Record Arduino Variables Into a PC File

8 lines of code to setup and 1 line of code per variable for the Arduino, no programming on the PC side. USB-WiFi-Ethernet-Serial.

Feb 23, 2021

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3 respects

Components and supplies

DS18B20 Programmable Resolution 1-Wire Digital Thermometer

Arduino UNO

Tripod

Glass of water

Apps and platforms

WawiLib

Project description

Code

Read DS18B20 temperature and expose variable temperature for reading by WawiLib

arduino

1// read temperature DS18B20
2#include <OneWire.h> 
3#include <DallasTemperature.h>
4#include  <LiquidCrystal.h>
5
6OneWire oneWire(8); 
7DallasTemperature sensor(&oneWire);
8
9//  WawiLib library (lines 1&2):
10#include <WawiSerialUsb.h> 
11WawiSerialUsb WawiSrv;     
12
13float temperature;
14
15// make variable temperature visible to WawiLib  (lines 3&4):
16void wawiVarDef()          
17{
18  WawiSrv.wawiVar(temperature);  
19}
20
21void setup() 
22{
23    // Initialize serial object and WawiSerialUsb  object (lines 5&6)
24    // Init serial port (over USB):
25    Serial.begin(115200);  
26    // Init WawiSerialUsb object
27    WawiSrv.begin(wawiVarDef,Serial,"Empty  Demo Arduino"); 
28}
29
30void loop()
31{
32    // read DS18B20 values
33    sensor.requestTemperatures(); 
34    
35    // wait a bit, but keep communicatoin  allive (line 7)1
36    WawiSrv.delay(100);
37    
38    // read actual temperature:  
39    temperature=sensor.getTempCByIndex(0);
40    
41    // WawiLib housekeeping  (line 8)
42    WawiSrv.loop();
43}
44

// read temperature DS18B20
#include <OneWire.h> 
#include <DallasTemperature.h>
#include  <LiquidCrystal.h>

OneWire oneWire(8); 
DallasTemperature sensor(&oneWire);

//  WawiLib library (lines 1&2):
#include <WawiSerialUsb.h> 
WawiSerialUsb WawiSrv;     

float temperature;

// make variable temperature visible to WawiLib  (lines 3&4):
void wawiVarDef()          
{
  WawiSrv.wawiVar(temperature);  
}

void setup() 
{
    // Initialize serial object and WawiSerialUsb  object (lines 5&6)
    // Init serial port (over USB):
    Serial.begin(115200);  
    // Init WawiSerialUsb object
    WawiSrv.begin(wawiVarDef,Serial,"Empty  Demo Arduino"); 
}

void loop()
{
    // read DS18B20 values
    sensor.requestTemperatures(); 
    
    // wait a bit, but keep communicatoin  allive (line 7)1
    WawiSrv.delay(100);
    
    // read actual temperature:  
    temperature=sensor.getTempCByIndex(0);
    
    // WawiLib housekeeping  (line 8)
    WawiSrv.loop();
}

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