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Sergey Zolotykh szolotykh

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🤖 Robotics, IoT & Firmware Dev. STM32, C++, Python expert. Innovating in robotics & IoT, driven by open-source collaboration. Let's connect!🚀

szolotykh / expression-analysis.php

Created July 9, 2014 02:03

Expression analysis

	<?php
	$operators=array("+","-","*","/");
	$numbers=array("0","1","2","3","4","5","6","7","8","9");
	$a=array();



	function findNodesFirst($exp,&$buff,&$nums,&$op){
	//Check $exp is empty?
	$newExp="";

szolotykh / pyttsx-example.py

Created October 16, 2014 22:35

Init exampe of pyttsx

	import pyttsx
	engine = pyttsx.init()
	engine.setProperty('rate', 100)

	voices = engine.getProperty('voices')

	engine.setProperty('voice', voices[1].id)
	engine.say("A robot is a mechanical or virtual artificial agent, usually an electro-mechanical machine that is guided by a computer program or electronic circuitry.")
	engine.runAndWait()

szolotykh / nn-int.py

Created October 16, 2014 22:58

Neural network test: Integer classification

	from pybrain.tools.shortcuts import buildNetwork
	from pybrain.structure import FeedForwardNetwork
	from pybrain.datasets import SupervisedDataSet
	from pybrain.supervised.trainers import BackpropTrainer
	from pybrain.structure import LinearLayer, SigmoidLayer, TanhLayer
	from pybrain.structure import FullConnection

	import random

	def int2bin(a):

szolotykh / nn-binary.py

Created October 16, 2014 22:59

Neural network test: Binary

	from pybrain.tools.shortcuts import buildNetwork
	from pybrain.structure import FeedForwardNetwork
	from pybrain.datasets import SupervisedDataSet
	from pybrain.supervised.trainers import BackpropTrainer
	from pybrain.structure import LinearLayer, SigmoidLayer, TanhLayer
	from pybrain.structure import FullConnection

	import random

	def int2bin(a):

szolotykh / map2png.py

Last active August 29, 2015 14:07

PyPNG: Map to PNG function (array to PNG)

	#https://pythonhosted.org/pypng/ex.html

	import png
	import time



	def map2png(name, amap, w, h):
	amap2 = list(amap)
	for i in range(len(amap2)):

szolotykh / onpress.py

Created October 16, 2014 23:07

Python: onpress

	import getch

	while True:
	# ...
	char = getch.getch() # User input, but not displayed on the screen
	# or
	#char = getch.getche() # also displayed on the screen
	print char

szolotykh / LegoNXTSerial.js

Created December 22, 2014 16:27

Send tone command to Lego NXT

	var SerialPort = require("serialport").SerialPort
	var serialPort = new SerialPort("COM4", {
	baudrate: 9600
	});


	serialPort.on("open", function () {
	console.log('open');

	serialPort.on('data', function(data) {

szolotykh / JSCameraTest.html

Created December 26, 2014 16:09

HTML5 Camera test

	<html>
	<script>
	var errorCallback = function(e) {
	console.log('Rejected', e);
	};

	function init(){
	navigator.getUserMedia = navigator.getUserMedia \|\|
	navigator.webkitGetUserMedia \|\|
	navigator.mozGetUserMedia \|\|

szolotykh / FullScreenTest.html

Created January 7, 2015 20:57

Web page (div) fullscreen mode

	<html>
	<head>
	<script>
	function goFullScreen(elem){
	if (elem.requestFullscreen) {
	elem.requestFullscreen();
	} else if (elem.msRequestFullscreen) {
	elem.msRequestFullscreen();
	} else if (elem.mozRequestFullScreen) {
	elem.mozRequestFullScreen();

szolotykh / speech2text.html

Created January 22, 2015 23:17

HTML5 Speech to text example

	<html>
	<head>
	<script>
	var recognition = new webkitSpeechRecognition();
	recognition.continuous = true;
	//recognition.interimResults = true;
	function start(){
	recognition.onresult = function(event) {
	console.log(event);
	var output = document.getElementById("output");