6.4A-20nA current/voltage/power monitor based on the TI INA209 with extra GND usable as Arduino shield, FeatherWing, breakout or breadboard.

The objective is to find an easy way to implement RS485 on an Arduino Uno, then to adapt it to an ESP8266.

Stream and analyze live data from your Arduino microcontroller into Excel with the Data Streamer add-in!

How to interface an IR sensor with an Arduino Uno.

Uno-based battery-powered PM10 / PM2.5 analyzer with bright large digits on an OLED display.

Our Gnome becomes a weather forecaster with an Arduino Nano Every and a pressure sensor. Get your local forecast without the internet.

Put on your aerospace engineering hat! Explore how different materials absorb and transmit heat to simulate space capsule re-entry to earth!

This project will show you how to use an MQ-2 gas sensor.

A cheap DIY air quality monitoring device.

A simple electromagnetic sensor to measure current induced by a moving magnetic field!

A really economic street lighting system.

Build a table lamp that's sturdy and smart.

Use a DHT22 sensor with Arduino to acquire room relative humidity, temperature, humidex. Show values on display. Log data with MATLAB.

A simple, low-cost flex and pressure sensor!

In this tutorial, you’ll learn how to use the LSM303DLHC GY-511 compass module with Arduino to make a digital compass.

The Zeus Weather Station (ZEWS) is an initiative of the Harry Fultz Institute Open Source Club to promote open source hardware and software.

A simple device that makes controlling humidity and saving energy a snap. Operates as easily as a thermostat.

Make an EC/pH/ORP/temperature sensor device to monitor water. Interact with it through a website using Bluetooth Low Energy.

An interesting way to increase sensitivity and reduce the noise of the ADXL335 analog accelerometer.

Replace the PIR motion sensor with this module and it's 360° detection angle baby!

Interfacing a VK16E GPS module with an Arduino.

Detect movement up to 30' away which is useful in motion-activated projects such as a security system or automatic lighting in a classroom.

Read CO2 and tVOC data using CCS811 I2C sensor breakout by itbrainpower.net. Temperature and humidity read compensation notes.

An Arduino-based altimeter, mostly for model rocketry.