To make a Simple Temperature Indicator Circuit using a Single Transistor is not so hard like people think. This article tell 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: Using one transistor, temperature indicator circuit is […]
Indicator Circuits
Water Level Indicator Circuit
This Water Level Indicator Circuit is a small project to show water level in tank by using 4 LED lights. Each LED tell how much water is inside the tank. When water goes up more LED turn ON. It is easy to make and uses cheap parts. This circuit is good for saving water and […]
IC LM35 Temperature Indicator Circuit
This IC LM35 Temperature Indicator Circuit is small and easy circuit. It uses LM35 chip to check temperature. 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. No need of big computer […]
Battery Voltage Level Indicator Circuit using 3 LED
Battery Voltage Level Indicator Circuit using 3 LED is small circuit to show battery voltage with 3 LED One LED for low, one for medium and one for full charge. It helps to know battery is good or need charging. This circuit is easy to make and can be used for 12V battery but with […]
How to Build a Two LED Temperature Indicator Circuit
This article show How to Build a Two LED Temperature Indicator Circuit which is easy and cool project. This circuit is used for many thing like: To check water shower when it is not too hot so no damage can happen Be sure computer parts, amplifier, heater and even car water tank do not get […]
Simple Water Level Indicator Buzzer Circuit
This Simple Water Level Indicator Buzzer Circuit show how much water is there inside a tank. It make beep sound like alarm when water goes too high or too low. We can make it using transistor and some other small electronic parts. It only beep when water touches two metal pieces inside the tank. In […]