How to make a benchtop pH meter with an Arduino Uno and the Gravity analog pH sensor from Atlas Scientific.
A weather station that can show local atmospheric pressure, temperature humidity and UV index without any internet connection.
A cheap and effective method to limit the crowd in public places - such as shopping malls, supermarkets, etc - and public transport vehicles
Use a normal LED to sense light.
Device for monitoring build-up of snow. Useful for roads, drive ways, parking lots, roofs etc. Long battery-life and transmission range.
Try smart gardening at your home or office.
Weather station displaying indoor temp/hum, as well as climate conditions and present day/3-day forecast.
A device that keeps track of how many people enter and exit a room, and alerts them if there are too many people.
An easy-to-build and low-cost water quality monitor.
How to build an ultra low power LoRaWAN / The Things Network device using a MaxBotix ultrasonic sensor.
Easy tu torial on how to send a simple text + send sensor values, here used DHT11 as example.
See how to read and set sensor values on your Arduino Nano 33 BLE Sense using Bluetooth & Python. Demonstrated with the on-board RGB LED.
The (most likely) smallest Arduino-compatible sewable pico-Platinchen #SENSableTHING
A cap used to detect and notify you if someone from behind comes closer to you in offices, grocery shops, public transport places, etc.
Learn how to make a simple line follower robot by using Arduino and very basic electronic components. It is a fully autonomous robot.
Remote temperature monitor using a Bluetooth module and an NTC thermistor. An Android app made with App Inventor is used to read data.
How to measuring the air quality of the Open Data Institute using an Arduino and a Shinyei PPD-42.
Make it play "La Cucaracha" when your door closes
Automated temperature taking and attendance logging for students.
Implementing sensor fusion to detect smoke and reduce false alarms.
Fully programmable, WiFi connected, small and customizable, Linux based webcam with web configuration/access
The hobbyist soil moisture sensors I experimented with corroded away very quickly, so I wanted to come up with a DIY robust sensor.
NPK Sensor, PH, EC, Moisture, Temperature Sensor RS485 Modbus
A system to maintain the pH level of a sample within a defined range.
