Bluetooth pairing successful Would you like to connect immediately? Ding Dong! Campus memories have been successfully synchronized Let’s share a wonderful life together Connect the “knowledge Bluetooth” to share knowledge As the class bell rings We rush to the temple of knowledge The earnest teachings of our mentors are like guiding lights Illuminating the path … Read more
On June 5, Bilibili launched a new primary section called “Knowledge Zone.” The “Knowledge Zone” includes six secondary sections: Science Popularization, Social Sciences and Humanities, Finance, Campus Learning, Career Development, and Wild Technology Association, focusing on sharing knowledge, research, skills, viewpoints, and humanities. Homepage of the Knowledge ZoneAccording to statistics, in 2019, the number of … Read more
Bluetooth has been paired Do you want to click to connect? “Ding” Your university life Bluetooth is connected Sharing a wonderful campus life You and Xingzhi’s Bluetooth pairing was successful Please start playing your wonderful campus life Classroom “Bluetooth”: Knowledge Sharing Class bell rings crazily “Doki Doki” Classroom “Bluetooth” one-click “connect” Blackboard writing, PPT, group … Read more
ONE DIVE FAMILY SDI TDI ERDI PFI Instructors/Coaches President of International Headquarters Business Development, President of Greater China Region, Head of China Region Group photo of the staff from the participating dive centers At this exhibition, SDI TDI ERDI PFI collaborated with eight outstanding dive shops and instructor teams from both domestic and international backgrounds … Read more
MAKER：maketvee/ 译：趣无尽 Previously, we introduced a very cool “Lava Effect Lamp”. In this tutorial, I will introduce a more user-friendly lamp. This LED matrix light uses standard WS2812b LED lights to form a cylindrical lamp body, finally combined with a wooden frame. The effect is quite amazing! First, watch the video below. Materials List 790×384 … Read more
In this article, we will explore the APDS-9960 gesture sensor and how to use it with WS2812B to control Neopixel LED strips. We can control the LED strip using simple gestures. Moving your hand left or right will change the direction of the running LEDs, while moving your hand up or down will change their … Read more
Information Technology Workshop Publishing updates on information technology workshops, information technology education news, and teaching cases and works. Public Account 【Video Tutorial】 【Operation Tutorial】 Lesson 4 Traffic Lights 1. Course Introduction The combination of loops and variables can achieve rich program variations. Last lesson introduced the combination of for loops and variable t to simplify … Read more
Previously, we introduced the basics of .NET nanoFramework. In this article, we continue with the example of the Microweather ESP32-S2-Pico to discuss development with .NET nanoFramework: controlling the onboard RGB lights and external RGB lights. The content includes the significance of status lights, WS2812, HSV, PWM, and related knowledge. 1. Background The first step in … Read more
This article mainly introduces the problems encountered when using .Net nanoFramework to drive the WS2812B LED on the ESP32-S3-Zero board, as well as how to design a light control class to conveniently use the status indicator light to display the working status of the device. 1. Introduction When using the .Net nanoFramework to drive the … Read more
1、 LCD液晶显示器是Liquid Crystal Display 的简称 ， LCD 的构造是在两片平行的玻璃当中放置液态的晶体 ， 两片玻璃中间有许多垂直和水平的细小电线 ， 透过通电与否来控制杆状水晶分子改变方向 ， 将光线折射出来产生画面 。 LCD为液晶显示屏 ， 本身不发光 ， 需要背光源 。 其由TFT基板与CF（ 彩膜 ） 基板贴合而成 ， 内充液晶 。 通过TFT基板提供电场来控制液晶旋转的角度 ， 从而起到控制液晶穿透率的作用 。 彩膜上印刷有RGB三种颜色色块 ， 背光源的光线透过透明的TFT基板 ， 透过液晶分子 ， 然后透过CF基板 。 受各个色块下液晶分子的穿透率不同的影响 ， 色块发出不同亮暗的红绿蓝三色 ， 可混合成显示所需的颜色 。 2、 LED是什么意思 ？ LED = Light Emitting Diode ， … Read more