TVOC and CO2 Measurement using Arduino and CCS811 Air Quality Sensor

“Sadly, in the name of progress, we have polluted the air, water, soil and the food we eat”. So monitoring the air quality is...

Arduino Based Countdown Timer

A timer is a type of clock used for the measurement of time intervals. There are two types of timer, one which counts upwards...

Interfacing Graphical LCD (ST7920) with Arduino

There are many types of LCDs used in Electronic Projects. We have already used 16X2 LCD in many of our projects and also used ...

Automatic Pet Feeder using Arduino

Today we are building an Arduino based Automatic Pet Feeder which can automatically serve food to your pet timely. It has a...

Interfacing Joystick with Arduino

The first thing that comes in our mind listening to the word Joystick is the game controller. Yes, it’s exactly the same and...

Arduino Light Sensor Circuit using LDR

We all want our home appliances to be controlled automatically based on some conditions and that's called Home automation....

Arduino Ohm Meter

We find it difficult to read color codes on resistors to find its resistance. In order to overcome the difficulty of finding...

MPU6050 Gyro Sensor Interfacing with Arduino

MPU6050 sensor has many functions over the single chip. It consists a MEMS accelerometer, a MEMS gyro, and temperature sensor....

Battery Voltage Indicator using Arduino and LED Bar Graph

Batteries come with a certain voltage limit and if the voltage goes beyond the prescribed limits while charging or discharging...

Measuring PPM from MQ Gas Sensors using Arduino (MQ-137 Ammonia)

Right from the time of industrial age, we mankind have been rapidly developing. With every progress we also pollute our...