Tutorial Arduino Mini Laser Turret Control. Project in progress by Josh From BreakoutBros.com. 15,768 views; 5 comments; 42 respects; This library allows an Arduino to easily display numbers and characters on a 4 digit 7-segment display without a separate 7-segment display. The Arduino platform includes both hardware and software products. In this tutorial, you’ll use Arduino hardware and Python software to learn about basic circuits, as well as digital and analog inputs and outputs. Hello everyone, the other day, I took the time to re-make my Arduino RFID Tutorial. I will provide a link to the Youtube video, and to my website. With more than 10 years team experienced in microelectronics and software engineering, Smraza, is a company focused on STEM education with products like opensource Located in Shenzhen, we have grown to over 100+ employees with a 8760+ square ft. A 74HC595 Shift Register is a 16 Pin SIPO IC. SIPO stands for Serial In and Parallel Out which means that it takes input serially one bit at a time and provides output parallelly or simultaneously on all the output pins.
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#define encoderDT 2
#define encoderCLK 3 // Interrupt
#define encoderSW 4
int previousDT;
int previousCLK;
int previousSW;
void setup()
{
Serial.begin(9600);
pinMode(encoderDT, INPUT_PULLUP);
pinMode(encoderCLK, INPUT_PULLUP);
pinMode(encoderSW, INPUT_PULLUP);
attachInterrupt(digitalPinToInterrupt(encoderCLK), doEncoder, CHANGE);
previousDT = digitalRead(encoderDT);
previousCLK = digitalRead(encoderCLK);
previousSW = digitalRead(encoderSW);
}
int encoderPos = 0;
int previousEncoderPos = 0;
void loop()
{
int actualSW = digitalRead(encoderSW); // Without debouncing
if (actualSW != previousSW)
{
Serial.print('SW= ');
Serial.println(actualSW);
previousSW = actualSW;
}
if(encoderPos > previousEncoderPos)
{
Serial.print(actualSW);
Serial.print(' ');
Serial.print(encoderPos);
Serial.println(' CW');
}
if(encoderPos < previousEncoderPos)
{
Serial.print(actualSW);
Serial.print(' ');
Serial.print(encoderPos);
Serial.println(' CCW');
}
previousEncoderPos = encoderPos;
// delay(1000);
delay(40);
}
void doEncoder()
{
int actualCLK = digitalRead(encoderCLK);
int actualEncoderDT = digitalRead(encoderDT);
if ((actualCLK 1) and (previousCLK 0))
{
if (actualEncoderDT 1)
encoderPos--;
else
encoderPos++;
}
if ((actualCLK 0) and (previousCLK 1))
{
if (actualEncoderDT 1)
encoderPos++;
else
encoderPos--;
}
previousCLK = actualCLK;
}