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// Sample output: https://wokwi.com/arduino/projects/287356481917944333

const size = 256;
const center = [150, 150];
const c = 16;

const data = {
  version: 1,
  author: 'Uri Shaked',
  editor: 'wokwi',

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Connecting the LCD Screen

Use female jumper wires to connect the 2x5 connector on the SKR board with the EXP1 / EXP2 connectors on the LCD board as follows:

Function	SKR Connector Pin	EXP1/2	EXP Pin Number
LCD_SCK	1	EXP2	9
BTN_ENC	2	EXP1	9
BTN_EN1	3	EXP2	8
RESET	4	-	-

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int diffAnalogRead(){
  int readA[6], minA, maxA;
  int readB[6], minB, maxB;
  for (int i = 0; i < 6; i++) {
    if (i % 2 == 0) {
      readA[i] = analogRead(CLK_PIN);
    }
    readB[i] = analogRead(DIN_PIN);
    if (i % 2 == 1) {
      readA[i] = analogRead(CLK_PIN);

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// LCD Animation: walk
// Code auto-generated by https://wokwi.com/animator, graphics by icons8.com
const frames = [
  new Uint8Array([0,0,0,0,0,0,192,0,0,1,240,0,0,3,16,0,0,3,24,0,0,3,16,0,0,1,240,0,0,0,192,0,0,3,128,0,0,15,224,0,0,24,32,0,0,48,48,0,0,68,56,0,0,204,108,0,0,188,103,128,1,188,112,128,1,40,94,128,3,104,195,128,1,216,192,0,1,152,64,0,0,28,96,0,0,22,48,0,0,19,16,0,0,51,152,0,0,38,216,0,0,68,200,0,0,204,72,0,1,152,76,0,1,48,108,0,1,224,56,0,0,64,16,0,0,0,0,0]),
  new Uint8Array([0,0,0,0,0,0,192,0,0,1,240,0,0,3,16,0,0,3,24,0,0,3,16,0,0,1,240,0,0,0,192,0,0,3,128,0,0,15,224,0,0,24,32,0,0,48,48,0,0,100,56,0,0,204,108,0,0,156,103,0,1,188,113,128,1,40,222,128,1,104,199,128,1,88,192,0,1,216,192,0,0,28,96,0,0,22,48,0,0,19,16,0,0,51,144,0,0,38,152,0,0,100,200,0,0,204,72,0,1,152,76,0,1,176,108,0,0,224,56,0,0,64,16,0,0,0,0,0]),
  new Uint8Array([0,0,0,0,0,0,192,0,0,1,240,0,0,3,16,0,0,3,24,0,0,3,16,0,0,1,240,0,0,0,192,0,0,3,192,0,0,15,224,0,0,24,32,0,0,48,48,0,0,100,48,0,0,76,120,0,0,220,110,0,0,156,97,128,0,

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Datasheets

• AVR Instruction Set Manual
• ATmega328 Datasheet

Stackblitz demos

• avr8js-minimal
• avr8js-6leds - this is where we added the AVRUSART Peripheral

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const bmpjs = require('bmp-js');
const fs = require('fs');
const happyb = fs.readFileSync('./happy-birthday.bmp');
const bitmap = bmpjs.decode(happyb);
for (x = 0; x < bitmap.width; x++) {
  let line = '';
  for (y = 0; y < bitmap.height; y++) {
    line += bitmap.data[y * bitmap.width * 4 + (bitmap.width - 1 - x) * 4 + 1] ? ' ' : '#';
  }
  console.log(line);

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/**
   STM32 Fake EEPROM Firmware

   Copyright (C) 2020, Uri Shaked. Released under the MIT license.
*/

#include <Wire.h>

#define EEPROM_ADDR 0x50

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#!/usr/bin/env python3
# coding=utf8
#
# Simple script to scale a KiCad footprint
# Usage: 
# python kicad-resize-footprint.py <input.kicad_mod> <output.kicad_mod> <scale>
#
# Where scale is how much to scale (1 = 100%)
#
# Copyright (C) 2020, Uri Shaked.

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; Created: 25/11/2019 9:45:37 AM
; Author : Annon

; defining some labels to make the code easier to read
LEDs = 20
Switches = 21
outer = 22
inner = 23
inner1 = 24

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import re

PAINT_X = 172
PAINT_Y = 92
PAINT_Z = 40.5
MOVEOVER_Z = 55
SHAKE_RADIUS = 1

f = open('dna_pattern.gcode', 'r')
output = open('dna_output.gcode', 'w')