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Temperature beacon example with Arduino and BTLE library
/*
* Emulates a nRF8001 temperature beacon;
* reads temperature from a DHT11 and sends it via BTLE.
* Compatible with Nordic Semiconductor apps such as
* nRF Master Control Panel or nRF Temp 2.0.
*/
#include <BTLE.h>
#include <SPI.h>
#include <RF24.h>
#include <dht.h>
RF24 radio(9,10);
BTLE btle(&radio);
dht DHT;
void setup() {
Serial.begin(57600);
while (!Serial) { }
Serial.println("BTLE temperature sender");
Serial.end();
// 8 chars max
btle.begin("SimoTemp");
}
void loop() {
DHT.read11(A0);
nrf_service_data buf;
buf.service_uuid = NRF_TEMPERATURE_SERVICE_UUID;
buf.value = BTLE::to_nRF_Float(DHT.temperature);
if(!btle.advertise(0x16, &buf, sizeof(buf))) {
Serial.begin(57600);
Serial.println("BTLE advertisement failure");
Serial.end();
}
btle.hopChannel();
delay(1000);
}
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