说明
扫描可用的WiFi 网络并返回发现的号码
用法
WiFi.scanNetworks();
参数
空
返回
字节:发现的网络数
示例
#include <SPI.h>
#include <WiFi.h>
char ssid[] = "yourNetwork"; // the name of your network
void setup() {
Serial.begin(9600);
int status = WiFi.begin(ssid);
if (status != WL_CONNECTED) {
Serial.println("Couldn't get a WiFi connection");
while (true);
}
else {
// if you are connected, scan for available WiFi networks and print the number discovered:
Serial.println("** Scan Networks **");
byte numSsid = WiFi.scanNetworks();
Serial.print("Number of available WiFi networks discovered:");
Serial.println(numSsid);
}
}
void loop() {}
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注:本文由纯净天空筛选整理自arduino.cc大神的英文原创作品 WiFi - WiFi.scanNetworks()。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。