If you want to do classic Arduino projects with wifi, check out the ESP8266 based boards. You can get wifi, a processor that's five times faster than a standard

If you want to do classic Arduino projects with wifi, check out the ESP8266 based boards. You can get wifi, a processor that's five times faster than a standard Arduino, and run Arduino code, all for $6.50. (The Arduino Yum in the article is $75, for comparison.)