The 8051 was an 8-bit Harvard-architecture microcontroller first put out by Intel in 1980.  They’ve since discontinued that ...
We’ve covered the Sonoff a few times–a very inexpensive box with an ESP8266, a power supply, and an AC relay along with a way to tap into a power cord. Very inexpensive means $5 or $6. The supplied ...
An icon in the shape of a lightning bolt. Impact Link The Jetsons may not have gotten everything right about the future, but even though we may not have flying cars or live in the sky (yet), one thing ...