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ESP32C3 sd card #8824

Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2

How to use SD card with esp32 – 2

SD Card:

ESP32-C3 SD SPI mode, arduino example fails, IDF example works (compiled in an arduino project)

TTL to RS-485

MAX485 TTL to RS-485 Interface Module

TTL 轉 RS485/RS422 模組 MAX485 Arduino 可用

PID Control:

AutoPID