魚的方舟圖形語言的世界 - LabVIEW & Arduino & Python工作室 - 新網站https://labview-tech.blogspot.com/

[第24期] Calculate KD value of the stock by using yfinance and PyQt/使用yfinance與PyQt計算股票的KD值 1

This video shows how to use yfinance and PyQt to calculate  KD value of the stock .

The content includes: 

1. Input Taiwan stock ticker

This vedio shows how to use pytube and PySide to download YouTube audio (mp3).

The content includes: 

1. PySide Introduction

2. Filter Audio Stream

This video shows how to use PyQtGraph and nidaqmx to implement real time plots. The content includes:

1. Install NI-​DAQmx and python nidaqmx

2. Use Qt Designer to design GUI

3. Real-time display DAQ data

This video shows how to use pytube and PyQt to download YouTube video. The content includes:

1. PyTube Introduction

2. Use Qt Designer to design GUI

3. One click download Youtube video

This video shows how to use PyQtGraph and PyQt to implement line and scatter plots. The content includes:

1. PyQtGraph Introduction

2. Embedding custom widgets from Qt Designer

3. Use PlotWidget.plot() to add data to plot widget

 This video demonstrate how to write a PyQt calculator program by using MVC architecture.

The content includes:

1. MVC Architecture Introduction

2. Place codes with different purposes into Model.py, View.py and Controller.py

This video describe how to add random number to Python array.

Two libraries, Numpy and Random, are used to implement this purpose.

本視頻說明如何在Python的陣列中加入隨機數。 需要利用兩個函式庫，Numpy和Random來實現這個目的。

This video shows how to migrate LabVIEW to Python. Examples of reading file to XY graph are demonstrated by using LabVIEW and Python.

Content:

1. Read file and plot XY graph with LabVIEW

2. Read file and plot XY graph with Python

This video shows how to read camera streaming media of Notebook by OpenCV

這個視頻說明如何使用OpenCV讀取筆記型電腦的攝影機串流影像

內容/Content

1. 讀取筆電的攝影機影像 Read camera streaming media of NB

This video shows how to install OpenCV in Anaconda and write program to read image in the Spyder IDE.

這個影片說明如何在Anaconda中安裝OpenCV以及在Spyder開發環境中寫一個如圖片的程式。

Steps/步驟:

1. Install OpenCV by using Anaconda Prompt/使用Anaconda Prompt安裝OpenCV (pip install opencv-python)

 This video shows 5 kinds of examples for definition of function.

這個影片展示5種定義函數的範例。

1.Define function (no parameter)定義函數(無參數)

2.Define function (parameters)定義函數(參數)

 This example shows how to use python to comunicate with SQLite in Colab.

這個範例說明如何在Colab中使用python來與SQLite溝通。

7. Update data in table 更新資料表中的資料

8. Delete data in table 從資料表中刪除資料

 This video shares how to install and use yfinance in Colab

本影片分享如何在Colab上安裝與使用yfinance函式庫

1. Install yfinance library 安裝yfinance函式庫

2. Get single item or all items from stock information 獲取單一或全部的股票資訊項目

This example shows how to integrate a plot or figure on matplotlib into the graphic user interface of tkinter.

1. Import tkinter

2. Import matplotlib

3. Import FigureCanvasTkAgg

This example shows how to use "command" in button to call a function with or without parameters

1. Import tkinter

2. build a window named "win".

3. window format 1: title()

This example shows how to build a GUI by using tkinter.

1. Import tkinter

2. build a window named "win".

3. window format 1: title()

This example provides the following three steps for training:
1. Install nidaqmx package, Python can use this package to read analog signals from NI DAQ card.
2. Use Simulated NI DAQ Device to simulate NI DAQ device.
3. Use matplotlib to plot analog signals from NI DAQ device.