4
votes
Accepted
74HC595 chip with 7 segment display constantly displays either all 1's or all 0's
I can't believe a one second delay is needed to clock data out. I have loops that clock out bits using SPI with no delays, which is even faster than shiftOut. See Using a 74HC595 output shift register ...
- 38.9k
4
votes
74HC595 chip with 7 segment display constantly displays either all 1's or all 0's
I would've never ever expected this, but turns out that my MCU was 'too fast' (i suppose) and so nothing would show. This is the code before the fix:
digitalWrite(latchPin, LOW); // Latch the ...
- 93
1
vote
Arduino Nano ESP32 control WS2815 led strip
Since the OP hasnt posted the answer and Question closure may occur, I am copying it over.
I solved the issue with the Arduino Nano ESP32. It wasn't the wiring, but a pin mapping problem in the ...
- 634
1
vote
Arduino Nano ESP 32 board (ABX00083) SD library not working
The code work for Arduino Uno because it is the API for Arduino Uno's SD library. For Arduino Nano ESP32, it is an ESP32, so you should check the example for the ESP32 SD library instead of the one ...
- 1,988
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