695 questions
-2
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How can I solve the error "Required dynamic library jscserdes could not be located" in DSP based PWM generation? [closed]
I am using LAUCHXL-F280049C DSP board for PWM generation. Every time I am trying to run an example file named "cla_ex4_pwm_control", it shows an error like below. Could anyone tell me the ...
- 1
0
votes
1
answer
53
views
STM32F4 ADC Multi-Channel Interrupt Logical Error
I am trying to use interrupts with the ADC module. I am using PA0 and PA1 as analog inputs for the ADC, and PC0 and PC1 as external LEDs. My goal is: when PA0 is triggered, PC0 should turn on. when ...
0
votes
0
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23
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Correct Method for Data Capture and Filtering
Below is my python code for fetching data from ADS1263. The ic has been configured properly and i am getting the data. I want to filter the data on the fly or you can say fetch one data and filter it ...
1
vote
1
answer
47
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why STM32F030F4P6 ADC continue scan mode make pin's voltage is higher (re-up)
I'm using ADC continue scan mode with DMA for 2 channels, config by register, not use HAL library, make sure pin mode is analog mode
When ADC just turn on clock, every thing be ok, voltage of pin PA0 ...
- 21
0
votes
0
answers
41
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Sampling characteristics of nRF52840 SAADC
According to the documentation, the SAADC (ADC) device has a maximum sampling rate of 200kHz (ksps), a value that is the sum of a minimum TACQ (acquisition time) of 3us and a conversion time of "&...
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56
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yl-69 sensor - adc conversion does not change adch and adcl - avr assembly
The YL-69 sensor(for soil moisture using a comparator circuit LM-393) is functional. When tested with C code on the Arduino IDE, it prints the correct values on the serial monitor. However, when ...
0
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41
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daisy-chaining multiple MAX11040K's
Not sure if the is a h/w or s/w issue but here goes- I'm using the MAX11040K to sample 9 channels (all microphones) which give a signal between 0 to 3.3V DC-biased by 1.65V; that's input to all ...
- 41
0
votes
1
answer
49
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Transfer data from RAM to Flash while ADC is running with DMA
I have a STM32WB55VG device where ADC Sampling for one channel is happening at a rate of 40 kHz. As the sampling duration is about 5 seconds the data (400 kBytes) can not be stored in RAM (only 256 ...
0
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0
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98
views
Digispark ATtiny85 AnalogRead() Issues
TLDR: Whenever I try to read a voltage that is lower than about 2.2V the display will freeze up. Only after I increase the voltage then after like 10 seconds it resumes operation.
I am tinkering with ...
0
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0
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70
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AD7124-8 with STM32 Status Register not reflecting active channels
I am creating a project with an AD7124-8 PMDZ eval board with an STM32H755ZI nucleo board.
Communicating through :
SPI Mode - 3 ( CPOL - 1, CPHA - 1 ),
MSB first,
8 bit data length,
No CRC.
I have ...
1
vote
1
answer
72
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How do I get ADC to work on an ATtiny212 using Microchip Studio C code?
I am new to the tinyavr 1 series microcontrollers. I've tried copying the basic example out of the Microchip TB3209 guide, but it doesn't seem to do anything.
I use the below code, where PA3 is an LED ...
- 11
2
votes
1
answer
63
views
ADC7768 CRC calculation
I am using adc7768 to receive ADC samples. According to datasheet to calculate CRC, we can do it every 4th or 16th sample. My question is for 4 samples last 3 samples CRC will be header of 4th sample. ...
- 75
0
votes
0
answers
34
views
How can I plot information from Adafruit ADS1115 smoothly on matplotlib using python
See attached my waveform of input to channel of ADS1115, my code, and my output that I am getting
I cannot get the output matplotlib waveform to plot smoothly like my input waveform from oscilloscope
...
0
votes
1
answer
112
views
STM32C031C6 - FLASH Overflow Error During FFT Implementation with ARM CMSIS-DSP
I am working on an embedded project with the STM32C031C6 microcontroller using STM32CubeIDE. My goal is to perform an FFT on ADC input data and transmit the results over UART. I am utilizing the ARM ...
- 11
0
votes
0
answers
102
views
ADS1263 python voltage reference
For the code for ADS1263 I wanted to measure with voltage reference 3.3V which comes from Raspberry Pi. How command for this should look like?
The code is
import board
import busio
import ADS1263
...
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