18650 Discharge tester
OK circuit below for the discharge tester, PLEASE PLEASE dont use the one in the video, I dropped a ball on that one and made a mistake.
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// 18650 battery capacity tester // gives a serial out of the capacity of up to 16 batteries via a RS232 serial port // port settings are 115200/8/n/1 // video of build and circuit drawing @ // https://youtu.be/w0O0Es9belg // http://martinelectronics.co.uk/wp/?p=136 #include <Wire.h> // Comes with Arduino IDE // Get the LCD I2C Library here: // https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads // Move any other LCD libraries to another folder or delete them // See Library "Docs" folder for possible commands etc. #include <LiquidCrystal_I2C.h> // set the LCD address to 0x27 for a 20 chars 4 line display // you may need to run an I2C address program to find the address for your LCD // Set the pins on the I2C chip used for LCD connections: // addr, en,rw,rs,d4,d5,d6,d7,bl,blpol //LiquidCrystal_I2C lcd(0x27, 4, 5, 6, 0, 1, 2, 3, 7, NEGATIVE); // Set the LCD I2C address //LiquidCrystal_I2C lcd(0x27, 4, 5, 6, 0, 1, 2, 3, 7, POSITIVE); // Set the LCD I2C address LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Addr, En, Rw, Rs, d4, d5, d6, d7, backlighpin, polarity #include <TimerOne.h> //Setup port pins int FetGate0 = 2; int FetGate1 = 3; int FetGate2 = 4; int FetGate3 = 5; int FetGate4 = 6; int FetGate5 = 7; int FetGate6 = 8; int FetGate7 = 9; int FetGate8 = 10; int FetGate9 = 11; int FetGate10 = 12; int FetGate11 = 13; int FetGate12 = 14; int FetGate13 = 15; int FetGate14 = 16; int FetGate15 = 17; int Switch0 = 30; // switch for menu up (connect to ground to function) int Switch1 = 32; // switch for menu down (connect to ground to function) //------------------------- float Voltage0 = 0; //Memory location to store current battery voltage float Voltage1 = 0; float Voltage2 = 0; float Voltage3 = 0; float Voltage4 = 0; float Voltage5 = 0; float Voltage6 = 0; float Voltage7 = 0; float Voltage8 = 0; float Voltage9 = 0; float Voltage10 = 0; float Voltage11 = 0; float Voltage12 = 0; float Voltage13 = 0; float Voltage14 = 0; float Voltage15 = 0; //------------------------- float FirstVoltage0 = 0; //Memory location to store the first recorded voltage of the cell when first plugged in. float FirstVoltage1 = 0; float FirstVoltage2 = 0; float FirstVoltage3 = 0; float FirstVoltage4 = 0; float FirstVoltage5 = 0; float FirstVoltage6 = 0; float FirstVoltage7 = 0; float FirstVoltage8 = 0; float FirstVoltage9 = 0; float FirstVoltage10 = 0; float FirstVoltage11 = 0; float FirstVoltage12 = 0; float FirstVoltage13 = 0; float FirstVoltage14 = 0; float FirstVoltage15 = 0; byte enableFirstRead0 = 0; // Memory location for recording if we have taken first voltage recording, saved in bits byte enableFirstRead1 = 0; //------------------------- float Current0 = 0; float Current1 = 0; float Current2 = 0; float Current3 = 0; float Current4 = 0; float Current5 = 0; float Current6 = 0; float Current7 = 0; float Current8 = 0; float Current9 = 0; float Current10 = 0; float Current11 = 0; float Current12 = 0; float Current13 = 0; float Current14 = 0; float Current15 = 0; //------------------------- float Capacity0 = 0; float Capacity1 = 0; float Capacity2 = 0; float Capacity3 = 0; float Capacity4 = 0; float Capacity5 = 0; float Capacity6 = 0; float Capacity7 = 0; float Capacity8 = 0; float Capacity9 = 0; float Capacity10 = 0; float Capacity11 = 0; float Capacity12 = 0; float Capacity13 = 0; float Capacity14 = 0; float Capacity15 = 0; //------------------------- #define resistor 10 // sets the ohms of the load resistor #define cutOff 3.0 // sets the cut off point to prevent over discharge //------------------------- int Batt0 = 0; //A0 int Batt1 = 1; //A1 int Batt2 = 2; //A2 int Batt3 = 3; //A3 int Batt4 = 4; //A4 int Batt5 = 5; //A5 int Batt6 = 6; //A6 int Batt7 = 7; //A7 int Batt8 = 8; //A8 int Batt9 = 9; //A9 int Batt10 = 10; //A10 int Batt11 = 11; //A11 int Batt12 = 12; //A12 int Batt13 = 13; //A13 int Batt14 = 14; //A14 int Batt15 = 15; //A15 //------------------------- float Vin = 4.99; //input voltage to arduino board, measure with multi meter and change the value here - important to get good results float adcBits = 1024; //number of bits in ADC, arduinos are 10 bit float vFactor = 0; // memory for voltage calculation //------------------------- float Time0=0; float Time1=0; float Time2=0; float Time3=0; float Time4=0; float Time5=0; float Time6=0; float Time7=0; float Time8=0; float Time9=0; float Time10=0; float Time11=0; float Time12=0; float Time13=0; float Time14=0; float Time15=0; //------------------------- int SerialCount = 