Kazulog | Gruffly describes topics related to entrepreneurship, development, and IT

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[Mia] How to access Google Calendar from the Flutter application and display the day’s appointments in the console.

Thorough explanation of how to implement Google Calendar integration in Flutter apps, from setting up authentication flow using Google Sign-In, to acquiring events using Google Calendar API, setting scope, and detailed OAuth 2.0 procedures.

application(Flutter)Development/Design

How to resolve Dirty status of database migration in Golang

This section summarises how to deal with a Dirty state of migration in server development using Golang and golang-migrate. a Dirty state means that the migration has been interrupted and the database is in an inconsistent state. The solution procedure is described below as a reminder.

Development/DesignServer (Go)

[Traction] 19 Channels for Startups to Grab Customers

It describes specific examples of measures regarding how start-ups can grab customers in the absence of human and financial resources. Viral marketing, PR, social/display advertising, offline advertising, SEO, content marketing, etc.

2023.11.07 2024.11.10

EntrepreneurMarketing

[ESP32] From development board to designing your own printed circuit board and making it into a product

The cat-shaped talking robot Mia is developed on a home-made board using an ESP32 Wi-Fi Bluetooth module; this memorandum summarises the process from the initial development using an ESP32 development board to the creation of a home-made board and several changes for the product.

2024.04.28 2024.11.09

Development/Designelectronic circuit

[Idol, Burning] Rin Usami: Why did she dump the case of cotton swabs on the floor at the end?

Contains thoughts and observations on the novel ‘Suisu, Burn’ by Rin Usami, which won the Akutagawa Prize and was nominated for the Honya Taisho (Bookstore Grand Prize). The action of the beating of a fan by a guesser gives Akari the courage to try and smash her own current unsuccessful life, but in the end, she chooses a cotton swab in the blink of an eye, which is the cheapest way to clean up the mess.

2024.04.07 2024.11.09

(somebody's) sideNote/Book

[React] Steps to introduce the i18n library and make your project multilingual.

For developers aiming for multilingual support in React, this article details the steps to implement automatic language switching based on the user's browser settings using the i18n libraries react-i18next and i18next-browser-languagedetector. Step-by-step instructions on how to create a multilingual directory structure, build i18n configuration files, add language files, prepare components for translation, and implement a language selection drop-down in the navigation bar; also touches on how to rebuild dependencies in a Docker environment.

Development/DesignWeb

[Switch] How to disassemble and repair a high temperature sleep error by yourself.

The procedure for fixing the high temperature sleep error on the Nintendo Switch yourself is described: remove the back cover using a Y- and cross-shaped screwdriver, then remove the silver plate. The cooling fan can be taken out after removing the battery connect, heat sink and game card unit in that order.

2024.04.24 2024.10.26

built-in(C++)Development/Design

[Mia] The result of an open call for dialect narration. Utilization of Coconara, Crowdworks, and Lancers

In the case of narration, many voice actors present their conditions in terms of unit price per character + unit price per file cut, and this time I set the amount a little higher than the market price respectively (3 yen per character and 10 yen per cut) as follows. The recruitment text was copied and posted on Crowdworks and Lancers as well as Coconara, and was also posted on Mia's website.

2024.09.02 2024.10.26

EntrepreneurMia

Servo motor vs. DC motor: sound comparison

The sound volume was compared between a servo motor and a DC motor as a mechanism to move the mouth of a talking robot.The DC motor was connected to an ESP32 using an L293D motor driver, and the gears to be attached were made using a 3D printer. The rack and pinion moves by itself, but not when a rubber is attached.

2023.08.28 2024.10.26

Development/Designelectronic circuit

I read a whole series of novels related to middle school entrance examinations.

Parents tend to get stuck in the junior high school entrance examination swamp trap: 1) they have not studied hard themselves, so they try to make up for it by taking their children's examinations; 2) they are more concerned than necessary about the class of cram school and the deviation score they have; 3) they think of junior high school entrance examinations in terms of cosmetics and typa

2024.04.29 2024.10.26

Note/Bookraising children

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