a-picture-is-worth-a-1000-words VS Encoder

Compare a-picture-is-worth-a-1000-words vs Encoder and see what are their differences.

a-picture-is-worth-a-1000-words

I am trying to describe complex matters in simple doodles! (by girliemac)

Encoder

Quadrature Encoder Library for Arduino (by PaulStoffregen)
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a-picture-is-worth-a-1000-words Encoder
7 14
11,072 521
- -
6.7 2.3
3 months ago about 2 months ago
C++
Creative Commons Attribution Share Alike 4.0 -
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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a-picture-is-worth-a-1000-words

Posts with mentions or reviews of a-picture-is-worth-a-1000-words. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-01-11.

Encoder

Posts with mentions or reviews of Encoder. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-26.
  • Spinner-mouse: Arduino-based USB rotary controller for Arkanoid, Tempest, etc.
    3 projects | news.ycombinator.com | 26 Mar 2024
    This project uses interrupts for the encoder. It uses the "Encoder" library mentioned in another comment.

    https://www.pjrc.com/teensy/td_libs_Encoder.html

  • Ask HN: What's your favorite illustration in Computer Science?
    6 projects | news.ycombinator.com | 11 Jan 2023
    I can't really come up with any good illustrations for something complex off the top of my head, so I'll go for a really simple one. In fact, that's part of it's beauty.

    When I had to deal with the signals from a rotary encoder the first time (being a programmer with two left hands and zero hardware affinity), I had a look at a couple of C libraries but didn't have the patience to slog through their implementations in order to understand what signals they were decoding.

    ...until I saw this: https://github.com/PaulStoffregen/Encoder/blob/master/Encode...

    I'm not sure if it was this exact library, but that's the comment I saw. Nice and obvious, in contrast to all the obscure attempts to convey what was happening all the other libs made through prose comments.

