Internal Resistance Test 18650 Lithium Battery Tester - 12V

DC90V20A Wattmeter Spannung Strom Power Kapazität Meter Energie Tester Ladung und Entladung Messung

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Drahtlose DC 120V 100A VOLT AMP AH SOC Verbleibenden Kapazität

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Entladung Tester Spannungsprüfung für 18650 Li-Ionen-Lithium-Batterie 0.01V ~ 8.99V

int sensor=A0;  //analoger Eingang A0 wird mit der Variable sensor ausgelesenint messwert;  //Variable messwert wir definiert int volt;  // Variable volt wird definiert 
int ledgruen = 12;int ledgelb = 11;int ledrot = 10;    void setup(){ pinMode(ledgruen, OUTPUT);  pinMode(ledgelb, OUTPUT);  pinMode(ledrot, OUTPUT);  Serial.begin(9600);  //Verbindung zum seriellen Monitor}void loop(){     float messwert=analogRead(sensor); //wert von A0(sensor) wird in der Variable Messwert gespeichert  float volt=messwert/1024*5;  //Variable volt wird berechnet durch: messwert: 1024* volt  Serial.println(volt); //Ausgabe der Variable volt auf den seriellen Monitor  delay(500); //Pause 500ms    if(volt>=1.4){    digitalWrite(ledgruen,HIGH);     }   else{     digitalWrite(ledgruen,LOW);   }      if (volt<1.4&&volt>=1.2){      digitalWrite(ledgelb,HIGH);        }   else{    digitalWrite(ledgelb,LOW);   }  if(volt<1.2){    digitalWrite(ledrot,HIGH);  } else{    digitalWrite(ledrot,LOW);  }}

#define A_PIN 1#define NUM_READS 100#define pinRelay 7const float typVbg = 1.095; // 1.0 -- 1.2float Voff = 2.5; //  float I;float cap = 0;float V;float Vcc;float Wh = 0;unsigned long prevMillis;unsigned long testStart;void setup() {  Serial.begin(9600);  pinMode(pinRelay, OUTPUT);  Serial.println("Press any key to start the test...");  while (Serial.available() == 0) {  }  Serial.println("Test is launched...");  Serial.print("s");  Serial.print(" ");  Serial.print("V");  Serial.print(" ");  Serial.print("mA");  Serial.print(" ");  Serial.print("mAh");  Serial.print(" ");  Serial.print("Wh");  Serial.print(" ");  Serial.println("Vcc");  digitalWrite(pinRelay, HIGH);  testStart = millis();  prevMillis = millis();}void loop() {  Vcc = readVcc(); //    V = (readAnalog(A_PIN) * Vcc) / 1023.000; //    if (V > 0.01) I = -13.1 * V * V + 344.3 * V + 23.2; //      else I=0;  cap += (I * (millis() - prevMillis) / 3600000); //      Wh += I * V * (millis() - prevMillis) / 3600000000; //      prevMillis = millis();  sendData(); //       if (V < Voff) { //         digitalWrite(pinRelay, LOW);    Serial.println("Test is done");    while (2 > 1) {    }  }}void sendData() {  Serial.print((millis() - testStart) / 1000);  Serial.print(" ");  Serial.print(V, 3);  Serial.print(" ");  Serial.print(I, 1);  Serial.print(" ");  Serial.print(cap, 0);  Serial.print(" ");  Serial.print(Wh, 2);  Serial.print(" ");  Serial.println(Vcc, 3);}float readAnalog(int pin) {  // read multiple values and sort them to take the mode  int sortedValues[NUM_READS];  for (int i = 0; i < NUM_READS; i++) {    delay(25);    int value = analogRead(pin);    int j;    if (value < sortedValues[0] || i == 0) {      j = 0; //insert at first position    }    else {      for (j = 1; j < i; j++) {        if (sortedValues[j - 1] <= value && sortedValues[j] >= value) {          // j is insert position          break;        }      }    }    for (int k = i; k > j; k--) {      // move all values higher than current reading up one position      sortedValues[k] = sortedValues[k - 1];    }    sortedValues[j] = value; //insert current reading  }  //return scaled mode of 10 values  float returnval = 0;  for (int i = NUM_READS / 2 - 5; i < (NUM_READS / 2 + 5); i++) {    returnval += sortedValues[i];  }  return returnval / 10;}float readVcc() {  // read multiple values and sort them to take the mode  float sortedValues[NUM_READS];  for (int i = 0; i < NUM_READS; i++) {    float tmp = 0.0;    ADMUX = _BV(REFS0) | _BV(MUX3) | _BV(MUX2) | _BV(MUX1);    ADCSRA |= _BV(ADSC); // Start conversion    delay(25);    while (bit_is_set(ADCSRA, ADSC)); // measuring    uint8_t low = ADCL; // must read ADCL first - it then locks ADCH    uint8_t high = ADCH; // unlocks both    tmp = (high << 8) | low;    float value = (typVbg * 1023.0) / tmp;    int j;    if (value < sortedValues[0] || i == 0) {      j = 0; //insert at first position    }    else {      for (j = 1; j < i; j++) {        if (sortedValues[j - 1] <= value && sortedValues[j] >= value) {          // j is insert position          break;        }      }    }    for (int k = i; k > j; k--) {      // move all values higher than current reading up one position      sortedValues[k] = sortedValues[k - 1];    }    sortedValues[j] = value; //insert current reading  }  //return scaled mode of 10 values  float returnval = 0;  for (int i = NUM_READS / 2 - 5; i < (NUM_READS / 2 + 5); i++) {    returnval += sortedValues[i];  }  return returnval / 10;}