A digital stadiometer for human height measurement.
Project tutorial by fmarzocca
How to make a sensitive homemade lightning detector based on cheap AM receiver IC TA7642 and Arduino Nano.
Project tutorial by Mirko Pavleski
This is a smart plant pot that can sense the plant's condition and shows an emotional expression (animation) for that condition.
Project tutorial by Abid hossain
Portable range/distance detection device using an Arduino, ultrasonic sensor, and buzzer.
Project tutorial by Viktor S
It can detect metal coin at 15cm +, and bigger metal objects at 50cm and more. Also capable of discriminating between ferrous and nonferrous
The cheapest amplifier on the market to assemble DIY seismometer projects
A simple device that makes controlling humidity and saving energy a snap. Operates as easily as a thermostat.
Project tutorial by Shaeroden
DIY Arduino air quality monitor which can measure surrounding air quality also shows temperature and humidity in your room.
Transmit temperature readings via two nRF24L01 transceiver modules using an Arduino Nano and a TTGO T-Display and upload to Thingspeak.
Project tutorial by Chamath Vithanawasam
An air monitor that can measure CO, CO2, H2, CH4, NH3, Alcohol, Bangene, Acetone, Hexane, Toluene, Smoke and Flammable gas concentration.
Pulse induction metal detector, built on the Arduino Nano.
Project showcase by Alexey
Use the IO Expander and accessories to connect OLED screens and I2C sensors over a 100ft away.
Project tutorial by Christian
Intelligently reduce the moisture in your basement/crawlspace to help control mildew growth and lower your heating/cooling bill.
The E18-D80NK is an advanced low-cost IR Proximity Sensor with an obstacle detection range of 3 cm to 80 cm.
The lightmeter based on Arduino as a main controller and BH1750 as a metering cell. Information is displayed on SSD1306 OLED display.
Project tutorial by Vasyl Pominchuk
Pulse induction Metal Detector. It can detect a metal coin at a distance of 15 cm and a larger metal object at a distance of 40 cm and more.
A weather station that can show local atmospheric pressure, temperature humidity and UV index without any internet connection.
A simple project to make a GPS log station with data speed, max speed, distance trip and altitude. all data are write on SD card
Project tutorial by wrighi
If you have to drill a certain depth for a project, you need a bench drill with depth display. See how simple it works in this project.
Project tutorial by Thomas Angielsky
This is a tipping bucket rain gauge designed in two separate modules; an outdoor sensing unit, and an indoor display with SD card data.
Project tutorial by Bcjams
Simple metal detector capable of detecting a small coin at a distance of 4-5 cm.
I build this device to stop myself from touching my face.
Project tutorial by ChenTheDesignMaker
A cheap DIY air quality monitoring device.
An interesting way to increase sensitivity and reduce the noise of the ADXL335 analog accelerometer.
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