  • Nidec 24H question
    1 project | /r/Motors | 21 Dec 2022
    Search for quadrature encoder for Arduino (there is a library for that). Your motor has pin 1 and 2 as encoder output.
  • Let's talk about rotary encoders in a matrix
    1 project | /r/HotasDIY | 18 Dec 2022
    According to people who are more knowledgeable than I on this, encoders can be ran through 2 interrupt pins for best performance, but also just a single interrupt pin and still get decent performance on the encoder.
  • Quadrature decoding question
    2 projects | /r/arduino | 10 Oct 2022
  • How to code trackball on teensy
    1 project | /r/Teensy | 6 Oct 2022
    connect both X1 and X2 to digital pins and try the encoder library https://www.pjrc.com/teensy/td_libs_Encoder.html
  • Arduino Nano based heater control - Issues Compiling
    1 project | /r/arduino | 4 Oct 2022
    #include #include #include #include #include #include #include // Using PaulStoffregen/Encoder // https://github.com/PaulStoffregen/Encoder #include // Define Rotary Encoder Pins #define CLK_PIN 3 #define DATA_PIN 2 #define SW_PIN 4 // Adafruit_MAX31855 Pins #define thermoDO 8 #define thermoCS 9 #define thermoCLK 10 // Mosfet Pin #define mosfet_pin 11 // Serial Enable #define __DEBUG__ #define SCREEN_WIDTH 128 // OLED display width, in pixels #define SCREEN_HEIGHT 64 // OLED display height, in pixels #define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin) // Created by http://oleddisplay.squix.ch/ Consider a donation // In case of problems make sure that you are using the font file with the correct version! const uint8_t Open_Sans_Regular_6Bitmaps[] PROGMEM = { // Bitmap Data: 0x00, // ' ' 0xA2, // '!' 0x80, // '"' 0x43,0x3C,0x00, // '#' 0x0C,0x42,0xC0, // '$' 0xC2,0xC6,0x96, // '%' 0xE2,0x2D,0xE0, // '&' 0x80, // ''' 0x92,0x40, // '(' 0x89,0x28, // ')' 0x4E,0x40, // '*' 0x44,0x40, // '+' 0xA0, // ',' 0xC0, // '-' 0x80, // '.' 0x4A,0x40, // '/' 0xEA,0xAE, // '0' 0xA8, // '1' 0x62,0x4C, // '2' 0x62,0x2E, // '3' 0x26,0xE2, // '4' 0x44,0x2E, // '5' 0xCE,0xAE, // '6' 0x62,0x44, // '7' 0xE6,0xAE, // '8' 0xEA,0x62, // '9' 0x08, // ':' 0x0A, // ';' 0x04,0x40, // '<' 0x4E, // '=' 0x86,0x40, // '>' 0x48,0x00, // '?' 0x7B,0xED,0xA8,0x60, // '@' 0x43,0x19,0x20, // 'A' 0xEC,0xAC, // 'B' 0x64,0x20,0x80, // 'C' 0xEA,0xAC, // 'D' 0x92,0x40, // 'E' 0x92,0x40, // 'F' 0x64,0x24,0xE0, // 'G' 0xAE,0xAA, // 'H' 0x92,0x40, // 'I' 0xAA,0x80, // 'J' 0xC8,0xCA, // 'K' 0x92,0x40, // 'L' 0x95,0xAC,0xA0, // 'M' 0xAA,0xE2, // 'N' 0xF4,0xA4,0xE0, // 'O' 0xDA,0x40, // 'P' 0xF4,0xA4,0xE1,0x00, // 'Q' 0xCC,0xCA, // 'R' 0xC4,0x2E, // 'S' 0x44,0x44, // 'T' 0xAA,0xAE, // 'U' 0x95,0x18,0x80, // 'V' 0xAA,0xE5,0x92, // 'W' 0xA4,0x4A, // 'X' 0xA4,0x44, // 'Y' 0x64,0x4C, // 'Z' 0x92,0x48, // '[' 0x91,0x20, // '\' 0x2A,0x80, // ']' 0x42, // '^' 0x40, // '_' 0x80, // '`' 0x2E,0xE0, // 'a' 0x13,0x6C, // 'b' 0xC8,0xE0, // 'c' 0x06,0xAA,0xE0, // 'd' 0xEC,0xC0, // 'e' 0x52,0x40, // 'f' 0xE6,0x4E, // 'g' 0x13,0x60, // 'h' 0x08, // 'i' 0x0A,0x80, // 'j' 0x13,0x44, // 'k' 0x2A,0x00, // 'l' 0xF6,0x80, // 'm' 0xD8,0x00, // 'n' 0xEA,0xE0, // 'o' 0xDB,0x00, // 'p' 0xEA,0xE0, // 'q' 0xA0, // 'r' 0xC4,0xE0, // 's' 0x12,0x40, // 't' 0x8A,0xE0, // 'u' 0xAA,0x40, // 'v' 0xA3,0xC5,0x00, // 'w' 0xA4,0xA0, // 'x' 0xAA,0x44, // 'y' 0x64,0xC0, // 'z' 0x4A,0x24, // '{' 0xAA,0xA0, // '|' 0x49,0x20 // '}' }; const GFXglyph Open_Sans_Regular_6Glyphs[] PROGMEM = { // bitmapOffset, width, height, xAdvance, xOffset, yOffset { 0, 1, 1, 3, 0, 0 }, // ' ' { 1, 2, 4, 3, 0, -4 }, // '!' { 2, 3, 1, 3, 0, -4 }, // '"' { 3, 5, 4, 5, 0, -4 }, // '#' { 6, 4, 5, 4, 0, -5 }, // '$' { 9, 6, 4, 6, 0, -4 }, // '%' { 12, 5, 4, 5, 0, -4 }, // '&' { 15, 2, 1, 2, 0, -4 }, // ''' { 16, 3, 5, 3, 0, -4 }, // '(' { 18, 3, 5, 3, 0, -4 }, // ')' { 20, 4, 3, 4, 0, -5 }, // '*' { 22, 4, 3, 4, 0, -4 }, // '+' { 24, 2, 2, 2, 0, -1 }, // ',' { 25, 3, 1, 3, 0, -2 }, // '-' { 26, 2, 1, 3, 0, -1 }, // '.' { 27, 3, 4, 3, 0, -4 }, // '/' { 29, 4, 4, 4, 0, -4 }, // '0' { 31, 2, 4, 4, 1, -4 }, // '1' { 32, 4, 4, 4, 0, -4 }, // '2' { 34, 4, 4, 4, 0, -4 }, // '3' { 36, 4, 4, 4, 0, -4 }, // '4' { 38, 4, 4, 4, 0, -4 }, // '5' { 40, 4, 4, 4, 0, -4 }, // '6' { 42, 4, 4, 4, 0, -4 }, // '7' { 44, 4, 4, 4, 0, -4 }, // '8' { 46, 4, 4, 4, 0, -4 }, // '9' { 48, 2, 3, 3, 0, -3 }, // ':' { 49, 2, 4, 3, 0, -3 }, // ';' { 50, 4, 3, 4, 0, -4 }, // '<' { 52, 4, 2, 4, 0, -3 }, // '=' { 53, 4, 3, 4, 0, -4 }, // '>' { 55, 3, 4, 4, 0, -4 }, // '?' { 57, 6, 5, 6, 0, -4 }, // '@' { 61, 5, 4, 5, 0, -4 }, // 'A' { 64, 4, 4, 5, 1, -4 }, // 'B' { 66, 5, 4, 5, 0, -4 }, // 'C' { 69, 4, 4, 5, 1, -4 }, // 'D' { 71, 3, 4, 4, 1, -4 }, // 'E' { 73, 3, 4, 4, 1, -4 }, // 'F' { 75, 5, 4, 5, 0, -4 }, // 'G' { 78, 4, 4, 5, 1, -4 }, // 'H' { 80, 3, 4, 3, 0, -4 }, // 'I' { 82, 2, 5, 3, 0, -4 }, // 'J' { 84, 4, 4, 5, 1, -4 }, // 'K' { 86, 3, 4, 4, 1, -4 }, // 'L' { 88, 5, 4, 6, 1, -4 }, // 'M' { 91, 4, 4, 6, 1, -4 }, // 'N' { 93, 5, 4, 6, 0, -4 }, // 'O' { 96, 3, 4, 5, 1, -4 }, // 'P' { 98, 5, 5, 6, 0, -4 }, // 'Q' { 102, 4, 4, 5, 1, -4 }, // 'R' { 104, 4, 4, 4, 0, -4 }, // 'S' { 106, 4, 4, 4, 0, -4 }, // 'T' { 108, 4, 4, 5, 1, -4 }, // 'U' { 110, 5, 4, 5, 0, -4 }, // 'V' { 113, 6, 4, 7, 0, -4 }, // 'W' { 116, 4, 4, 4, 0, -4 }, // 'X' { 118, 4, 4, 4, 0, -4 }, // 'Y' { 120, 4, 4, 4, 0, -4 }, // 'Z' { 122, 3, 5, 3, 0, -4 }, // '[' { 124, 3, 4, 3, 0, -4 }, // '\' { 126, 2, 5, 3, 0, -4 }, // ']' { 128, 4, 2, 4, 0, -4 }, // '^' { 129, 4, 1, 4, 0, 0 }, // '_' { 130, 2, 1, 4, 1, -5 }, // '`' { 131, 4, 3, 4, 0, -3 }, // 'a' { 133, 3, 5, 5, 1, -5 }, // 'b' { 135, 4, 3, 4, 0, -3 }, // 'c' { 137, 4, 5, 5, 0, -5 }, // 'd' { 140, 4, 3, 4, 0, -3 }, // 'e' { 142, 3, 5, 3, 0, -5 }, // 'f' { 144, 4, 4, 4, 0, -3 }, // 'g' { 146, 3, 5, 5, 1, -5 }, // 'h' { 148, 2, 4, 3, 0, -4 }, // 'i' { 149, 2, 5, 3, 0, -4 }, // 'j' { 151, 3, 5, 4, 1, -5 }, // 'k' { 153, 2, 5, 3, 0, -5 }, // 'l' { 155, 5, 3, 7, 1, -3 }, // 'm' { 157, 3, 3, 5, 1, -3 }, // 'n' { 159, 4, 3, 5, 0, -3 }, // 'o' { 161, 3, 4, 5, 1, -3 }, // 'p' { 163, 4, 4, 5, 0, -3 }, // 'q' { 165, 2, 3, 3, 1, -3 }, // 'r' { 166, 4, 3, 4, 0, -3 }, // 's' { 168, 3, 4, 3, 0, -4 }, // 't' { 170, 4, 3, 5, 0, -3 }, // 'u' { 172, 4, 3, 4, 0, -3 }, // 'v' { 174, 6, 3, 6, 0, -3 }, // 'w' { 177, 4, 3, 4, 0, -3 }, // 'x' { 179, 4, 4, 4, 0, -3 }, // 'y' { 181, 4, 3, 4, 0, -3 }, // 'z' { 183, 3, 5, 3, 0, -4 }, // '{' { 185, 2, 6, 4, 1, -5 }, // '|' { 187, 3, 5, 3, 0, -4 } // '}' }; const GFXfont Open_Sans_Regular_6 PROGMEM = { (uint8_t *)Open_Sans_Regular_6Bitmaps,(GFXglyph *)Open_Sans_Regular_6Glyphs,0x20, 0x7E, 9}; // 'boedha-seeklogo', 128x64px const unsigned char myBitmap [] PROGMEM = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79, 0x33, 0xcb, 0xf4, 0xf3, 0x30, 0x00, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49, 0x32, 0x68, 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0x00, 0x02, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x10, 0x02, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x10, 0x03, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x10, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x08, 0x10, 0x00, 0x00, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x0c, 0x10, 0x00, 0x00, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x0c, 0x10, 