ESP8266 Remote Serial Port WiFi Wireless Module [ARD046] [C4-2] [www.tokopedia.com/bpraktis] - This incredibly affordable module is compatible with any official Arduino board and can be used for a wide variety of tasks from connecting to computers, laptops, mobile phones and more. The serial port module is a drop-in replacement that has a plug and play design for ease of use. [BelanjaPraktis*com] [0812 8800 5544] [www.tokopedia.com/bpraktis]