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Matt Mets on X: "ESP32 trick: Use your microSD jack as a JTAG connector! The ESP32 JTAG pins are all shared with the SDMMC bus, so you can use a microSD breakout
![I've attached a micro SD card adapter to USB A output to the USB A s four wires and I want to know if I'm able to use my uno R3 to I've attached a micro SD card adapter to USB A output to the USB A s four wires and I want to know if I'm able to use my uno R3 to](https://i.redd.it/fy43vfy3w6jb1.jpg)
I've attached a micro SD card adapter to USB A output to the USB A s four wires and I want to know if I'm able to use my uno R3 to
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How To Make Card Reader at Home, DIY Micro SD Card Reader, Make Micro Sd card Reader from MP3 Player - YouTube
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