Since some time, very cheap WLAN breakout boards with the SoC ESP8266 from China hits the market. Besides the possibility to extend your existing projects with WLAN (WiFi) access (eg. Arduino based ones) you can develop even simple Internet of Things applications without the need of an extra microcontroller.

Kurz vorgestellt: ESP8266 WLAN-Funkmodul mit serieller Schnittstelle, Breakoutboardtyp: ESP-05 - blog.simtronyx.de

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