9; int SerialCheck = 10; byte lcdSwitch = 0; //=========================================== void setup() { // put your setup code here, to run once: //Setup serial comms Serial.begin (115200); //------------------------------------------------------------------------------------------------------ //Send message out via LCD and Serial port about what we are vFactor = Vin/adcBits; //work out the voltage factor Serial.println ("StartUp......"); Serial.println ("18650 Capacity Tester - by Alex R Martin @ http://ev-north.co.uk"); Serial.print ("Voltage Factor = "); Serial.println (vFactor, 4); Serial.print ("Load Resistor Value = "); Serial.println (resistor); Serial.println ("Program start...... "); lcd.begin(20,4); // initialize the lcd for 20 chars 4 lines // NOTE: Cursor Position: CHAR, LINE) start at 0 lcd.setCursor(3,0); //Start at character 4 on line 0 lcd.print("18650 Capacity"); delay(500); lcd.setCursor(7,1); lcd.print("Tester"); delay(500); lcd.setCursor(3,2); lcd.print("EV-North.co.uk"); delay(1000); lcd.clear(); lcd.setCursor(0,0); lcd.print ("StartUp......"); lcd.setCursor(0,1); lcd.print ("V Factor = "); lcd.print (vFactor, 4); lcd.setCursor(0,2); lcd.print ("Load Value = "); lcd.print (resistor); lcd.print (" Ohm"); lcd.setCursor(0,7); lcd.print ("Program start...... "); delay(4000); lcd.clear(); // Wait and then clear the screen ready for testing //------------------------------------------------------------------------------------------------------ //Setup I/O ports pinMode(FetGate0, OUTPUT); pinMode(FetGate1, OUTPUT); pinMode(FetGate2, OUTPUT); pinMode(FetGate3, OUTPUT); pinMode(FetGate4, OUTPUT); pinMode(FetGate5, OUTPUT); pinMode(FetGate6, OUTPUT); pinMode(FetGate7, OUTPUT); pinMode(FetGate8, OUTPUT); pinMode(FetGate9, OUTPUT); pinMode(FetGate10, OUTPUT); pinMode(FetGate11, OUTPUT); pinMode(FetGate12, OUTPUT); pinMode(FetGate13, OUTPUT); pinMode(FetGate14, OUTPUT); pinMode(FetGate15, OUTPUT); //Ensure all FETs are off digitalWrite (FetGate0, LOW); digitalWrite (FetGate1, LOW); digitalWrite (FetGate2, LOW); digitalWrite (FetGate3, LOW); digitalWrite (FetGate4, LOW); digitalWrite (FetGate5, LOW); digitalWrite (FetGate6, LOW); digitalWrite (FetGate7, LOW); digitalWrite (FetGate8, LOW); digitalWrite (FetGate9, LOW); digitalWrite (FetGate10, LOW); digitalWrite (FetGate11, LOW); digitalWrite (FetGate12, LOW); digitalWrite (FetGate13, LOW); digitalWrite (FetGate14, LOW); digitalWrite (FetGate15, LOW); //------------------------------------------------------------------------------------------------------ pinMode(Switch0, INPUT_PULLUP); pinMode(Switch1, INPUT_PULLUP); //------------------------------------------------------------------------------------------------------ //Setup timer Timer1.initialize(1000000); Timer1.attachInterrupt(checkBatt); } //=========================================== void loop() { // put your main code here, to run repeatedly: if (digitalRead (Switch0) == LOW){ delay (20); // { lcdSwitch++; //increment counter if (lcdSwitch == 16){ lcdSwitch = 0; //zero counter if we have got to 15 } // } } do{} // waste time until switch is released. while (digitalRead (Switch0) == LOW); if (digitalRead (Switch1) == LOW){ delay (20); // { lcdSwitch--; //increment counter if (lcdSwitch == 255){ lcdSwitch = 15; //zero counter if we have got to 15 } // } } do{} // waste time until switch is released. while (digitalRead (Switch1) == LOW); lcdUpdate(); //endlessly check and update the LCD } //=========================================== void checkBatt() { SerialCount++; //increment seconds counter //-------------- Batt 0 --------------------- Voltage0 = analogRead(Batt0); Voltage0 = (Voltage0*vFactor); delay (10); //allow ADC to settle Voltage0 = analogRead(Batt0); // read adc for second time to get stable reading Voltage0 = (Voltage0*vFactor); // calculat voltage if (Voltage0 > cutOff){ if (bitRead (enableFirstRead0,0) == 0){ FirstVoltage0 = Voltage0; // save voltage bitSet (enableFirstRead0,0); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate0, HIGH); Current0 = Voltage0/resistor; Capacity0 = Capacity0+Current0/3600; //3600 seconds in an hour Time0++; //increment seconds counter } if (Voltage0 < cutOff){ digitalWrite (FetGate0, LOW); } //Print Results to Serial if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 0 Voltage = "); Serial.print (Voltage0, 4); Serial.print (", Current = "); Serial.print (Current0, 4); Serial.print (", Capacity = "); Serial.print (Capacity0, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time0); } //-------------- Batt 1 --------------------- Voltage1 = analogRead(Batt1); Voltage1 = (Voltage1*vFactor); delay (10); //allow ADC to settle Voltage1 = analogRead(Batt1); // read