Projects


This space is dedicated to hands-on technology projects where I learn by building and experimenting. Here you’ll find electronics circuits, DIY builds, and practical projects that focus on real-world problem solving rather than theory alone.

Project Archive

  • Audio amplifier using PAM8403

    This is a basic circuit idea of making audio amplifier using PAM8403 chip. Note that this is readily available as a module. But if you need to try your hands on it…

  • Simple FM Radio using TEA5767 Module

    Introduction The TEA5767 is a single-chip electronically tuned FM stereo radio module for low-voltage applications with fully integrated Intermediate Frequency (IF) selectivity and- demodulation. The radio is completely adjustment-free and only requires…

  • How to connect 8 inch Waveshare LCD display with Raspberry PI

    This is in continuation with my earlier post on unboxing 8 inch Waveshare LCD display Here we will see how we can connect 8 inch Waveshare LCD display to Raspberry Pi. Hardware…

  • How to hook keypads with Arduino

    Matrix style keypads with Arduino is very handy and easy to use for any input required. It can be used to enter passwords, control games and robots. What is needed Arduino UNO Keypad…

  • How to calculate distance using HC-SR04 and Raspberry pi

    In this article I am going to calculate distance using HC-SR04 and raspberry pi. The HC-SR04 Ultrasonic sensor that I am going to use here has four pins: Ground (GND) Echo Pulse…

  • How to connect 16*2 LCD using I2C with Arduino

    This display setup can be used in all Arduino projects and we only need 4 wires. 2 for data and 2 for power. This16*2 LCD using I2C with Arduino setup will simplify…

  • How to use A9G GPS/GSM/GPRS pudding board – Part2

    In the previous post we have seen how we can use A9G GPS/GSM/GPRS pudding board using a serial debugging tool and list of AT commands that we can use it. In this…

  • How to use A9G GPS/GSM/GPRS pudding board – Part1

    What is A9G GPS/GPRS board? A9G GPS/GSM/GPRS pudding board is a complete quad-band GSM/GPRS+GPRS/GPS module. This module supports the basic phone voice call/SMS, serial to GPRS and GPS data transmission functions, which…

  • How to add switch to start and shutdown Raspberry Pi

    In this post I will show how you can add a power switch to start and shutdown raspberry pi.