PIR Motion Sensor: A Passive Infrared (PIR) motion sensor detects motion by sensing changes in infrared radiation. Here’s […]

BLDC Motor Driver Circuit
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Brushless DC – BLDC Motor Driver Circuit using 555 Timer IC

This article describes a sensor-less BLDC motor driver circuit using 555 timer and DRV10866 motor driver IC, suitable for driving small 5V BLDC fans without position sensors. The rise in the use of brushless DC motors (BLDCs) is driven by their efficiency, durability, and precision. However, controlling these motors typically requires rotor position information to […]