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Arduino Nano ESP 32 board (ABX00083) SPI interface not working

I am working on a simple code to write data to a MicroSD card using Arduino nano ESP32 (ABX0083) and Df robot SPI MicroSD card module(DFR0229). I am not able to write to the SD card. I get the error ...
Nithin's user avatar
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74HC595 chip with 7 segment display constantly displays either all 1's or all 0's

I made a simple circuit with an Arduino Nano ESP32, where I have connected a 74HC595 8-bit shift register chip, as well as a 7 segment display with a 100 ohm resistor on common (cathode) to show the ...
Niko's user avatar
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