That is library for character LCD with many connection options.

Taiga Develop 6b1ecfc1ee Sync test. 2 hete
build-generic 67e239c9d1 Sync. 2 hete
headers 7b0d89ab72 Sync. 2 hete
include a7bad0dcb3 Sync. 2 hete
source a7bad0dcb3 Sync. 2 hete
sources 6b1ecfc1ee Sync test. 2 hete
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CMakeLists..txt 44da883237 Add ESP-IDF support. 2 hete
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README.md d1d103eb46 Initial commit 2 hete

README.md

cx-chlcd

That is library for character LCD with many connection options.