PIR Motion Sensor Circuit with 555 Timer
555 timer IC Electronics project Electronics tutorial Protection Circuits Sensors

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: Components Needed: PIR sensor 555 timer IC Buzzer Resistors (various shown below) Capacitors (various shown below) NPN transistor (e.g., 2N2222 or […]

Difference Between Microprocessor and Microcontroller
Computer Science Electronics components Electronics tutorial Integrated circuits (ICs) Microcontrollers

Difference Between Microprocessor and Microcontroller

Let’s understand in detail what are the difference between Microprocessor and Microcontroller. Microprocessors and microcontrollers are both essential components in the field of electronics and computing, but they serve different purposes and have distinct architectures and applications. Here are the key differences between them: What is Microprocessor? A microprocessor is a central processing unit (CPU) […]

BLDC Motor Driver Circuit
555 timer IC Electronics project Electronics tutorial PCB Designing

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 […]

T Flip Flop Truth Table Circuit Diagram & timing graph
Counter Circuits Electronics tutorial Flip Flops Integrated circuits (ICs) Logic Gates NOR Gate

T Flip Flop Truth Table, Circuit Diagram, Working and Applications

Let’s explore T flip flop truth table and working of its circuit with applications. A T flip-flop, also known as a toggle flip-flop, is a basic digital circuit element that has two stable states and can change state (toggle) based on a triggering input. T Flip Flop Circuit Diagram: Here’s the circuit diagram for a […]

LED Chaser Circuit using 555 Timer and CD4017 IC
Counter Circuits Electronics project Electronics tutorial Integrated circuits (ICs)

LED Chaser Circuit using 555 Timer and CD4017 IC

In this article you will learn how to make an LED chaser circuit using 555 timer IC and CD4017 counter IC. An LED chaser circuit is a simple electronic circuit that creates a sequential chasing effect by illuminating a series of LEDs one after the other. It is a popular project for hobbyists and electronics […]

CD4029 Block Diagram
Counter Circuits Counter ICs Electronic devices Electronics components Electronics project Electronics tutorial Integrated circuits (ICs)

CD4029 Binary/Decade & UP/Down Counter

CD4029 is a Synchronous, Programmable, Presettable, 4 Bit Up/Down & Binary/Decade counter which is very much similar to the IC 74193, However, there is one notable change between IC74193 and CD4029: CD4029 has one unique pin that determines its counter configuration for Binary and BCD counter mode, allowing the IC to count similarly to binary […]