We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. [Udo] hit upon the idea of pulsing a laser pointer and measuring the time of the ...

[Jens]’ device consists of an Arduino, LCD display ... By carefully calibrating a TGS822 sensor, [Jens] was able to measure the acetone content of an exhaled breath along with temperature ...

In a nutshell, sound localization involves detecting sound from four microphones simultaneously, identifying the highest ...

One of the most popular Elektor projects in 2015 was Burkhard Kainka's medium-wave AM transmitter design. Let’s revisit the ...

A team of innovators has created a low-cost, portable CO2 meter using Arduino to make science education accessible and raise ...