Kazulog | Page 10 | Gruffly describes topics related to entrepreneurship, development, and IT

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[ESP32 x Flutter] How to send Wi-Fi scan results in chunks via BLE

Describes how to use ESP32 and Flutter (flutter_blue_plus) to split and send the results of a Wi-Fi scan to a smartphone via BLE, using BLE's Notify function to split large data into smaller packets and reconstruct the received data.

2024.04.26 2024.07.01

application(Flutter)built-in(C++)Development/Design

Embedded display and decoration of Google Calendar in FullCalendar

If you use the google calendar embed code, the look of the calendar is fixed and cannot be customised, but with the FullCalendar Javascript library, you can put a beautiful looking calendar on your site. google calendar API key and ID.Obtain.

2024.03.03 2024.06.30

Development/Design

[BigQuery] Expansion and analysis of GA4 event_params with UNNEST: Bad and right queries

When setting up an Export of GA4 to BigQuery and analysing GA4 data on BigQuery, a common stumbling block is how to parse GA4 event_params, as the data is nested in event_params in a further key-value format array,When tabulating the data, the UNNEST operator in SQL is used to expand the elements in the data and convert them into a single row before tabulating.

2024.04.07 2024.06.30

[ST7735] Guide to solving drawing problems on TFT LCDs: how to set Green Tab.

Describes drawing problems encountered with ST7735 TFT LCD displays and their solutions, as ST7735 displays use the same basic chip but have minor specification differences between different manufacturers and production batches, resulting in many variations such as "Green Tab", "Red Tab", "Black Tab " and many other variations exist.

2024.04.27 2024.06.30

Development/Design

[Figma] How to prevent misalignment when icons are hidden in auto-layout.

Figma's autolayout is a feature that automatically adjusts the distance between elements and allows flexible layout management while maintaining design consistency. Describes the problem of titles being off-centre when icons are hidden in the design of navigation bars and how to resolve the problem.

2024.04.21 2024.06.30

Development/Design

Create PCB by EasyEDA and order PCB by JLCPCB. If you want to keep costs down, request 2 boards to be mounted.

Create schematics in EasyEDA and convert the schematics to PCBs Work on the PCBs includes component placement, number printing, board outline drawing, wiring with auto routing, creating mounting holes and creating solid copper foil After completing the work on the PCBs, order the boards from JLCPCB.

2023.09.17 2024.06.30

Development/Design

[Three Bodies] Analogy between the Black Dark Forest and the Cultural Revolution: Chain of Suspicion and Détente

The scepticism chain depicted in The Black Dark Forest is an analogy to the chain of suspicion and distrust found in Chinese society during the Cultural Revolution. This analogy emphasises how destructive a lack of trust and a chain of mistrust can be. Ultimately, Luo Zhai negotiates with the Three Bodies against his own plans, and the end of Part II ends with an appearance of détente (easing of tensions)

2024.05.20 2024.06.29

[Japanese and Germans] Comparing the two, they are both the same. Shion Amemiya

There are no Japanese-style club activities in Germany. Instead, there is the Verein.The good thing about these civic clubs is that you can find a place outside of school and interact with all kinds of people. Intergenerational exchange is very important when you want to broaden your horizons and think about the future.

[Convenience Store Man] Sayaka Murata: Interesting five senses and inorganic expression.

The first sentence of the piece begins, "Convenience stores are filled with sound." Throughout this work, the inorganic nature of convenience stores and the frequent use of the five senses, including the sense of hearing, gave me the feeling that the convenience store was an exciting place to read about.

2024.05.01 2024.06.25

[All the Lovers in the Night] Mieko Kawakami: Superimposing the Light and the Self in the Midnight of Winter

Although he did not fit in very well in the real world and felt stifled, he was serious and direct about his job as a reviewer and was doing his best to make a living, and he may have been projecting himself into the existence of a night light after ordinary people who fit in well in society, the big light of day, or perhaps he was overthinking it. Perhaps I am overthinking it, but I felt it.

2024.05.04 2024.06.24

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