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x04, 0x10, 0x00, 0x00, 0x08, 0x01, 0x00, 0x00, 0x40, 0x00, 0x00 }; const unsigned char myBitmap2 [] PROGMEM = { 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0x00, 0x03, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x00, 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0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xff, 0x80, 0x00, 0x00, 0x00, 0x03, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; #define VOLTAGE_PIN A0 // number of analog samples to take per reading #define NUM_SAMPLES 10 int sum = 0; // sum of samples taken unsigned char sample_count = 0; // current sample number float voltage = 0.0; // calculated voltage /*In this section we have defined the gain values for the * proportional, integral, and derivative controller I have set * the gain values with the help of trial and error methods. */ #define __Kp 30 // Proportional constant #define __Ki 0.7 // Integral Constant #define __Kd 200 // Derivative Constant int clockPin; // Placeholder por pin status used by the rotary encoder int clockPinState; // Placeholder por pin status used by the rotary encoder int set_temperature = 0; // This set_temperature value will increas or decreas if when the rotarty encoder is turned float temperature_value_c = 0.0; // stores temperature value long debounce = 0; // Debounce delay int encoder_btn_count = 0; // used to check encoder button press Adafruit_MAX31855 thermocouple(thermoCLK, thermoCS, thermoDO); // Create an instance for the Adafruit_MAX31855 Sensor Called "thermocouple" Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); // Create an instance for the SSD1306 128X64 OLED "display" PIDController pid; // Create an instance of the PID controller class, called "pid" void setup() {display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // here the 0x3c is the I2C address, check your i2c address if u have multiple devices. display.clearDisplay(); delay(500); display.drawBitmap(0, 0, myBitmap, 128, 64, WHITE); display.display(); display.clearDisplay(); delay(3000); analogReference (INTERNAL);} #ifdef __DEBUG__ Serial.begin(9600); #endif pinMode (VOLTAGE_PIN, INPUT); pinMode(mosfet_pin, OUTPUT); // MOSFET output PIN pinMode(CLK_PIN, INPUT); // Encoer Clock Pin pinMode(DATA_PIN, INPUT); //Encoder Data Pin pinMode(SW_PIN, INPUT_PULLUP);// Encoder SW Pin pid.begin(); // initialize the PID instance pid.setpoint(150); // The "goal" the PID controller tries to "reach" pid.tune(__Kp, __Ki,__Kd); // Tune the PID, arguments: kP, kI, kD pid.limit(0, 255); // Limit the PID output between 0 and 255, this is important to get rid of integral windup! if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { #ifdef __DEBUG__ Serial.println(F("SSD1306 allocation failed")); #endif for (;;); // Don't proceed, loop forever } { // display.setRotation(4); //Rotate the Display display.display(); //Show initial display buffer contents on the screen -- the library initializes this with an Adafruit splash screen. display.clearDisplay(); // Cleear the Display display.setTextSize(1); // Set text Size display.setTextColor(WHITE); // set LCD Colour display.setTextSize(1); // Set text Size display.setCursor(0, 10); // Set Cursor Position display.setFont(); display.println("Do not dwell in the past, do not dream ofthe future, -------- concentrate the mind on the present moment"); // Print the this Text display.display(); // Update the Display delay(200); // Delay of 200 ms display.clearDisplay(); // clear the display } void set_temp() { if (encoder_btn_count == 2) // check if the button is pressed twice and its in temperature set mode. { // Draw Menu