An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...
HydroModem is a Bell 103 modem implementation to decode data from an always-on underwater hydrophone. Designed for low-power microcontrollers such as AVR ATmega328P, it can listen underwater long-term ...