OSH Park on Twitter: "Discovering @ESP8266 friends at @Penguicon #IoT talk thanks to WiFi scanner on @mikerankin's OLED board https://t.co/fXRimut6x5 #penguicon https://t.co/1feqJKql0P" / Twitter
WiFi Serial Transceiver Module - Seeed Wiki
ESP8266 WIFI Scanner – Nick Agas
ESP8266 WiFi Scan (new ILI9341 lib) - YouTube
Arduino Slovakia - ESP8266 WiFi scanner
Long Range WiFi Scanner Using ESP8266 : 6 Steps (with Pictures) - Instructables