Skip to main content
694 questions
Newest Active Bountied Unanswered
Filter by
Sorted by
Tagged with
0 votes
0 answers
52 views

I'm just an engineer student and I have such a project. But I didn't find enough resources to read except the datasheets it seems like the PIC24 is not being used a lost in the industry and there is a ...
skander's user avatar
  • 41
0 votes
0 answers
260 views

I've been writing writing C code on AVR for years (no arduino, just a makefile). However I need to do something bigger, so I chose an ESP32 Feather S3 board and interfaced it with my own board. I'm ...
Wojciech's user avatar
  • 1
1 vote
0 answers
179 views

I try to do some measurements of the speed of sound with an esp32 and two microphones. I placed the microphones a meter away from each other and try to detect bang on them. I would love to get at leas ...
JB_'s user avatar
  • 11
1 vote
1 answer
230 views

I want to read 4 ADC channels (PA0,PA1,PA2 and PA3) in scan-continuous mode using DMA, the problem is that once the uC runs the program it just perform one ADC read sequence and then it gets "...
JPgiq's user avatar
  • 84
0 votes
1 answer
61 views

I want to create an interrupt service routine for the ADC interrupt that is caused by the ADCI flag when a conversion is finished. However, I can't find the interrupt vector to answer to said ...
N.I.'s user avatar
  • 3
0 votes
0 answers
522 views

I'm trying to set up my STM32 to read signals from both ADC 1 and 2 through DMA, while keeping the rest of my program running through FreeRTOS tasks scheduling. At this moment, my tasks only manage ...
Runzolf's user avatar
  • 11
1 vote
0 answers
579 views

I'm trying to read multiple ADC channels on a STM32F302VC. I wanted to exploit the scan conversion mode, in order to have a fast sequence of reading. After I set every channel with the .ioc file, by ...
Runzolf's user avatar
  • 11
0 votes
0 answers
599 views

I want to read the ADC values from the pins of the STM32F072C8U6 MCU. But the values I read are not consistent with the ones I measure with an oscilloscope, and sometimes I can read them, sometimes I ...
jayy_nguyen's user avatar
  • 3
0 votes
1 answer
309 views

I was wondering how to create an array on STM32cubeIDE. I like to fill this array with values from an independent LDR. Below is the set-up code for the ADC: /*User Begin PV*/ uint16_t value_DAC = 0;...
Kevin's user avatar
  • 3
-1 votes
1 answer
424 views

i want to read out an 32 bit Sigma Delata ADC per DMA over the SPI Interface with an STM32F767. There is an Data Ready Signal which indicates that there is new Data available. My current idea is to ...
Ruffy's user avatar
  • 27
1 vote
2 answers
176 views

I'm working on an AVR ATMega32a microcontroller-based project where I'm using a servo motor to rotate from 0 to 90 degrees while capturing ADC values at each degree of rotation. I aim to synchronize ...
Fernando V's user avatar
  • 33
1 vote
1 answer
267 views

I have written a program to read adc values from an atmega2560 in two modes, a single sample mode that prints a sample for each channel selected by user, and a bulk mode that works by filling a buffer ...
beginner's user avatar
  • 47
-1 votes
1 answer
192 views

I have this code that takes multiple adc conversions and send them on serial, if I don't add a 3 ms delay after set_ADMUX() the ADC sample is not the correct one for the channel, but I think it's a ...
beginner's user avatar
  • 47
0 votes
1 answer
383 views

I have an array of 256 elements that I want to set the DAC to: HAL_DAC_Start_DMA(&hdac, DAC_CHANNEL_2, (uint32_t *)array, 256, DAC_ALIGN_12B_R); DMA is triggered by TIM2, 256 timer cycles take ...
Chey's user avatar
  • 25
0 votes
0 answers
99 views

I've got a bit of a unique problem with a raspberry pi pico (or maybe I just don't know the right terms to search). I have an analog sensor on an accelerator pedal for a simulator I'm putting together....
Brennan Thomason's user avatar
  • 1
2 votes
1 answer
294 views

I am planning to construct a spectrometer. My aim is to rotate the grating and capture light intensity using a 3pin photodiode(S9055 series) and to plot a graph of Intensity Vs rotation angle using ...
Fernando V's user avatar
  • 33
0 votes
1 answer
376 views

In a nutshell, I am using this ADC to read the output of a sensor via an amplifier. I verified that the output of the Op-Amp was what I expected, and it is. The voltage is correct when measured right ...
LoneRetriever's user avatar
  • 129
1 vote
1 answer
485 views

