[EN]Calculate Regression with NumPy.

This article is to convert the implementation of the regression model from the article of ESP32-C3 to NumPy on Raspberry Pi and PC and use the display as Matplotlib, as shown in Figure 1, which can be found from the previous article. The temperature and humidity from the 1-day data were obtained from parameters a and b of the regression equation and the resulting equation or model was used to determine the possible temperature values over the 1 day.

Figure 1 Result of the program
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[EN] Unity3D The great game maker

This article introduces Unity3D, a very popular game creation program. Because there are so many facilities needed to make a game. Called quite complete, such as the manipulation of three-dimensional objects, gravity, system movement of objects, can create games on multiple platforms for example. Controlling objects requires knowledge of a programming language which can be practiced.

Figure 1 Unity’s logo
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[EN] How to make the stopwatch?

From the article Create a clock that displays an analog display through a color display, this time, it has been modified to make it work as a timer or stopwatch by using the ESP32-CAM board connected to the TFT display and using a switch from pin GPIO0 used as a mode switch or program chip when booting the system or supply power to board ESP32-CAM as shown in Figure 1 and programming still uses Python language with MicroPython as always

Figure 1 dCore RED, esp32cam+REDTAB
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[EN] Binary Search Tree data structure programming with Python.

In the previous article, programming to implement queue-based data structures was introduced. In this article, we introduce programming to manage another type of data structure which has different storage and management methods called BST tree or Binary Search Tree, as shown in Figure 1, which is a structure that can be applied to data collection with attributes in which the data in the left branch is less than itself and the right branch is greater than itself or the opposite, i.e. the left branch has a greater value and the right branch is less. It enables searching for data in cases where the tree is balanced on the left and right in the BST structure, saving half the time or number of search times per round of available data, e.g. 100 data sets in the first round if it is not the information you are looking for will be left with a choice to find from the left or right branches which the selection causes the information of the other side is not considered or cut off approximately half. However, if the Binary Search Tree is out of balance, the search speed is not much different from the sequential search.

In this article, we use Python that works on either a Python 3 or MicroPython interpreter to store the data, adding information ,searching for information as an example of further development.

BST : Binary Search Tree
Figure 1 BST
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[EN] The MaixPy’s image class Part 1. draw and find something.

This article discusses how to use image class with TFT-LCD display module of Sipeed M1W dock suit board via lcd class (MaixPy’s lcd class) as shown in Figure 1 provided with MaixPy to study the list of commands provided by image class and an example program using commands about creating a buffer object, clearing the value in the buffer, deleting the buffer, drawing straight lines, circles, squares, character display, saving data from the buffer to memory card (microSD Card), searching for straight lines in buffer (find_lines), finding circles in the buffer, find_circles and find squares (find_rects) in buffers with built-in functionality. It uses the Hough Transform principle to find the position and parameters of the searched object.

(Figure. 1 Sipeed M1W dock suit)
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[TH] Calculate Regression with NumPy.

บทความนี้เป็นการแปลงการใช้งานโมเดลรีเกรสชันจากบทความของ ESP32-C3 มาเป็น NumPy บน Raspberry Pi และ PC พร้อมทั้งใช้การแสดงผลเป็น Matplotlib ดังภาพที่ 1 ซึ่งจะพบว่า จากบทความก่อนหน้านี้ได้นำค่าอุณหภูมิและความชื้นจากข้อมูล 1 วันมาหาพารามิเตอร์ a และ b ของสมการถดถอยหรือรีเกรสชัน (regression) และนำสมการหรือโมเดลที่ได้นี้มาหาค่าของอุณหภูมิที่เป็นไปได้ในช่วงเวลา 1 วัน

ภาพที่ 1 ผลลัพธ์ของตัวอย่างโปรแกรม
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[TH] Unity3D สุดยอดโปรแกรมสร้างเกม

บทความนี้แนะนำเกี่ยวกับโปรแกรม Unity3D ซึ่งเป็นโปรแกรมสร้างเกมที่ได้รับความนิยมอย่างมาก เนื่องจากมีสิ่งอำนวยความสะดวกที่จำเป็นในการสร้างเกมอย่างมากมาย เรียกได้ว่าครบถ้วนเลยทีเดียว เช่น การจัดการวัตถุสามมิติ ระบบแรงโน้มถ่วง การเคลื่อนที่ของวัตถุ สร้างเกมได้หลายแพลตฟอร์ม เป็นต้น แต่อย่างไรก็ดี การควบคุมวัตถุต่างๆจำเป็นต้องใช้ความรู้ทางด้านภาษาโปรแกรม ซึ่งสามารถฝึกฝนได้

ภาพที่ 1 Unity
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[EN] Tic-Tac-Toe

This article is a collection of examples of Tic-Tac-Toe games that our team uses to teach game development in different languages ​​as appropriate for the group of learners. But most of them use Python for teaching because it is easier to explain and write than other languages. In addition to wanting to see how it can be implemented on other platforms, we used an example with the MicroPython of a board we named ml4m. Based on this board, TensorFlow Lite is installed on an ESP32 with a 4MB ROM. The board looks like Figure 1.

(Figure. 1 ml4m for testing Tic-Tac-Toe)
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