[Data] WTI Blog: Optical Communication and Devices Edition 2017-2020

This document summarizes the WTI blog of Wave Technology Co., Ltd., which is engaged in "development and design promotion business" to solve the shortage of engineers, from March 1, 2022, to March 29, 2022. It includes topics such as "Four substances (groups) added as the 26th SVHC under the EU REACH Regulation" on March 1, 2022, and "What is the difference between Wi-Fi 6E and Wi-Fi 6?" on March 8, 2022. Additionally, it features a wealth of useful information regarding products and industries. We encourage you to read it. [Contents] ■ March 1, 2022: Four substances (groups) added as the 26th SVHC under the EU REACH Regulation ■ March 8, 2022: What is the difference between Wi-Fi 6E and Wi-Fi 6? ■ March 15, 2022: Beginner's Microcontroller Control and Programming - Operation Edition ■ March 22, 2022: Easy Spice Simulation with Behavior (2) ■ March 29, 2022: Distortion Characteristics of Amplification Devices

The ESP32 is a microcontroller that incorporates Wi-Fi and Bluetooth, manufactured by Espressif Systems, a wireless chip maker headquartered in Shanghai. OTA stands for Over The Air, which allows programming to be written via wireless networks such as Wi-Fi, mobile data communication, and Bluetooth. In this report, we attempted programming using OTA with the ESP32 microcontroller, and we will introduce the details of that experience. [Contents] ■ What is ESP32 ■ What is OTA ■ Boards used ■ Writing the program

This document summarizes the WTI blog of Wave Technology Co., Ltd., which is engaged in the "Development Design Promotion Business" to solve the shortage of engineers, from February 1, 2022, to February 22, 2022. It includes topics such as "Experience SDGs Motors and Power Generation" from February 1, 2022, and "Challenge LIN Communication Using Infineon’s In-Vehicle Microcontroller Evaluation Board AURIX(TM) TC375 Lite kitV2! (Part 1)" from February 8, 2022. Additionally, it features a wealth of useful information regarding products and industries. We encourage you to read it. [Contents] ■ February 1, 2022: Experience SDGs Motors and Power Generation ■ February 8, 2022: Infineon’s In-Vehicle Microcontroller Evaluation Board - Challenge LIN Communication Using AURIX(TM) TC375 Lite kitV2! (Part 1) ■ February 15, 2022: Introduction to the Sale of Disassembly Investigation Reports♪ ■ February 22, 2022: Examples of Issues in Waterproof Design

This document summarizes the WTI blog of Wave Technology Co., Ltd., which is engaged in the "Development Design Promotion Business" to solve the shortage of engineers, covering the period from 2017 to 2020, focusing on optical communication and devices. It introduces various topics, including "Why do we use light for communication?" from September 18, 2018, "Why do optical semiconductor devices fail?" from April 2, 2019, and "WTI supports sustainable development" from June 15, 2021. Additionally, it includes a wealth of useful information related to products and industries. We encourage you to read it. 【Contents (excerpt)】 ■ May 9, 2017: Introduction to optical communication and optoelectronic conversion devices! ■ August 29, 2017: Precise assembly technology is necessary to determine the characteristics of optical devices! ■ November 28, 2017: Lasers are used in various fields! ■ September 18, 2018: Why do we use light for communication? ■ December 18, 2018: "Optical fibers" are also important for evaluating optical devices!