The ESP8266 is a chip that turned a lot of heads recently, stuffing a WiFi radio, TCP/IP stack, and all the required bits to get a microcontroller on the Internet into a tiny, $5 module.

[Jon Bennett] sent us this link to his Wifi Robot. After playing with a Linksys ... This thing can be controlled over the internet, or by laptop with a range of about 500 meters.

“Uno R4 WiFi includes an error-catching mechanism that detects run-time crashes and provides detailed explanations and hints about the code line causing the crash,” according to Arduino – Electronics ...