方言を話すおしゃべり猫型ロボット『ミーア』をリリースしました(こちらをクリック)
application(Flutter)

[Android] The role of build.gradle in Flutter and how to set it up

In Flutter, Gradle is used to manage the build of the Android part of the code written in Dart when it is compiled into a native application; the Gradle Wrapper makes it possible to build the project without installing Gradle Gradle Wrapper.
application(Flutter)

[Flutter] Setup to run the application on an actual Android device.

This article describes the steps to build a Flutter application on an actual Android device. First, the actual Android device on which the Flutter app is to be built needs to be recognised as a development device: set up the Android SDK using Android Studio and install the Flutter plugin and Java.
application(Flutter)

[Flutter] How to deal with JavaScript invalidity error when opening Google Forms in web view on Android.

Introduction. Developing "Mia," a talking cat-shaped robot that speaks in various dialects. A few days ago, we described...
application(Flutter)

[flutter_sound × Go] Upload audio files to AWS S3 via API

In this case, we want to implement the part where the app uploads the voice files recorded with the flutter_sound package from the app to the server (AWS S3) via API communication. We will associate the S3 path of the uploaded audio file with a phrase in the database and update the voice_path field.
application(Flutter)

[Flutter] Implementation of voice recording playback and uploading functionality using flutter_sound.

Use the flutter_sound and file_picker packages to allow users to playback audio recordings and upload audio files in flutter apps To use the audio recording functionality with the flutter_sound package, you need to request access to the microphone in XCode. permission to access the microphone in XCode.
Development/Design

[ESP32] Understanding the automatic boot loader mechanism and truth table

The automatic bootloader of the ESP32 is a function that enables automatic programme writing when the PC instructs the programmer to write the programme (by pressing the Upload button on PlatformIO) without having to manually press the EN or BOOT (IO0) pins.
Note/Book

[ZOOM] Why did you enter the video calling market as a late entrant and succeed?

How did Zoom succeed as a late entrant in an area where the market seemed to have matured with the arrival of Skype, Google Hangouts and other large companies in the video calling space? The founders had a clear sense of the challenges and had knowledge of the business domain. Focused on customer satisfaction in the early days and optimised PMFs
Development/Design

[Speaker] I attended the workshop on acrylic speaker amplifiers. I learned a lot.

I decided to start a speaker business for the hearing impaired in January this year, so this workshop came at the right time when I wanted to deepen my understanding around speakers.
Note/Book

Inspired by my uncle, I tried a no-salt, no-sugar diet.

My uncle, Shoichiro Nakao, is a cardiologist, and after studying at Harvard Medical School, in 1995, he published a paper in the medical journal NEJM on Cardiac Fabry Disease, which was published from Japan to the world, and he is an amazing person. There is probably only one person in Japan who is so strictly salt-free and sugar-free.
Entrepreneur

[EEG] From the Conception to the Closing of an Earphone-type EEG Measurement Device

An earphone-type EEG device that measures brain waves only through the ear, and visualises brain waves on an app via Bluetooth connection. It was successful in measuring brain waves called alpha waves, which occur during relaxation, such as when dozing or meditating. It could be used as a BCI application for voice assistant activation by blinking, stress detection, automatic hearing threshold detection, etc.