I recently won an Amazon Echo in a BBQ cooking competition and I was eager to get it set up in my house. As you may know, the Echo allows you to use voice commands to do things like order from Amazon, ...
[Pete] was building a hot tub controller, using a WEMOS board based on the venerable ESP8266. After assembly, the board was plugged into USB and [Pete] hit the flash ...
“You could’ve done that with a 555 timer.” But what if all you have on hand is an ESP8266? [TechColab] needed to control a solenoid valve with a short pulse via a solid-state relay (SSR) but found ...
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