adc for second time to get stable reading Voltage1 = (Voltage1*vFactor); // calculate voltage if (Voltage1 > cutOff){ if (bitRead (enableFirstRead0,1) == 0){ FirstVoltage1 = Voltage1; bitSet (enableFirstRead0,1); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate1, HIGH); Current1 = Voltage1/resistor; Capacity1 = Capacity1+Current1/3600; Time1++; //increment seconds counter } if (Voltage1 < cutOff){ digitalWrite (FetGate1, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 1 Voltage = "); Serial.print (Voltage1, 4); Serial.print (", Current = "); Serial.print (Current1, 4); Serial.print (", Capacity = "); Serial.print (Capacity1, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time1); } //-------------- Batt 2 --------------------- Voltage2 = analogRead(Batt2); Voltage2 = (Voltage2*vFactor); delay (10); //allow ADC to settle Voltage2 = analogRead(Batt2); // read adc for second time to get stable reading Voltage2 = (Voltage2*vFactor); // calculate voltage if (Voltage2 > cutOff){ if (bitRead (enableFirstRead0,2) == 0){ FirstVoltage2 = Voltage2; bitSet (enableFirstRead0,2); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate2, HIGH); Current2 = Voltage2/resistor; Capacity2 = Capacity2+Current2/3600; Time2++; //increment seconds counter } if (Voltage2 < cutOff){ digitalWrite (FetGate2, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 2 Voltage = "); Serial.print (Voltage2, 4); Serial.print (", Current = "); Serial.print (Current2, 4); Serial.print (", Capacity = "); Serial.print (Capacity2, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time2); } //-------------- Batt 3 --------------------- Voltage3 = analogRead(Batt3); Voltage3 = (Voltage3*vFactor); delay (10); //allow ADC to settle Voltage3 = analogRead(Batt3); // read adc for second time to get stable reading Voltage3 = (Voltage3*vFactor); // calculate voltage if (Voltage3 > cutOff){ if (bitRead (enableFirstRead0,3) == 0){ FirstVoltage3 = Voltage3; bitSet (enableFirstRead0,3); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate3, HIGH); Current3 = Voltage3/resistor; Capacity3 = Capacity3+Current3/3600; Time3++; //increment seconds counter } if (Voltage3 < cutOff){ digitalWrite (FetGate3, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 3 Voltage = "); Serial.print (Voltage3, 4); Serial.print (", Current = "); Serial.print (Current3, 4); Serial.print (", Capacity = "); Serial.print (Capacity3, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time3); } //-------------- Batt 4 --------------------- Voltage4 = analogRead(Batt4); Voltage4 = (Voltage4*vFactor); delay (10); //allow ADC to settle Voltage4 = analogRead(Batt4); // read adc for second time to get stable reading Voltage4 = (Voltage4*vFactor); // calculate voltage if (Voltage4 > cutOff){ if (bitRead (enableFirstRead0,4) == 0){ FirstVoltage4 = Voltage4; bitSet (enableFirstRead0,4); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate4, HIGH); Current4 = Voltage4/resistor; Capacity4 = Capacity4+Current4/3600; Time4++; //increment seconds counter } if (Voltage4 < cutOff){ digitalWrite (FetGate4, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 4 Voltage = "); Serial.print (Voltage4, 4); Serial.print (", Current = "); Serial.print (Current4, 4); Serial.print (", Capacity = "); Serial.print (Capacity4, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time4); } //-------------- Batt 5 --------------------- Voltage5 = analogRead(Batt5); Voltage5 = (Voltage5*vFactor); delay (10); //allow ADC to settle Voltage5 = analogRead(Batt5); // read adc for second time to get stable reading Voltage5 = (Voltage5*vFactor); // calculate voltage if (Voltage5 > cutOff){ if (bitRead (enableFirstRead0,5) == 0){ FirstVoltage5 = Voltage5; bitSet (enableFirstRead0,5); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate5, HIGH); Current5 = Voltage5/resistor; Capacity5 = Capacity5+Current5/3600; Time5++; //increment seconds counter } if (Voltage5 < cutOff){ digitalWrite (FetGate5, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 5 Voltage = "); Serial.print (Voltage5, 4); Serial.print (", Current = "); Serial.print (Current5, 4); Serial.print (", Capacity = "); Serial.print (Capacity5, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time5); } //-------------- Batt 6 --------------------- Voltage6 = analogRead(Batt6); Voltage6 = (Voltage6*vFactor); delay (10); //allow ADC to settle Voltage6 = analogRead(Batt6); // read adc for second time to get stable reading Voltage6 = (Voltage6*vFactor); // calculate voltage if (Voltage6 > cutOff){ if (bitRead (enableFirstRead0,6) == 0){ FirstVoltage6 = Voltage6; bitSet (enableFirstRead0,6); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate6, HIGH); Current6 = Voltage6/resistor; Capacity6 = Capacity6+Current6/3600; Time6++; //increment seconds counter } if (Voltage6 < cutOff){ digitalWrite (FetGate6, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 6 Voltage = "); Serial.print (Voltage6, 4); Serial.print (", Current = "); Serial.print (Current6, 4); Serial.print (", Capacity = "); Serial.print (Capacity6, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time6); } //-------------- Batt 7 --------------------- Voltage7 = analogRead(Batt7); Voltage7 = (Voltage7*vFactor); delay (10); //allow ADC to settle Voltage7 = analogRead(Batt7); // read adc for second time to get stable reading Voltage7 = (Voltage7*vFactor); // calculate voltage if (Voltage7 > cutOff){ if (bitRead (enableFirstRead0,7) == 0){ FirstVoltage7 = Voltage7; bitSet (enableFirstRead0,7); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate7, HIGH); Current7 = Voltage7/resistor; Capacity7 = Capacity7+Current7/3600; Time7++; //increment seconds counter } if (Voltage7 < cutOff){ digitalWrite (FetGate7, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 7 Voltage = "); Serial.print (Voltage7, 4); Serial.print (", Current = "); Serial.print (Current7, 4); Serial.print (", Capacity = "); Serial.print (Capacity7, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time7); } //-------------- Batt 8 --------------------- Voltage8 = analogRead(Batt8); Voltage8 = (Voltage8*vFactor); delay (10); //allow ADC to settle Voltage8 = analogRead(Batt8); // read adc for second time to get stable reading Voltage8 = (Voltage8*vFactor); //calculate voltage if (Voltage8 > cutOff){ if (bitRead (enableFirstRead1,0) == 0){ FirstVoltage8 = Voltage8; bitSet (enableFirstRead1,0); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate8, HIGH); Current8 = Voltage8/resistor; Capacity8 = Capacity8+Current8/3600; Time8++; //increment seconds counter } if (Voltage8 < cutOff){ digitalWrite (FetGate8, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 8 Voltage = "); Serial.print (Voltage8, 4); Serial.print (", Current = "); Serial.print (Current8, 4); Serial.print (", Capacity = "); Serial.print (Capacity8, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time8); } //-------------- Batt 9 --------------------- Voltage9 = analogRead(Batt9); Voltage9 = (Voltage9*vFactor); delay (10); //allow ADC to settle Voltage9 = analogRead(Batt9); // read adc for second time to get stable reading Voltage9 = (Voltage9*vFactor); // calculate voltage if (Voltage9 > cutOff){ if (bitRead (enableFirstRead1,1) == 0){ FirstVoltage9 = Voltage9; bitSet (enableFirstRead1,1); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate9, HIGH); Current9 = Voltage9/resistor; Capacity9 = Capacity9+Current9/3600; Time9++; //increment seconds counter } if (Voltage9 < cutOff){ digitalWrite (FetGate9, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 9 Voltage = "); Serial.print (Voltage9, 4); Serial.print (", Current = "); Serial.print (Current9, 4); Serial.print (", Capacity = "); Serial.print (Capacity9, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time9); } //-------------- Batt 10 --------------------- Voltage10 = analogRead(Batt10); Voltage10 = (Voltage10*vFactor); delay (10); //allow ADC to settle Voltage10 = analogRead(Batt10); // read adc for second time to get stable reading Voltage10 = (Voltage10*vFactor); // calculate voltage if (Voltage10 > cutOff){ if (bitRead (enableFirstRead1,2) == 0){ FirstVoltage10 = Voltage10; bitSet (enableFirstRead1,2); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate10, HIGH); Current10 = Voltage10/resistor; Capacity10 = Capacity10+Current10/3600; Time10++; //increment seconds counter } if (Voltage10 < cutOff){ digitalWrite (FetGate10, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 10 Voltage = "); Serial.print (Voltage10, 4); Serial.print (", Current = "); Serial.print (Current10, 4); Serial.print (", Capacity = "); Serial.print (Capacity10, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time10); } //-------------- Batt 11 --------------------- Voltage11 = analogRead(Batt11); Voltage11 = (Voltage11*vFactor); delay (10); //allow ADC to settle Voltage11 = analogRead(Batt11); // read adc for second time to get stable reading Voltage11 = (Voltage11*vFactor); // calculate voltage if (Voltage11 > cutOff){ if (bitRead (enableFirstRead1,3) == 0){ FirstVoltage11 = Voltage11; bitSet (enableFirstRead1,3); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate11, HIGH); Current11 = Voltage11/resistor; Capacity11 = Capacity11+Current11/3600; Time11++; //increment seconds counter } if (Voltage11 < cutOff){ digitalWrite (FetGate11, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 11 Voltage = "); Serial.print (Voltage11, 4); Serial.print (", Current = "); Serial.print (Current11, 4); Serial.print (", Capacity = "); Serial.print (Capacity11, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time11); } //-------------- Batt 12 --------------------- Voltage12 = analogRead(Batt12); Voltage12 = (Voltage12*vFactor); delay (10); //allow ADC to settle Voltage12 = analogRead(Batt12); // read adc for second time to get stable reading Voltage12 = (Voltage12*vFactor); // calculate voltage if (Voltage12 > cutOff){ if (bitRead (enableFirstRead1,4) == 0){ FirstVoltage12 = Voltage12; bitSet (enableFirstRead1,4); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate12, HIGH); Current12 = Voltage12/resistor; Capacity12 = Capacity12+Current12/3600; Time12++; //increment seconds counter } if (Voltage12 < cutOff){ digitalWrite (FetGate12, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 12 Voltage = "); Serial.print (Voltage12, 4); Serial.print (", Current = "); Serial.print (Current12, 4); Serial.print (", Capacity = "); Serial.print (Capacity12, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time12); } //-------------- Batt 13 --------------------- Voltage13 = analogRead(Batt13); Voltage13 = (Voltage13*vFactor); delay (10); //allow ADC to settle Voltage13 = analogRead(Batt13); // read adc for second time to get stable reading Voltage13 = (Voltage13*vFactor); // calculate voltage if (Voltage13 > cutOff){ if (bitRead (enableFirstRead1,5) == 0){ FirstVoltage13 = Voltage13; bitSet (enableFirstRead1,5); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate13, HIGH); Current13 = Voltage13/resistor; Capacity13 = Capacity13+Current13/3600; Time13++; //increment seconds counter } if (Voltage13 < cutOff){ digitalWrite (FetGate13, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 13 Voltage = "); Serial.print (Voltage13, 4); Serial.print (", Current = "); Serial.print (Current13, 4); Serial.print (", Capacity = "); Serial.print (Capacity13, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time13); } //-------------- Batt 14 --------------------- Voltage14 = analogRead(Batt14); Voltage14 = (Voltage14*vFactor); delay (10); //allow ADC to settle Voltage14 = analogRead(Batt14); // read adc for second time to get stable reading Voltage14 = (Voltage14*vFactor); // calculate voltage if (Voltage14 > cutOff){ if (bitRead (enableFirstRead1,6) == 0){ FirstVoltage14 = Voltage14; bitSet (enableFirstRead1,6); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate14, HIGH); Current14 = Voltage14/resistor; Capacity14 = Capacity14+Current14/3600; Time14++; //increment seconds counter } if (Voltage14 < cutOff){ digitalWrite (FetGate14, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 14 Voltage = "); Serial.print (Voltage14, 4); Serial.print (", Current = "); Serial.print (Current14, 4); Serial.print (", Capacity = "); Serial.print (Capacity14, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time14); } //-------------- Batt 15 --------------------- Voltage15 = analogRead(Batt15); Voltage15 = (Voltage15*vFactor); delay (10); //allow ADC to settle Voltage15 = analogRead(Batt15); // read adc for second time to get stable reading Voltage15 = (Voltage15*vFactor); // calculate voltage if (Voltage15 > cutOff){ if (bitRead (enableFirstRead1,7) == 0){ FirstVoltage15 = Voltage15; bitSet (enableFirstRead1,7); // set the bit so we do not take another voltage reading (so we know the original battery voltage) } digitalWrite (FetGate15, HIGH); Current15 = Voltage15/resistor; Capacity15 = Capacity15+Current15/3600; Time15++; //increment seconds counter } if (Voltage15 < cutOff){ digitalWrite (FetGate15, LOW); } //Print Results if (SerialCount > SerialCheck ){ //prints every 10 seconds Serial.print ("Battery 15 Voltage = "); Serial.print (Voltage15, 4); Serial.print (", Current = "); Serial.print (Current15, 4); Serial.print (", Capacity = "); Serial.print (Capacity15, 4); Serial.print ("Ah"); Serial.print (", Seconds Passed = "); Serial.println (Time15); SerialCount = 0; //clear counter } } //==================================================================================================== void lcdUpdate(){ //---------------------------------------------- //Display stats for Battery 0 to LCD if (lcdSwitch == 0){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 0 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage0, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage0, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity0, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 1 to LCD if (lcdSwitch == 1){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 1 