What is it? This is a breadboard friendly microSD/TF card with the necessary 10kOhm pull-up resistors. Why did you make it? If you've found yourself at midnight trying to get 4-bit SDIO mode workin...Read More…
This is a breadboard friendly microSD/TF card with the necessary 10kOhm pull-up resistors.
If you've found yourself at midnight trying to get 4-bit SDIO mode working on a project and decide to whip out an SD breakout you purchased from eBay and discovered:
a) you bought a breakout with 2mm pitch spacing
b) the breakout you bought only does 1-bit SDIO
c) your MCU doesn't have internal pull-ups on its GPIO and neither does your breakout
d) you just soldered all of your 10kOhm resistors onto your breakout and have no more for your actual project
then this board is definitely for you.
This breakout supports 4-bit SDIO with the necessary 10kOhm pull-up resistors. It works with ESP-32, Arduino, Raspberry Pi, and any other MCU that can feed it 2.8-3.6V.
You can also use this breakout in 1-bit or 4-bit SD mode or in SPI.
2.8-3.6V Pin out: D2, D3, CMD, 3.3V/VCC, CLK, GND, D0, D1, CS
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