display.drawRect(0, 0, 128, 64, WHITE); display.display(); display.drawLine(0, 15, 128, 15, WHITE); display.display(); display.drawRect(0, 49, 128, 49, WHITE); display.display(); // Set Temp Menu display.setTextSize(1); // Set text Size display.setCursor(8, 5); // set the diplay cursor display.print("Set Temperature"); // Print Set Temp. on the display display.setCursor(40, 30); // set the cursor display.setTextSize(2); // Set text Size display.print(set_temperature);// print the set temperature value on the display display.print("*c"); // Print Celsius on the display display.display(); // Update the Display display.clearDisplay(); } } Encoder encoder(CLK_PIN, DATA_PIN); void read_encoder() { const int TempIncrement = 1; // Temperature change per encoder increment const int TempMin = 0; const int TempMax = 315; // Get the current position of the encoder, then reset its // position back to 0 const int pos = (int) encoder.readAndReset(); // Calculate the change in temperature const int NewTemp = (pos * TempIncrement) + set_temperature; set_temperature = constrain(NewTemp, TempMin, TempMax); #ifdef __DEBUG__ Serial.println(set_temperature); // print the set temperature value on the serial monitor window #endif // v Unchanged v if ( digitalRead(SW_PIN) == LOW) //If we detect LOW signal, button is pressed { if ( millis() - debounce > 20) { //debounce delay encoder_btn_count++; // Increment the values if (encoder_btn_count > 2) encoder_btn_count = 1; #ifdef __DEBUG__ Serial.println(encoder_btn_count); #endif } debounce = millis(); // update the time variable } } void loop() { read_encoder(); //Call The Read Encoder Function set_temp(); // Call the Set Temperature Function if (encoder_btn_count == 1) // check if the button is pressed and its in Free Running Mode -- in this mode the arduino continiously updates the screen and adjusts the PWM output according to the temperature. temperature_value_c = thermocouple.readCelsius(); // Read the Temperature using the readCelsius methode from Adafruit_MAX31855 Library. int output = pid.compute(temperature_value_c); // Let the PID compute the value, returns the optimal output analogWrite(mosfet_pin, output); // Write the output to the output pin pid.setpoint(set_temperature); // Use the setpoint methode of the PID library to {// take a number of analog samples and add them up while (sample_count < NUM_SAMPLES){ sum += analogRead(A0); sample_count++; delay(100); } // calculate the voltage // use 5.0 for a 5.0V ADC reference voltage // 5.015V is the calibrated reference voltage voltage = ((float)sum / (float)NUM_SAMPLES * 1.1 / 1024.0); // send voltage for display on Serial Monitor // voltage multiplied by 10 when using voltage divider that // divides by 10. 7.98 is the calibrated voltage divide // value Serial.print(voltage * 7.98,3); Serial.println (" V"); sample_count = 0; sum = 0; } // Draw Menu display.fillRect(80, 54, 110, 60, BLACK); delay (2000); display.drawRect(0, 0, 128, 64, WHITE); display.display(); display.drawLine(0, 15, 128, 15, WHITE); display.display(); display.drawRect(0, 49, 128, 49, WHITE); display.display();} //Display Data display.setTextSize(1); // Set text Size display.setCursor(8, 5); // Set the Display Cursor display.print("Current Temperature"); //Print to the Display display.setTextSize(2); display.setCursor(40, 30);// Set the Display Cursor display.print(temperature_value_c); // Print the Temperature value to the display in celcius display.print("c"); // Print Celsius on the display display.setCursor(80, 54);// Set the Display Cursor display.setTextSize(1); // Set text Size display.print(voltage * 7.98); // Calculate