Hello. i have a serious problem with my multiplexed circuit its a 3digit 7 segment display twice 2 temp reader and 2 cd4511 i ive put my code and for the 1 set of temp and 3 digits worked nice but the second set prints on the 3 digit 7 segment doubled value i dont know what it is and i cant find the problem so i ask your help.
My circuit is here :
Here is the Code:
int temperature;
int second;
// Arduino pins connected to the 4511
const uint8_t LedA = 5;
const uint8_t LedB = 8;
const uint8_t LedC = 7;
const uint8_t LedD = 6;
const uint8_t LeA = 9;
const uint8_t LeB = 10;
const uint8_t LeC = 11;
const uint8_t LeD = 12;
// Arduino pins connected to the segment driver transistors
const uint8_t Led1 = 13;
const uint8_t Led2 = 2;
const uint8_t Led3 = 3;
const uint8_t Led4 = 4;
const uint8_t Led5 = A2;
const uint8_t Led6 = A3;
const uint8_t Led7 = A4;
const uint8_t Led8 = A5;
void setup()
{
// Let the Arduino know which pins go where
pinMode(LedA, OUTPUT);
pinMode(LedB, OUTPUT);
pinMode(LedC, OUTPUT);
pinMode(LedD, OUTPUT);
pinMode(LeA, OUTPUT);
pinMode(LeB, OUTPUT);
pinMode(LeC, OUTPUT);
pinMode(LeD, OUTPUT);
pinMode(Led1, OUTPUT);
pinMode(Led2, OUTPUT);
pinMode(Led3, OUTPUT);
pinMode(Led4, OUTPUT);
pinMode(Led5, OUTPUT);
pinMode(Led6, OUTPUT);
pinMode(Led7, OUTPUT);
pinMode(Led8, OUTPUT);
digitalWrite(Led1, LOW);
digitalWrite(Led2, LOW);
digitalWrite(Led3, LOW);
digitalWrite(Led4, LOW);
digitalWrite(Led5, LOW);
digitalWrite(Led6, LOW);
digitalWrite(Led7, LOW);
digitalWrite(Led8, LOW);
Serial.begin(9600);
}
void loop()
{
temperature = -40 + 0.488155 * (analogRead(A0) - 20);
second = -40 + 0.488155 * (analogRead(A1) - 20);
print_number(temperature);
print_number2(second);
Serial.print ("IN ");
Serial.print(temperature);
Serial.println(" C");
Serial.print ("OUT ");
Serial.print(second);
Serial.println(" C");
}
void print_number(unsigned i) {
static int l = 2;
set_digit(Led3, l, i/10 );
set_digit(Led2, l, i/1 );
}
void print_number2(unsigned n) {
static int d = 1;
set_digit2(Led7, d, n/10 );
set_digit2(Led6, d, n/1 );
}
void set_digit(const uint8_t sec, const unsigned l, const unsigned value) {
set_number(value);
digitalWrite(sec, HIGH);
delay(l);
digitalWrite(sec, LOW);
}
void set_digit2(const uint8_t led, const unsigned d, const unsigned value2) {
set_number2(value2);
digitalWrite(led, HIGH);
delay(d);
digitalWrite(led, LOW);
}
void set_number(const unsigned i) {
static const struct number {
uint8_t d;
uint8_t c;
uint8_t b;
uint8_t a;
} numbers[] = {
{ LOW, LOW, LOW, LOW}, /* 0 */
{ LOW, LOW, LOW, HIGH}, /* 1 */
{ LOW, LOW, HIGH, LOW}, /* 2 */
{ LOW, LOW, HIGH, HIGH}, /* 3 */
{ LOW, HIGH, LOW, LOW}, /* 4 */
{ LOW, HIGH, LOW, HIGH}, /* 5 */
{ LOW, HIGH, HIGH, LOW}, /* 6 */
{ LOW, HIGH, HIGH, HIGH}, /* 7 */
{HIGH, LOW, LOW, LOW}, /* 8 */
{HIGH, LOW, LOW, HIGH}, /* 9 */
};
digitalWrite(LedA, numbers[i%10].a);
digitalWrite(LedB, numbers[i%10].b);
digitalWrite(LedC, numbers[i%10].c);
digitalWrite(LedD, numbers[i%10].d);
}
void set_number2(const unsigned n) {
static const struct number {
uint8_t d;
uint8_t c;
uint8_t b;
uint8_t a;
} numbers[] = {
{ LOW, LOW, LOW, LOW}, /* 0 */
{ LOW, LOW, LOW, HIGH}, /* 1 */
{ LOW, LOW, HIGH, LOW}, /* 2 */
{ LOW, LOW, HIGH, HIGH}, /* 3 */
{ LOW, HIGH, LOW, LOW}, /* 4 */
{ LOW, HIGH, LOW, HIGH}, /* 5 */
{ LOW, HIGH, HIGH, LOW}, /* 6 */
{ LOW, HIGH, HIGH, HIGH}, /* 7 */
{HIGH, LOW, LOW, LOW}, /* 8 */
{HIGH, LOW, LOW, HIGH}, /* 9 */
};
digitalWrite(LeA, numbers[n%10].a);
digitalWrite(LeB, numbers[n%10].b);
digitalWrite(LeC, numbers[n%10].c);
digitalWrite(LeD, numbers[n%10].d);
}
and i cant display C on the digit and minus temperatures on minus temps writes weird numbers… the C is fixed if it is any way to fix those 3 problems?
Thanks in advance
Banned_L