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- /*
- * This sketch demonstrates how to scan WiFi networks.
- * The API is almost the same as with the WiFi Shield library,
- * the most obvious difference being the different file you need to include:
- */
- #include "WiFi.h"
-
- void setup()
- {
- Serial.begin(115200);
-
- // Set WiFi to station mode and disconnect from an AP if it was previously connected
- WiFi.mode(WIFI_STA);
- WiFi.disconnect();
- delay(100);
-
- Serial.println("Setup done");
- }
-
- void loop()
- {
- Serial.println("scan start");
-
- // WiFi.scanNetworks will return the number of networks found
- int n = WiFi.scanNetworks();
- Serial.println("scan done");
- if (n == 0) {
- Serial.println("no networks found");
- } else {
- Serial.print(n);
- Serial.println(" networks found");
- for (int i = 0; i < n; ++i) {
- // Print SSID and RSSI for each network found
- Serial.print(i + 1);
- Serial.print(": ");
- Serial.print(WiFi.SSID(i));
- Serial.print(" (");
- Serial.print(WiFi.RSSI(i));
- Serial.print(")");
- Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?" ":"*");
- delay(10);
- }
- }
- Serial.println("");
-
- // Wait a bit before scanning again
- delay(5000);
- }
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