Created
October 2, 2019 07:26
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De Matze isch en dubel
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#include "LowPower.h" | |
#include "HX711.h" | |
#include <SPI.h> | |
#include <nRF24L01.h> | |
#include <RF24.h> | |
// Configuration | |
int sleeptime = 2; //seconds | |
const byte address[6] = "00001"; //tx-address | |
// Scale-Calibration | |
float offset = 196149.89; // raw-value with no load | |
float multiplier = 43260.02; // (raw-vlaue with 100kg load - raw-value with no load / 100) | |
struct airdataStruct{ | |
byte protokoll = 1; | |
int id = 1; | |
float gewicht; | |
} airdata; | |
int currentsleep = 0; | |
HX711 scale(A1, A0); | |
RF24 radio(7, 8); // CE, CSN | |
void setup() | |
{ | |
pinMode(13, OUTPUT); | |
Serial.begin(115200); | |
radio.begin(); | |
radio.openWritingPipe(address); | |
radio.setPALevel(RF24_PA_MAX); | |
radio.stopListening(); | |
} | |
void loop() | |
{ | |
if (currentsleep == sleeptime) { | |
currentsleep = 0; | |
scale.power_up(); | |
float reading = scale.read(); | |
reading = (reading-offset)/multiplier; | |
Serial.println(reading); | |
delay(5); | |
scale.power_down(); | |
airdata.gewicht = reading; | |
radio.write(&airdata, sizeof(airdata)); | |
} | |
else { | |
currentsleep++; | |
LowPower.powerDown(SLEEP_1S, ADC_OFF, BOD_OFF); | |
} | |
} |
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