and Display voltage display.print("v"); // Print voltage on the display display.display(); // Update the Display //Low Battery Alert if(voltage * 7.98< 5.25) { display.clearDisplay(); // clear the display display.drawBitmap(0, 0, myBitmap2, 128, 64, WHITE); delay(250); display.display(); display.invertDisplay(true); delay(250); display.display(); display.invertDisplay(false); delay(250); display.display(); display.invertDisplay(true); delay(250); display.display(); display.invertDisplay(false); delay(250); display.display(); //Clear display of previously rendered info display.clearDisplay(); // clear the display } delay(1000); #ifdef __DEBUG__ Serial.print(temperature_value_c); // Print the Temperature value in *C on serial monitor Serial.print(" "); // Print an Empty Space Serial.println(output); // Print the Calculate Output value in the serial monitor. #endif delay(200); // Wait 200ms to update the OLED dispaly. }
  • Software debounce KY-040 In Arduino Sketch (Very Lost) Will pay $20 for someone to make this nightmare end.
    1 project | /r/arduino | 17 Aug 2022
    // Using PaulStoffregen/Encoder // https://github.com/PaulStoffregen/Encoder #include Encoder encoder(CLK_PIN, DATA_PIN); void read_encoder() { const int TempIncrement = 10; // Temperature change per encoder increment const int TempMin = 0; const int TempMax = 315; // Get the current position of the encoder, then reset its // position back to 0 const int pos = (int) encoder.readAndReset(); // Calculate the change in temperature const int NewTemp = (pos * TempIncrement) + set_temperature; set_temperature = constrain(NewTemp, TempMin, TempMax); #ifdef __DEBUG__ Serial.println(set_temperature); // print the set temperature value on the serial monitor window #endif // v Unchanged v if ( digitalRead(SW_PIN) == LOW) //If we detect LOW signal, button is pressed { if ( millis() - debounce > 80) { //debounce delay encoder_btn_count++; // Increment the values if (encoder_btn_count > 2) encoder_btn_count = 1; #ifdef __DEBUG__ Serial.println(encoder_btn_count); #endif } debounce = millis(); // update the time variable } }
  • Hey! I'm building a mouse with an optical encoder but I have no idea how to code it. I found out that it works with quadrature modulation but it is way above my head. Is there library (that works with one channel) for that or an example code that someone could point me to?
    4 projects | /r/arduino | 25 Feb 2022
    This might be helpful.
  • Library for quadrature encoder in Arduino
    1 project | /r/arduino | 14 Jan 2022
    Have you tried: https://www.arduino.cc/reference/en/libraries/encoder/ You could also try: https://www.pjrc.com/teensy/td_libs_Encoder.html

What are some alternatives?

When comparing a-picture-is-worth-a-1000-words and Encoder you can also consider the following projects:

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esp32-rotary-encoder - ESP32-compatible rotary encoder driver

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ESP32Encoder - A Quadrature and half quadrature PCNT peripheral driven encoder library supporting 8 encoders

GitExtensions - Git Extensions is a standalone UI tool for managing git repositories. It also integrates with Windows Explorer and Microsoft Visual Studio (2015/2017/2019).

ai-esp32-rotary-encoder - Easy implement rotary encoder to your application using microcontroler like ESP32

Om - The Om programming language.

rr_configurator

lapce - Lightning-fast and Powerful Code Editor written in Rust

rr_controller

learn-you-a-haskell - “Learn You a Haskell for Great Good!” by Miran Lipovača

RotaryEncoder - RotaryEncoder Arduino Library