Audio Level Indicator – VU Meter
The VU meter—short for “volume unit meter”—is a device used to measure the average level of audio signals in terms of their loudness. It visually indicates the intensity of sound …
Details, Code And Circuit Diagram

The VU meter—short for “volume unit meter”—is a device used to measure the average level of audio signals in terms of their loudness. It visually indicates the intensity of sound …
Welcome to our latest video where we delve into the fascinating world of audio amplification using the CD4440 IC! In this comprehensive guide, we’ll walk you through the step-by-step process …
Light and darkness are two sides of the same coin, influencing our daily lives in ways we often overlook. Imagine a world where lights adjust themselves according to the ambient …
Building an 8S (8 series) LiFePO4 battery pack using LiFePO4 cells and a Daly Battery Management System (BMS). If you’re planning your own DIY power storage project, this guide might …
A 3.7 V lithium-ion charger using LM358 is a classic DIY solution and great for learning battery charging fundamentals. Below is a clear, practical explanation + working concept. Charging a …
Components Used: CD4066 IC CD4011 IC Diode 4148 – 2 Diode 4007 – 1 270k Resistor – 2 150 Resistor – 5 620K Resistor – 1 62K Resistor – 1 …
Building an 4S (4 series) LiFePO4 battery pack using 32140 LiFePO4 cells and a Daly Battery Management System (BMS). If you’re planning your own DIY power storage project, this guide …
An LED chaser is an electronic circuit that lights LEDs one after another in a sequence. It creates a running or chasing light effect commonly seen in decorations and indicators. …
The CuteBot Pro is a programmable robot-car kit designed for STEAM/robotics education.Key features include: It supports the micro:bit board (or similar controller) as its brain. It has encoder motors (for …
An LED chaser is an electronic circuit that lights LEDs one after another in a sequence. It creates a running or chasing light effect commonly seen in decorations and indicators. …
An LED chaser is an electronic circuit that lights LEDs one after another in a sequence. It creates a running or chasing light effect commonly seen in decorations and indicators. …
A PWM (Pulse Width Modulation) motor controller is an electronic device that uses PWM signals to control the speed and direction of a motor. It works by varying the width …
A Police Strobe Light Chaser Circuit is an electronic circuit designed to mimic the flashing red and blue lights used on police vehicles. It alternately flashes groups of LEDs (commonly …
Components Required: 10kΩ Resistor 3.3kΩ Resistor 220Ω Resistor 5mm LED 1µF Capacitor 220µF Capacitor NE555 IC CD4017 IC 9014 Transistor Self-lock Switch 100kΩ Potentiometer Power Connector PCB Board Special Thanks …
LED chasers are a fun and creative way to display a sequence of lights. In this blog post, we’ll show you how to build an LED chaser using a 555 …
If you’re interested in DIY battery projects, this guide shows how I built a 4S10P (14.8V nominal) battery pack using 40 pcs of 18650 Li-ion cells and a Daly BMS. …
An obstacle avoiding robot car is a robotic vehicle designed to navigate its environment without colliding with obstacles. It uses sensors and microcontrollers to detect and avoid obstacles in its …
Proximity sensors are widely used in automation, security, and robotics to detect the presence of nearby objects without physical contact. While modern sensors use complex ICs or microcontrollers, you can …
Building an 4S (4 series) LiFePO4 battery pack using 32140 LiFePO4 cells and a Daly Battery Management System (BMS). If you’re planning your own DIY power storage project, this guide …
Creating fun and eye-catching LED projects is one of the best ways to learn electronics. In this blog, we’ll walk through the process of building a Amazing LED Direction Indicator …
