Arduino
Environment Sensors
Environmental Monitoring and Detection Sensors
Detect, measure, and track environmental factors like temperature, humidity, barometric pressure, light levels, sound, and more! Learn how to display sensor data on an LCD display. Fun and useful projects are waiting for you to explore!
How to Set Up the DHT11 Humidity Sensor on an Arduino
How to measure temperature and humidity with the DHT11 and an Arduino. Diagrams and code are provided to display readings on an LCD or the serial monitor.
Make an Arduino Temperature Sensor (Thermistor Tutorial)
Learn how to use an analog thermistor to measure temperature on the Arduino. Output readings to an LCD or the serial monitor in Celsius or Fahrenheit.
How to Make an Arduino Capacitance Meter
Learn how to build three different Arduino capacitance meters that cover a range of commonly used capacitors from about 10 pF to over 3,900 uF.
How to Make an Arduino Ohm Meter
This Arduino Ohm meter will save you lots of time. Just measure all of your resistors, label them, and you won’t need to read color bands anymore.
How to Set Up the BMP180 Barometric Pressure Sensor on an Arduino
Learn how to set up a barometric pressure sensor on the Arduino to measure atmospheric pressure and even altitude!
How to Use Microphones on the Arduino
A microphone connected to the Arduino can detect sound and trigger an output when the sound crosses a pre-defined threshold value.
Pairing a Light Dependent Resistor with an Arduino
Connect and program a light dependent resistor on the Arduino to measure light intensity for light responsive and daylight tracking projects.
How to Setup Passive Infrared (PIR) Motion Sensors on the Arduino
PIR sensors can be used to trigger alarms, activate video cameras, or turn on lights when a person or animal enters an area.
How to Use Photoresistors to Detect Light on an Arduino
Photoresistors are perfect for making light controlled switches or to track daylight in weather stations and environmental monitoring systems.
How to Setup Vibration Sensors on the Arduino
Shock sensors and knock sensors can be used to detect closing doors, excessive vibrations in machinery, or collisions in remote controlled vehicles.