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2 votes
2 answers
428 views

I need to detect when a 24V pump turns on. I've decided to do this using an optocoupler. Could you please tell me if my circuit is correct?
Sem's user avatar
  • 69
5 votes
4 answers
479 views

Wouldn't the diode block any incoming signals? How does the NRST actually work? All I can infer from the datasheet is the pin is responsible for mcu resets, it has an internal pullup-high resistor ...
Tdengineer's user avatar
  • 115
0 votes
0 answers
45 views

I am working on a problem where I have many SPI devices and many populated SPI inputs on a STM32 H7 Nucleo board. SPI 1, 2 and 3 offer transmitting and receiving data of sizes up to 32 bits, but SPI 4,...
miha medved's user avatar
  • 123
3 votes
1 answer
135 views

I’m using TI’s PCM3168A audio codec on a DSP development board together with an STM32H725IGT, connected via the SAI peripheral in TDM mode. At sample rates of 48 kHz and 32 kHz everything works ...
wanek's user avatar
  • 139
-3 votes
0 answers
44 views

Came here to seek guidance on whether to use ATmega chips or STM32F103 for a Vehicle Control Unit. The computer would be mainly dispatching CAN communication and receiving driver's requests, so ...
Jarosław Jakubowski's user avatar
  • 1
0 votes
1 answer
73 views

I'm trying to figure out, how to configure General purpose timer on STM32C092 in STM32CubeIDE to generate single pulse when triggered from code. I wan't the pin to be low until the trigger comes, then ...
Thugmek's user avatar
  • 53
0 votes
0 answers
31 views

I have mounted 4 mobile charger modules, which are switching power supplies, onto a single PCB. In my circuit, I’m also using an STM32 microcontroller, and I have enabled 4 ADC channels to read ...
Alireza ganjeh's user avatar
  • 1
1 vote
1 answer
105 views

This is my first PCB and I just wanted a review or maybe some tips. Its a STM32 PCB with a USB connection and Micro SD card slot. Its a 4 layer with a SGGS stackup. I was just looking for a review or ...
PeppersONLY's user avatar
  • 11
-2 votes
1 answer
67 views

The STM32H573 SDK includes two HALs: LL and HAL. I could find only one example using the non-octo SPI in slave mode, but it uses the LL HAL, stm32h5xx_ll_spi.h. Is there a non-LL HAL for non-octo SPI ...
personal_cloud's user avatar
  • 794
4 votes
2 answers
525 views

I am using a resistor divider of 523 kΩ on the high side and 10 kΩ on the low side. Using an STM32 microcontroller to read the voltage of the supply. How is the voltage actually being converted to ADC ...
Gokul Karthik's user avatar
  • 579
0 votes
0 answers
76 views

Interfacing SD card with STM32 using SPI interface, SD card is 16 GB, and while storing JSON files to SD card it stores up to 50 files in faster rate but after 50-60 files the rate of storing files ...
Shubham's user avatar
  • 1
0 votes
1 answer
79 views

I am currently working on an stm32-based design. I am trying to understand how to power the stm32 through USB. We came up with the following solution: The idea is that +3v3_power is the main rail of ...
jazam's user avatar
  • 1
2 votes
1 answer
109 views

I am designing a system where I have several daughter boards with voltage or current sensors (several or one on each board). One board is the master with the MCU. Because the system is larger and in a ...
miha medved's user avatar
  • 123
0 votes
0 answers
86 views

I am using a bluepill, and the final case statement is looping constantly from GO_TO_TOP -> COME_TO BOTTOM -> ROTATE_ACTION, the 'top' variable is being latched to '1' at the GO_TO_TOP case ...
Samartha Rao HP's user avatar
  • 1
-1 votes
0 answers
78 views

I want to write an application for stm32h573 that uses a single HAL for a combination of peripherals that are not all used in the same STM32Cube example. However, ...
personal_cloud's user avatar
  • 794

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