I'm looking for guidance on how to select the Sampling Time for the ADC on my STM32L432KCU6. I found some tables in AN2834, but they are for the STM32H7 Series. I'm interested in getting ±0.5 LSB ...
DarkHelmetProgrammer's user avatar
  • 11
0 votes
0 answers
289 views

I use multichannel(7 channels) adc1 in circular an scan mode with dma.i use ll functions and read adc values in dma_stream_IRQHandler function.the values are not exact and stable.adc sample clock is ...
bahman bakian's user avatar
  • 1
1 vote
1 answer
178 views

I want to output some adc conversions on cutecom using atmega2560, set 16 bit clock with 64 prescale at 16 Mhz to trigger adc conversion (each takes 13 clock cycles) and that should be around 19000 ...
beginner's user avatar
  • 47
1 vote
1 answer
1k views

I am working with STM32H743ZI for GPIO, I2C, SPI, ADC. I want to read analog voltage from 8 different channel of ADC1. My code works properly, but there is offset voltage that i dont want to. I am ...
Kaan Kurtça's user avatar
  • 23
0 votes
0 answers
414 views

sorry if this question is worded poorly -- I am really new to the ESP32 and embedded programming in general and I'm struggling to understand how to do this effectively. I will try my best to organize ...
Caden H's user avatar
  • 1
1 vote
1 answer
714 views

I need to setup the internal adc of my stm32f030 in order to make it working in single conversion and scan mode. Because I can't use HAL library I need to implement the code at the register level. I ...
Andrea's user avatar
  • 109
1 vote
1 answer
5k views

I want to use ADC1 scan mode to read three channels of the ADC1 using DMA. I defined a buffer for ADC as shown below: uint16_t adc_buffer[3]; Then I started DMA using the following function: ...
Idin Esmkhani's user avatar
  • 41
0 votes
1 answer
539 views

I want to read ADC1 and ADC2 on an STM32 using DMA. I use ADC callback as shown below: void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc) { } How can I make a decision between ADC1 and ADC2? For ...
Idin Esmkhani's user avatar
  • 41
1 vote
0 answers
113 views

I am trying to use a joystick as a controller for my snake game using a Raspberry Pi. The problem is that my analog signal reader is blocking the code for the game itself. When I load in the game the ...
Paul Huynh's user avatar
  • 23
-2 votes
1 answer
137 views

I want to work on ADC (ads8556). In Figure 3 In the Parallel Read Access Timing Diagram, when the conversion time (tconv) finishes, and during the acquisition time (tACQ), there are multiple ...
hasan altaey's user avatar
  • 3
0 votes
0 answers
218 views

Please be patient with me. I am only a beginner and I am still learning proper code formatting. I have broken my program down to the very basics. Here's the issue. I've enabled adc0 as an input ...
Dean Hill's user avatar
  • 1
2 votes
0 answers
2k views

How to correctly and repetitively stop and restart ADC with DMA in STM32L476RG? I need to measure signal a number of samples before the trigger and a number of samples after the trigger. I set: DMA in ...
hooboe's user avatar
  • 143
0 votes
1 answer
87 views

I wanted to measure voltage with command chan = and write the voltage value to array which has dimensions 128x128 and contains 16384 voltage values. I set ADS1115 sample rate to 128 samples per second....
Malum Phobos's user avatar
  • 79
0 votes
1 answer
3k views

I use ADC3 on STM32H7, I need to know (and set) what is sampling frequency. I use 3 channels in 16 bits. What I tried to calculate? From this image I should have Fadc_ker_ck = 30 MHz, becase my ...
WITC's user avatar
  • 337
1 vote
0 answers
133 views

I am using stm32wl55JC1. I am making FFT project with ADC mic. I manage to get this work with my workspace but now I need to implement this on Application here github . So I try to implement my ...
Tryingtogetsome's user avatar
  • 71
1 vote
0 answers
82 views

I am trying to calculate the voltage of a circuit with an ADC, the problem is that I am seeing that the voltage reading has to be done from a function and that it depends on the current of the circuit,...
daniel castellanos's user avatar
  • 51
2 votes
0 answers
751 views

My setup: The signal is connected to the analog input of the STM32F767. ADC sampling rate should be at least 192kHz because input signal frequency is between 1Hz and 40kHz. Also STM32 connected to ...
anton lobanov's user avatar
  • 41
0 votes
0 answers
293 views

