Circuit Basics - Arduino - Environment Sensors

Arduino

Environmental Monitoring and Detection Sensors

Arduino DHT11 Humidity and Temperature Sensor With LCD Output

How to Set Up the DHT11 Humidity Sensor on an Arduino

Scott Campbell2827 min read
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) - LCD Output of Temperature Readings

Make an Arduino Temperature Sensor (Thermistor Tutorial)

Scott Campbell1326 min read
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.
Arduino Capacitance Meter with LCD Output

How to Make an Arduino Capacitance Meter

Scott Campbell5413 min read
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

How to Make an Arduino Ohm Meter

Scott Campbell515 min read
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.
Arduino BMP180 Tutorial - High Pressure vs. Low Pressure Weather Diagram

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!
Arduino Microphone Module LED Clapper Circuit.jpg

How to Use Microphones on the Arduino

Scott Campbell412 min read
A microphone connected to the Arduino can detect sound and trigger an output when the sound crosses a pre-defined threshold value.
Arduino Light Dependent Resistor - LDR and Resistor

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.
Motion Detector Wiring Diagram with 5 Volt Relay 2 BEST.png

How to Setup Passive Infrared (PIR) Motion Sensors on the Arduino

Scott Campbell15 min read
PIR sensors can be used to trigger alarms, activate video cameras, or turn on lights when a person or animal enters an area.
Three Different Photoresistors

How to Use Photoresistors to Detect Light on an Arduino

Scott Campbell05 min read
Photoresistors are perfect for making light controlled switches or to track daylight in weather stations and environmental monitoring systems.
How the Keyes KY-002 Shock Sensor Works.png

How to Setup Vibration Sensors on the Arduino

Scott Campbell04 min read
Shock sensors and knock sensors can be used to detect closing doors, excessive vibrations in machinery, or collisions in remote controlled vehicles.