Other Arduino Codes and Videos by Robojax
This tutorial by Robojax explains the WCS1800 Current Sensor, shows how to prepare wiring, explained the Arduino Code and at the end demonstrates measuring DC Current from 0.5A to 35A.
If you want to use two more sensors please see the code Here.
| Sensor Model | Maximum Current | mv/A Sensitivity |
| WCS38A25 | 0.25A | 7.0 |
| WCS37A50 | 0.5A | 3.5 |
| WCS2801 | 1A | 2.0 |
| WCS2702 | 2A | 1.0 |
| WCS2705 | 5A | 260.0 |
| WCS2810 | 10A | 135.0 |
| WCS2720 | 20A | 65.0 |
| WCS3740 | 40A | 32.0 |
| WCS1500 | 200A | 11.0 |
| WCS1600 | 100A | 22.0 |
| WCS1700 | 70A | 33.0 |
| WCS1800 | 35A | 66.0 |
| WCS2800 | 35A | 70.0 |
| WCS6800 | 35A | 65.0 |
/*
* Read the current Winson WCS Current sensor and display it on Serial monitor
* This is Arduino code based on Robojax WCS library
* for Winson WSC Current Sensor to measure current
*
* Watch video instructions for this code: https://youtu.be/z-s8UvCWGxY
* Written on July 26, 2020 by Ahmad Shamshiri in Ajax, Ontario, Canada
* www. Robojax.com
Model of the sensor to select
//dirct wiring series
0 "WCS38A25",//0
1 "WCS37A50",//1
2 "WCS2801",//2
3 "WCS2702",//3
4 "WCS2705",//4
5 "WCS2810",//5
6 "WCS2720",//6
7 "WCS2750",//7
8 "WCS3740",//8
//through hole sensor
9 "WCS1500",//9
10 "WCS1600",//10
11 "WCS1700",//11
12 "WCS1800",//12
13 "WCS2800",//13
14 "WCS6800",//14
//AC to DC Current sensor
15 "WCS2202",//15
* Get this code and other Arduino codes from Robojax.com
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* * This code is "AS IS" without warranty or liability. Free to be used as long as you keep this note intact.*
* This code has been download from Robojax.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <Wire.h>
#include <Robojax_WCS.h>
#define MODEL 12 //see list above
#define SENSOR_PIN A0 //pin for reading sensor
#define SENSOR_VCC_PIN 8 //pin for powring up the sensor
#define ZERO_CURRENT_LED_PIN 2 //zero current LED pin
#define ZERO_CURRENT_WAIT_TIME 5000 //wait for 5 seconds to allow zero current measurement
#define CORRECTION_VLALUE 164 //mA
#define MEASUREMENT_ITERATION 100
#define VOLTAGE_REFERENCE 5000.0 //5000mv is for 5V
#define BIT_RESOLUTION 10
#define DEBUT_ONCE true
Robojax_WCS sensor(
MODEL, SENSOR_PIN, SENSOR_VCC_PIN,
ZERO_CURRENT_WAIT_TIME, ZERO_CURRENT_LED_PIN,
CORRECTION_VLALUE, MEASUREMENT_ITERATION, VOLTAGE_REFERENCE,
BIT_RESOLUTION, DEBUT_ONCE
);
void setup()
{
Serial.begin(9600);
Serial.println("Robojax WCS Library");
sensor.start();
Serial.print("Sensor: "); Serial.println(sensor.getModel());
}
void loop()
{
sensor.readCurrent();//this must be inside loop
sensor.printCurrent();
//does somethig when current is equal or greator than 12.3A
if(sensor.getCurrent() >= 12.3)
{
// does somethig here
}
delay(500);
//sensor.printDebug();
}
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