DFRobot DFR0489 Handbuch - Seite 7

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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) == ENC_TYPE_NONE)?" ":"*");