Basic Demo; Material Required; Connections; Code - Seeed Grove - Mouse Encoder Quick Start Manual

Basic demo

This demo shows how to detect position and detect direction.

Material required


Seeeduino V4.2

Base shield V2.0

USB cable (type A to micro type B)

Connections

Connect materials as shown below:

Code

/* Read Quadrature Encoder
1
2 * Connect Encoder to Pins encoder0PinA, encoder0PinB, and +5V.
3 *
4 * Sketch by max wolf / www.meso.net
5 * v. 0.1 - very basic functions - mw 20061220
6 *
7 */
8
9
10 int val;
11 int encoder0PinA =
12 int encoder0PinB =
13 int encoder0Pos = 0;
14 int encoder0PinALast =
15 int n = LOW;
16
17 void setup() {
18 pinMode (encoder0PinA,INPUT);
19 pinMode (encoder0PinB,INPUT);
Serial.begin (115200);
20
}
21
22
23 void loop() {
24 n = digitalRead(encoder0PinA);
25 if ((encoder0PinALast == LOW) && (n == HIGH))
26 if (digitalRead(encoder0PinB) == LOW)
27 encoder0Pos--;
} else {
28
29 encoder0Pos++;
30 }
31 Serial.println(encoder0Pos);
32 Serial.println ("/");
}
33
34 encoder0PinALast =
35 }
3;
4;
LOW;
n;
{
{