This tutorial help us to make Music Level LED Indicator Circuit, which turn on again and again when music volume goes up or down. Here, the light move like wave when music get loud fast and this article tell how circuit work and what parts we need. What is a Music Level LED Indicator Circuit: […]
Indicator Circuits
Simple Piezo Buzzer Circuit
This Simple Piezo Buzzer Circuit make sound in new way, as it is easy to make and need only few parts like: Also, to make high sound like a whistle, this circuit is special because coil makes the sound to keep going and is not like other circuit with resistor and capacitor only. What is […]
Simple Temperature Indicator Circuit using a Single Transistor
To make a Simple Temperature Indicator Circuit using a Single Transistor is not so hard like people think. Furthermore, this article makes understand, how anyone can build this easy circuit using one diode, one transistor and some other small parts. What is a Temperature Indicator Circuit using a Single Transistor: Firstly, using one transistor, temperature […]
Water Level Indicator Circuit
This Water Level Indicator Circuit is a small project to show water level in tank by using 4 LED lights and each LED tells how much water is inside the tank and when water goes up more then more LEDs turn ON. Also, this circuit is easy to make and uses cheap parts and is […]
IC LM35 Temperature Indicator Circuit
To begin with, this IC LM35 Temperature Indicator Circuit is small and easy circuit, which uses LM35 chip to check temperature. Also, there are no need of many parts and no need of difficult microcontroller, LED light turn ON when it become too hot or too cold which depend on how we set it. Hence, […]
Battery Voltage Level Indicator Circuit using 3 LED
To begin with, Battery Voltage Level Indicator Circuit using 3 LED is small circuit to show battery voltage with 3 LED. Here, one LED for low, one for medium and one for full charge, which helps to know battery is good or need charging. Thus, we can easily make this circuit and use it for […]