A 100-channel pulse height analyzer for displaying particle size distributions from the output of a ZBI Coulter counter has been built using readily available low cost IC's. An outline of the complete ...

Audio frequency detection is the process of identifying the pitch or dominant frequency of a sound signal. Three common methods used are Fast Fourier Transform (FFT), AutoCorrelation, and ...

Small computer board platforms, such as Arduino, Raspberry Pi, and micro: bit are very common, cheap, and useful tools to teach modern technology, coding, and experimenting in different disciplines at ...

A Simple Arduino Bluetooth Music Receiver and Sender for the ESP32. The ESP32 is a microcontroller that provides an API for Bluetooth A2DP which can be used to receive sound data e.g. from your Mobile ...