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage1, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage1, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity1, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 2 to LCD if (lcdSwitch == 2){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 2 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage2, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage2, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity2, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 3 to LCD if (lcdSwitch == 3){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 3 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage3, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage3, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity3, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 4 to LCD if (lcdSwitch == 4){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 4 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage4, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage4, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity4, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 5 to LCD if (lcdSwitch == 5){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 5 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage5, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage5, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity5, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 6 to LCD if (lcdSwitch == 6){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 6 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage6, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage6, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity6, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 7 to LCD if (lcdSwitch == 7){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 7 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage7, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage7, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity7, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 8 to LCD if (lcdSwitch == 8){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 8 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage8, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage8, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity8, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 9 to LCD if (lcdSwitch == 9){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 9 Stats "); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage9, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage9, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity9, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 10 to LCD if (lcdSwitch == 10){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 10 Stats"); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage10, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage10, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity10, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 11 to LCD if (lcdSwitch == 11){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 11 Stats"); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage11, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage11, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity11, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 12 to LCD if (lcdSwitch == 12){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 12 Stats"); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage12, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage12, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity12, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 13 to LCD if (lcdSwitch == 13){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 13 Stats"); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage13, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage13, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity13, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 14 to LCD if (lcdSwitch == 14){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 14 Stats"); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage14, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage14, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity14, 4); lcd.print ("Ah"); } //---------------------------------------------- //Display stats for Battery 15 to LCD if (lcdSwitch == 15){ // lcd.clear(); lcd.setCursor(0,0); lcd.print ("Battery 15 Stats"); lcd.setCursor(0,1); lcd.print ("Original V = "); lcd.print (FirstVoltage15, 4); lcd.print ("V"); lcd.setCursor(0,2); lcd.print ("Live V = "); lcd.print (Voltage15, 4); lcd.print ("V"); lcd.setCursor(0,7); lcd.print ("Capacity = "); lcd.print (Capacity15, 4); lcd.print ("Ah"); } } |