Every so often we run across something in the Hackaday tip line that sends us scurrying to Google, trying to source a component, part, or assembly. The ESP8266 WiFi module is the latest, made ...

The ESP8266 is the answer to “I want something with Wifi.” Surprisingly, there are a number of engineers and hobbyists who have not heard of this chip or have heard of it but don’t really understand ...

To discourage cheating, high schools and colleges limit what gadgets can be brought into an exam, and they require students to use very basic calculators if math is involved. But that doesn’t mean ...