How to make a simplest Arduino variometer for paragliding
Published 2023-06-12
The device is extremely simple to make and contains only a few components:
- Arduino Nano microcontroller
- BMP180 pressure sensor board
- Led diode
- and Buzzer
- Of course, there is also a Battery and a small switch.
It is very important that the device is mounted in a small compact box and is mechanically resistant. I use a metal box from Barkley's mints which is ideal for this particular device in terms of mechanical resistance and space for the battery and other components. To avoid sudden local pressure changes during wind gusts, the flow equalization is done through small holes in the box.
When you turn on the device, it plays the initial sound. Then, according to the relative change in pitch, the sound changes from deep to high-pitched sound and vice versa. The code uses the ToneAC library, which provides twice the buzzer sound.
Instructions, schematic diagram and Arduino code at:
https://create.arduino.cc/projecthub/mircemk/how-to-make-a-simplest-variometer-for-paragliding-efa95a
Visit my Youtube Channel for more Projects , DIY and How To Make videos:
https://www.youtube.com/c/MirkoPavleskiMK/videos
by mircemk
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