Add Wi-Fi to Arduino Boards for $3 with ESP8266 Wi-Fi Serial Module
ESP8266 Wi-Fi module is now even cheaper, there’s an active community around it, and several people have interfaced it with +Arduino boards.
![](https://sp-ao.shortpixel.ai/client/to_webp,q_lossless,ret_img,w_430,h_424/https://everythingesp.com/wp-content/uploads/2019/03/sEtfdc_Ql_EE5NGJFn9t9DRRy0OPvdI87CcLzsDfL4z3C6ehAr.jpg)
Add Wi-Fi to Arduino Boards for $3 with ESP8266 Wi-Fi Serial Module
ESP8266 Wi-Fi module is now even cheaper, there’s an active community around it, and several people have interfaced it with +Arduino boards.