Thijs Triemstra thijstriemstra

## README.md

      
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                thijstriemstra
                / README.md
            
            
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              July 31, 2023 13:01
                — forked from savetheclocktower/README.md
            
              
                Using a potentiometer as a volume control for the Raspberry Pi
              
          
    Using a rotary encoder as a volume control

This describes how to use a potentiometer with a MCP3008 chip.
Hardware

Potentiometer from Ebay: http://www.ebay.com/itm/10PCS-6mm-3pin-Knurled-Shaft-Single-Linear-B-Type-B10K-ohm-Rotary-Potentiometer-/222445944546
MCP3008 from Adafruit: https://www.adafruit.com/products/856

  
## play.sh
# Playback on USB audio device (the second soundcard's first device),
# with omxplayer:
#
# $ ./play.sh myfile.mp4
#
# Use 'aplay -l' to list available devices, e.g:
#
# $ aplay -l
# card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio]
#   Subdevices: 1/1

## README.md

      
              2 files
            
          
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                thijstriemstra
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              Last active
              January 2, 2021 17:44
            
              
                Export Baikal addressbook using Python 3
              
          
    This script loads an addressbook from a Baikal SQLite database file using SQLAlchemy,
and writes the contacts to a single baikal.vcf file.
Install dependencies:
pip3 install SQLAlchemy vobject


## gist:f1900272b8d680bda765
<!DOCTYPE html>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <title>wavesurfer.js</title>

        <link href="data:image/gif;" rel="icon" type="image/x-icon" />

        <!-- Bootstrap -->
        <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css" rel="stylesheet">

## upload-server.py
import os
from flask import Flask, flash, request, redirect, url_for, render_template, send_from_directory
from werkzeug import secure_filename


UPLOAD_FOLDER = 'uploads'
ALLOWED_EXTENSIONS = set(['webm', 'mp4', 'mp3', 'wav', 'jpeg', 'gif', 'png'])
static_folder = os.path.abspath(os.path.dirname(__file__))
template_dir = os.path.join(static_folder, 'examples')

## async-pyqt-sevensegment.py
import sys
import time
import asyncio

from PyQt5.QtWidgets import (QApplication, QProgressBar, QMainWindow, QSlider,
    QVBoxLayout, QWidget)

from quamash import QEventLoop, QThreadExecutor

import max7219.led as led

## gist:2a18f6300f7ce4ba02f62f066ca82201
runtime/cgo: pthread_create failed: Resource temporarily unavailable
SIGABRT: abort
PC=0x76dedf70 m=2 sigcode=4294967290

goroutine 0 [idle]:

goroutine 1 [chan receive, 437 minutes]:
main.btcdMain(0x0, 0x0, 0x0)
	/home/rpitest/go/src/github.com/roasbeef/btcd/btcd.go:170 +0x6dc
main.main()

## bittrex_order_history.py
"""
Parse fullOrders.csv downloaded from Bittrex account.

Requirements::

  pip install dateparser

"""

import csv

## update-videojs.sh
#!/bin/bash

export OLD_VERSION=5.9.2
export NEW_VERSION=5.10.8

# check if language files exist
wget --delete-after https://vjs.zencdn.net/$NEW_VERSION/lang/nl.js

# update videojs in examples and documentation
find examples/ -type f -name '*.html' -exec sed -i '' -e "s/$OLD_VERSION/$NEW_VERSION/" {} \;

## pyqt_sevensegment_test.py
#!/usr/bin/env python

"""
PyQt example for seven segment displays.
"""

import sys
import time

from PyQt5 import QtWidgets
	# Playback on USB audio device (the second soundcard's first device),
	# with omxplayer:
	#
	# $ ./play.sh myfile.mp4
	#
	# Use 'aplay -l' to list available devices, e.g:
	#
	# $ aplay -l
	# card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio]
	# Subdevices: 1/1
	<!DOCTYPE html>
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<title>wavesurfer.js</title>

	<link href="data:image/gif;" rel="icon" type="image/x-icon" />

	<!-- Bootstrap -->
	<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css" rel="stylesheet">
	import os
	from flask import Flask, flash, request, redirect, url_for, render_template, send_from_directory
	from werkzeug import secure_filename


	UPLOAD_FOLDER = 'uploads'
	ALLOWED_EXTENSIONS = set(['webm', 'mp4', 'mp3', 'wav', 'jpeg', 'gif', 'png'])
	static_folder = os.path.abspath(os.path.dirname(__file__))
	template_dir = os.path.join(static_folder, 'examples')
	import sys
	import time
	import asyncio

	from PyQt5.QtWidgets import (QApplication, QProgressBar, QMainWindow, QSlider,
	QVBoxLayout, QWidget)

	from quamash import QEventLoop, QThreadExecutor

	import max7219.led as led
	runtime/cgo: pthread_create failed: Resource temporarily unavailable
	SIGABRT: abort
	PC=0x76dedf70 m=2 sigcode=4294967290

	goroutine 0 [idle]:

	goroutine 1 [chan receive, 437 minutes]:
	main.btcdMain(0x0, 0x0, 0x0)
	/home/rpitest/go/src/github.com/roasbeef/btcd/btcd.go:170 +0x6dc
	main.main()
	"""
	Parse fullOrders.csv downloaded from Bittrex account.

	Requirements::

	pip install dateparser

	"""

	import csv
	#!/bin/bash

	export OLD_VERSION=5.9.2
	export NEW_VERSION=5.10.8

	# check if language files exist
	wget --delete-after https://vjs.zencdn.net/$NEW_VERSION/lang/nl.js

	# update videojs in examples and documentation
	find examples/ -type f -name '*.html' -exec sed -i '' -e "s/$OLD_VERSION/$NEW_VERSION/" {} \;
	#!/usr/bin/env python

	"""
	PyQt example for seven segment displays.
	"""

	import sys
	import time

	from PyQt5 import QtWidgets