MQ-135 Air Quality Sensor Tutorial
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...
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...
Flame sensors are found from the simplest gas stoves to huge industrial plants There are different types of fire sensors -- some cheap, some expensive Yet they’re all built for...
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...
Last time, I showed how easy it is to detect colors using the Pixy2 camera However, the camera’s price might be too expensive for some Luckily, there is a much cheaper option to...
An ultrasonic sensor is a common tool for measuring the distance of an object in front of it While I recommend using an Arduino with ultrasonic sensor to achieve real-time...
A thermistor is a special resistor whose resistance varies with temperature Learn how to interface a thermistor with a microcontroller in this tutorial ...