Create index.md

Author: ichirowo

1209/3030/index.md

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+---
+layout: pid
+title: RP2040-Grove Board
+owner: FLINT
+license: CC BY-SA 4.0
+site: https://flint.works/p/flint-rp2040-grove-board/
+source: https://flint.works/wp-content/uploads/2023/01/6fd214e8c67919c67936bbb685d28d22.pdf
+---
+Compact size of 66mm × 24mm, featuring an RP2040 microcontroller and 16Mbit flash memory, allowing easy porting of programs developed on the Raspberry Pi Pico. We added Grove connectors, made it into a USB dongle, and enclosed it in a case.

org/FLINT/index.md

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+---
+layout: org
+title: FLINT
+site: https://flint.works/
+---
+Developer of tools for microcontroller boards, peripherals, and electronics hobbyists