If you’re trying to do that, you might find some value in the Tiny4FSK project ... sensor for location. The balloon can figure out where it is, and tell you the temperature, pressure, and ...

So, here are five cool ideas you can bring to life by combining your Arduino microcontroller with a Raspberry Pi SBC. Ever ...

It runs on an Arduino MEGA 2560 PRO (or similar microcontroller) and supports a wide array of additional hardware including pressure transducer, water level sensor, flow meter, OLED display ...