lora control LED

 Receive the lora signal to control the on and off of the LED.

Author: Quency-D

examples/LoRa/LED_Control_lora_R/LED_Control_lora_R.ino

@@ -0,0 +1,48 @@
+/* 
+  Receive the lora signal to control the on and off of the LED.
+  Pull the 12th pin high to turn on the LED light.
+  Pull pin 13 high to turn off the LED light.
+  by Aaron.Lee from HelTec AutoMation, ChengDu, China
+  成都惠利特自动化科技有限公司
+  www.heltec.cn
+  
+  this project also realess in GitHub:
+  https://github.com/Heltec-Aaron-Lee/WiFi_Kit_series
+*/
+
+#include "heltec.h"
+#include "string.h"
+#include "stdio.h"
+#define LED 25
+#define BAND    868E6  //you can set band here directly,e.g. 868E6,915E6
+char Readback[50];
+void setup() {
+    //WIFI Kit series V1 not support Vext control
+  Heltec.begin(false /*DisplayEnable Enable*/, true /*Heltec.LoRa Disable*/, true /*Serial Enable*/, true /*PABOOST Enable*/, BAND /*long BAND*/);
+	pinMode(LED,OUTPUT);
+  digitalWrite(LED,LOW); 
+}
+
+void loop() {
+  // try to parse packet
+  int packetSize = LoRa.parsePacket();
+  if (packetSize) {
+    // received a packet
+    Serial.print("Received packet '");
+    // read packet
+    while (LoRa.available()) {
+	  sprintf(Readback+strlen(Readback),"%c",(char)LoRa.read());
+    }
+    Serial.print(Readback);
+	if(strncmp(Readback, "OpenLED", strlen(Readback)) == 0) {
+		digitalWrite(LED, HIGH); 
+	 }
+	else if(strncmp(Readback, "CloseLED", strlen(Readback)) == 0) {
+		digitalWrite(LED, LOW); 
+	 }
+	 memset(Readback,0,50);
+    // print RSSI of packet
+    Serial.print(" with RSSI ");
+    Serial.println(LoRa.packetRssi());
+  }
+}