DIY Static Charge Monitor - Electrostatic Field Detector (Arduino & TL071)

1int charge = 0;
2
3void SendString(byte InstrNo, int MValue) {
4 Serial.print('#');
5 Serial.print(InstrNo);
6 Serial.print('M');
7 Serial.print(MValue);
8  Serial.print('<');
9}
10
11
12// the setup routine runs once when you press reset:
13void setup() {
14  // initialize serial communication at 9600 bits per second:
15  Serial.begin(9600);
16}
17
18// the loop routine runs over and over again forever:
19void loop() {
20  // read the input on analog pin 0:
21  int sensorValue = analogRead(A0);
22  // print out the value you read:
23  Serial.println(sensorValue);
24  int charge = map(sensorValue,0,500,0,100);
25//  Serial.println(charge);
26//  delay(1000);
27
28    SendString(1,charge);       // Instrument #01
29    SendString(2,charge);       // Instrument #02
30    SendString(3,charge);       // Instrument #03
31    delay(100);
32  }