Search found 4 matches

by Plexi47
Fri Feb 04, 2022 5:50 pm
Forum: General discussion
Topic: Nucleo 64 F401-RE spi problem
Replies: 5
Views: 1945

Re: Nucleo 64 F401-RE spi problem

It works!
Problem was in the library that uses default SPI.
Modify the library by ,
As per you suggestion , open a new class SPI_3 and changed all
commands related.Now is OK ,no default SPI opened and SPI_3
working.
Thanks a lot
by Plexi47
Fri Feb 04, 2022 3:37 pm
Forum: General discussion
Topic: Nucleo 64 F401-RE spi problem
Replies: 5
Views: 1945

Re: Nucleo 64 F401-RE spi problem

#include <Wire.h> #include <MCP48xx.h> MCP4822 dac(PC9); int Pulse = LOW; int I2C_msg; // Stores command I2C from Raspberry PI //various IO pins #define UVled A2 // UV intensity #define OnBoardLed 13 // arduino led #define Switch A5 // Enable switch control //------------ Stepper motors control ---...
by Plexi47
Fri Feb 04, 2022 3:18 pm
Forum: General discussion
Topic: Nucleo 64 F401-RE spi problem
Replies: 5
Views: 1945

Nucleo 64 F401-RE spi problem

Hi all, As I wrote in the presentation topic I'm building a film scanner that utilizes 3 stepper motors. On top I need also to control 2 leds for which I use a DAC (MCP4822) that is controlled via SPI. Because the stepper shield (Arduino CNC shield) use the same pins of SPI-1 (D11 MOSI D13 SCLK) I s...
by Plexi47
Fri Feb 04, 2022 3:08 pm
Forum: Let us know a bit about you and your projects
Topic: Hi from Italy
Replies: 0
Views: 1718

Hi from Italy

My name is Mauro,I'm a veteran,I'm 75, but still open to learn. I'm now trying to build up a film scanner
to review my 7 years African experience reversed in super8 films. So I need some advices....
Mauro

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