may not be an actual spy — then again, he may be; if he’s good at it, we wouldn’t know...
oscillator
In our surface-mount age, it’s easy to be jaded about miniaturization. We pretty much expect every circuit to be dimensionally...
A few months ago we brought you some experiments from , in which he investigated the use of a glue...
The proliferation of software-defined radio (SDR) technology has been a godsend for RF hobbyists. SDR-based receivers and transmitters have gotten...
Over the years the humble 555 timer has been used in so many unexpected places, but there’s a project from which...
In a world with software-defined radios and single-chip receivers, a superheterodyne shortwave radio might not exactly score high on the...