A cheap DIY air quality monitoring device.
Project tutorial by Mirko Pavleski
An easy to build and use stereo RDS FM receiver with RDA5807.
An interesting way to increase sensitivity and reduce the noise of the ADXL335 analog accelerometer.
A simple electromagnetic sensor to measure current induced by a moving magnetic field!
by Jen Fox and Hacking STEM
This is a clock with its digits out of order. Within the apparent chaos is a beautiful order! Very easy to use including an alarm clock!
Project tutorial by LAGSILVA
Writing only Arduino code, it is easy to set up control over experiments and display results on your PC's panel application.
Of course it will be my pleasure
Use the "analogRead()" command,and determine the analog values when pressing the keys, and change them in original code. In" fm_receiverENOK " change values in "void loop" between" > "and "<"
Thank you very much for suggestions for improvements to this project. To emphasize once again that I have planned and developed the project in a very short time, so there is room for many improvements
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