Tag: LED

A very simple circuit using IC LM3915 to measure the moisture level in soil. (Just for…

IC 555 / IC 741

LED Voltmeter circuit

March 31, 2016

LED voltmeter circuit constructed by operation amplifier IC741, here the op-amps are acts as…

Hobby Circuits

USB desktop lamp circuit

March 9, 2016

This simple desktop lamp circuit gives enough light during night time work without disturbing others. Here…

Arduino Serial Command LED

December 21, 2015

In this project we used Arduino serial monitor to command the LED On/Off and know the…

Electronics Projects

Simple water level indicator

When you have difficult to know the…

Analog Input bar graph using Arduino

This project gives visual output for different level of analog input. Here the condenser mic acts…

Temperature level bar graph using LM35 with Arduino

The bar graph LED output is very easy to understand the level of output. Here we…

LED chaser with buzzer

Here we added sound with visual output, yes the LED fader circuit or chaser circuit with…

Trimpot controlled Chaser LED with arduino

LED chasers are colourful when you decide to change the running speed of LEDs you have…

Electronics Projects

12V battery level monitor Circuit