In the last installment we looked at the ultrasonic hardware used in the development of a software designed ultrasonic data transmission system we are calling the SDU-X. In this second, and last, ...
Software-defined radios, or SDRs, persevere as a lively topic of discussion. An SDR enables a given radio to tune to variable frequencies to meet the specifications of different applications and ...
I needed to come up with a communications device to transmit a handful of bytes, every hour, from a small off-grid solar system to my shop about 150 feet away. The first thought was Wi-Fi, but I ...