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Smart Hydration Tracker Bottle Using ESP32 & VL53L0X Sensor

01 June 2026

Voice Control Automation using INMP441 I2S Module and ESP32

28 April 2026

Rain Drop Sensor Interfacing with Arduino

31 October 2023

TEA5767 FM Radio Module Interfacing with Arduino

25 October 2023

DIY Digital Audio Amplifier Circuit using PAM8403 Amplifier Module

06 October 2023

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UNI-T UPO1154HD 4Ch 12-Bit Digital Storage Oscilloscope - 150 MHz UNI-T UPO1154HD 4Ch 12-Bit Digital Storage Oscilloscope - 150 MHz 4Channel
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Blog Tags

lithium battery capacity indicator module

How to use Lithium Battery Capacity Indicator Module?

Harsh Sehgal 0 Comments

A lithium battery capacity indicator module measures the voltage of a lithium-ion battery and displays the remaining capacity as a percentage. To use the module, connect it to the battery and turn it on. The LED display will show the battery capacity. Monitor the battery capacity as it discharges. Follow all safety precautions when...
DIY Music Player

How to Build a DIY Music Player with Arduino Nano and SD Card Reader

Harsh Sehgal 0 Comments

In this project, we will building a music player using an Arduino Nano and SD card reader. The music player will be capable of playing MP3 files stored on an SD card in wave form and we will have basic controls for play, pause, forward and backward. The project is a great introduction to...
traffic light control system

Design and Implementation of a Traffic Light Control System Using NE555 IC

Harsh Sehgal 0 Comments

The NE555 timer is a versatile electronic device used in circuits to create timing functions. In this project, we will use it to simulate a traffic light using LEDs, with the circuit consisting of three LEDs representing the colors of the traffic light: red, yellow, and green. The NE555 timer will be used to...
Interfacing 433MHz Transmitter And Receiver Modules With Arduino UNO

Wireless Communication: Interfacing 433MHz Transmitter and Receiver Modules with Arduino UNO

Harsh Sehgal 0 Comments

A 433MHz transmitter and receiver pair uses Amplitude Shift Keying (ASK) modulation to transmit and receive data wirelessly. The transmitter modulates a 433MHz carrier wave with the data signal using an ASK modulator, and transmits the modulated signal through an antenna. The receiver picks up the transmitted signal with an antenna, filters out unwanted...
Temperature and Humidity Monitoring System

DIY Temperature and Humidity Monitoring System with Arduino and DHT22 Sensor

Harsh Sehgal 0 Comments

In this article, we will learn about how we send temperature and humidity data from a DHT22 sensor and displays it on an LCD screen using an Arduino board. The LCD screen is initialized with its pins and dimensions, and the temperature is printed in Celsius or Fahrenheit depending on the value of a boolean...
Heart Rate Monitor

Real Time Heart Rate Monitoring System Using Arduino

Harsh Sehgal 0 Comments

This project is an Arduino-based heart pulse sensor that uses an OLED display to show the user's pulse rate. The program uses an analog heart rate sensor connected to pin A0 of the Arduino board. The code reads the sensor values and maps them to a range between 0 and 45 to create a...
Laser Security System

Build Laser Security System using LDR Sensor and BC547

Harsh Sehgal 0 Comments

If you want to make your surroundings safer then it comes to security. What if you can protect your house or garage or any important belongings with the help of a laser system. Whenever the laser got interrupted, it will sound an alarm to make you alert that someone has invaded. So, In this...