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In this circuit LM3914 bar graph decoder IC used for to drive output, the alcohol sensor…

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…

Serial Communication with Arduino

Here this project shows how to communicate with arduino serial terminal? For an application we have…

Tilt Switch Arduino Schematics

The small inexpensive easy to use sensor, it allows you to detect orientation or inclination. By…

Interfacing 4×4 Keypad with Arduino

Many projects needs keypads, the common 4×4 keypad has sixteen keys (hex input). To construct this…

Accelerometer sensor arduino schematics