I’m trying to implement ADC conversion from gpio analog input at the sample rate of 192 kHz. Then I want to send the array of samples over tcp to the client. My question: How to implement ADC ...
anton lobanov's user avatar
  • 41
1 vote
0 answers
633 views

I’m trying to implement ADC conversion in a non blocking mode using DMA from gpio analog input at the sample rates: 192kHz. My questions: How to be implemented ADC in non-blocking mode (DMA). ...
anton lobanov's user avatar
  • 41
0 votes
0 answers
28 views

I'm coding a device that works with a pressure sensor (with a RPi and via a MCP3008 ADC). When looking for its value MCP3008(0).value the program may freeze. I'm looking for a way to overcome that. I ...
MrRaggamuffin's user avatar
  • 1
1 vote
1 answer
635 views

I am working with a RPI Pico w, I have an analog microphone connected correctly and outputting raw audio data, how do I convert it into a file I can listen to?? I am using the micro python language.
SweetWhite's user avatar
  • 71
1 vote
1 answer
140 views

I have connected an analog joystick to my Raspberry Pi 3B, and I'm trying to get the up down left right movement to map to W A S D. The code looks like this: #!/usr/bin/env python3 import RPi.GPIO as ...
wahhhh's user avatar
  • 31
1 vote
1 answer
6k views

I want to use ADAFRUIT LM4040 module as External Voltage Reference with Pico VREF pin With Arduino boards I have to use 'analogReference' command to specify that I'm using an EXTERNAL voltage ...
Ray's user avatar
  • 45
0 votes
0 answers
263 views

I am using a Nucleo H723ZG and my ADC(s) behave weirdly. I need only one ADC, from the datasheet the ADC3 supports 5 MSPS. Since I needed the highest possible sampling rate, I've chosen this one. The ...
Justin Time's user avatar
  • 81
0 votes
0 answers
457 views

Trying to code a function to read the ADCs on my PICO W using the latest uPython version and also the latest Thonny IDE version. this is the code for the function: def getADCvalue(ADCchannel): value = ...
Enginebeat's user avatar
  • 23
0 votes
1 answer
98 views

I try to use ChibiOS presetted ADCs. Available channels following the specification: PC1, ADC1 IN11 PC2 ADC1 IN12 PA6 ADC2 IN6 PA7 ADC2 IN7 PB0 ADC2 IN8 Temp Sensor ADC1 VrefInt ADC1 Vbatt ADC1 ...
Jalui's user avatar
  • 13
-1 votes
1 answer
178 views

I'm using an arduino uno and some 7 segment displays to count from 0000 to 9999, i'm using the decoder cd4511 to save some ports, but in order to have the thousands in my counter, i needed to use the ...
Andrew_Ryan's user avatar
  • 3
1 vote
0 answers
187 views

The data that I am getting on Putty I am currently working on a personnal project and I would like at the moment to understand the basics of ADC using DMA and transmitting values using UART to my ...
Arthur's user avatar
  • 11
1 vote
1 answer
2k views

I have a STM32L151RBT6 with 1 ADC and 2 channels configured. The ADC is configured in "scan mode" and "continuous mode". The ADC has a resolution of 12 bits. The ADC values are ...
Dario.Casciato's user avatar
  • 850
1 vote
0 answers
440 views

I am trying to get an ADC and external oscillator (ADS131M02-q1 and SG531p respectively) to read a 1Vpp@60Hz signal from a function generator to print to a Raspberry Pi my issue is that the ADC ...
Michael Parsons's user avatar
  • 11
2 votes
0 answers
230 views

I want to able to send my ADC values to a Nodemcu to put them a Web UI but I even could not send any UART value to a serial port and I did not catch the problem. I set my variables and libs like: #...
MrElectronicEngineer's user avatar
  • 21
-2 votes
1 answer
178 views

EDIT NEW PICTURE void setup() { Serial.begin(9600); Serial.println("Setup completed."); } void loop() { // Read external battery VCC voltage Serial.print("Bat: "); ...
electro_nooobbbb's user avatar
  • 1
0 votes
0 answers
547 views

I'm currently setting up an AZURE RTOS (ThreadX on STM32), with Ethernet, SPI and ADCs activated. This STM32 has to pass-through configuration information from time to time, coming from my PC over the ...
Justin Time's user avatar
  • 81

1
2
3 4 5
…
14