Ultrasonic Sensor and Temperature Compensation
If you've been using Arduino, you might have used or have heard about the ultrasonic sensor Most of us use it for level/distance measurement while some use it to detect an...
If you've been using Arduino, you might have used or have heard about the ultrasonic sensor Most of us use it for level/distance measurement while some use it to detect an...
The MQ-135 “air quality” sensor is part of the MQ series of gas sensors that uses a chemical-sensitive element The resistance of such elements varies when exposed to certain...
Ever since I wrote about timer interrupts, a number of readers have asked me on how to generate a 16-bit pulse width modulation (PWM) signal with Arduino Well, here it is ...
Current sensors can have different applications: power supplies, over-current protection, and motor control to name a few In this Arduino current sensor tutorial, we will look at...
An Arduino magnetic sensor has several uses: for reading the speed of a rotating object, for door alarms and for navigation In this tutorial, we will build a simple magnet...
Relays in electronics are useful for controlling a high-power load using a smaller-power circuit For example, an Arduino or PIC running on 5V, controlling a 240VAC light bulb,...
Wouldn’t it be cool if you could control something by just waving your hands Well, this is what the grove gesture sensor does In this post, I will show you how to use this...
With the 8 x 8 LEDs in a dot matrix, you can create several different characters and graphics Imagine what you can do if you have a MAX7219 cascaded dot matrix module ...
The ADXL345 is an integrated circuit that measures acceleration in 3 axes Like most sensors, this device comes with an easy-to-use breakout board and is usable through SPI or I2C...
The MPU6050 is a six-axis gyroscope and accelerometer in one package With its easy-to-use breakout board, it became one of the more popular sensors for the Arduino platform This...