This project shows how to control LED with voice using Arduino. We can use speech recognition module with Arduino Nano. It takes voice command. It turns LED ON or OFF based on command. This Arduino with Speech Recognition Circuit is simple project for beginners. Circuit Coding: Coding Explanation: Circuit Working: Parts List: Component Quantity Resistor […]
Audio Circuits
Arduino Piano Music Keyboard with Memory Circuit
This project is for Arduino Piano Music Keyboard with Memory Circuit. Main parts are Arduino Uno, push buttons, buzzer, LCD and resistors. When button is press then buzzer make piano sound. LCD show note name on screen. We can record notes and play again later. It is small and fun project. Good for learning Arduino, […]
DIY Simple Bluetooth Speaker Circuit
Today music is everywhere and it has become part of our daily life. People like to carry small portable speakers in bag, while travelling or in room. Making our own Bluetooth speaker is not so hard. With small parts like battery, speaker and Bluetooth module we can build it ourselves. This project for DIY Simple […]
AM Radio Circuit using Transistors
This article show how make AM Radio Circuit using Transistors It use easy parts like transistor, capacitor, resistor and inductor. Parts are easy to find and good to learn basic radio frequency RF, catch signals and to make sound louder. Circuit catch medium wave AM signals and changes AM signal to sound and play sound […]
Low Cost AM Radio Receiver Circuit
This cheap and easy Low Cost AM Radio Receiver Circuit uses simple parts to make. It helps us get normal AM radio signals. It uses 2N3904 transistor and LM386 amplifier to find and make AM signals louder. Circuit is good for beginners and people who want to learn about radio and electronics. We can also […]
AM Radio Receiver Circuit using IC TA7642
TA7642 IC is very sensitive chip for AM radio. It needs few extra parts and works on low voltage. Circuit is good for small and efficient radios. In this post we will see AM Radio Receiver Circuit using IC TA7642. Here we have explained each part and have given easy steps to build. TA7642 is […]