Others: hardware and software

Hello.Forgive me for what might be an incredibly "noob" question, but i'm not ashamed to admit that I am, in fact, a noob.I've been trying and failing and trying and moderately succeeding over the last few days using NanoEdge AI Studio creating an audio classification model.I'm using an Arduino Uno R4 Wifi.  I also have a MAX4466 connected to A0, GND, and 3.3vMy entire process up until now.1. Get a sketch running on my arduino which simply does a micValue = analogRead(A0) in a loop for 1024 times.  For each read, i so a Serial.print(micValue); Serial.print(" ").  After 1024 of those, I do a Serial.println("") to go to the next line.2. With that running on the Arduino, I opened NanoEdge Studio, created my project, recorded a bunch of signals of background_noise, silence, me speaking and another sound that i want to classify.  It's not a HUGE dataset, only a couple of minutes, but i'm increasingly adding more to each Class.3. I ran the benchmark.4. The benchmark produ

I have experience with PIC and AVR microcontrollers, but they lack the good debug features of the STM8 series. Furthermore, these microcontrollers aren't cheap. While looking for simple and inexpensive chips, I keep coming across the STM8 series.Mastering a new microcontroller takes time. I'm confused about learning the STM8 because STMicroelectronics is recommending their STM32 series, which uses the ARM Cortex-M core. This recommendation makes me wonder if investing time in the STM8 is a good idea, or if it would be better to learn the more widely-supported and future-proof STM32 family. 

Dear ST Team,I am using STM8L052R8T6.I have already configured an external interrupt on PC0 (PORTC, pin 0).Now I want to configure an external interrupt on PF0 (PORTF, pin 0) as well.Since both pins have the same pin number but belong to different ports, I would like to know:Can PC0 and PF0 generate external interrupts independently?How should the EXTI configuration be done for multiple ports?Which EXTI registers and interrupt handlers should be used for PORTF?Could someone please provide guidance or a simple example for configuring external interrupts on PC0 and PF0 on STM8L devices?Thank you.

STM8L052XX – External interrupt on same pin number with different ports (PC0 & PF0)I am using STM8L052R8T6.I have already configured an external interrupt on PC0 (PORTC, pin 0).Now I want to configure an external interrupt on PF0 (PORTF, pin 0) as well.Since both pins have the same pin number but belong to different ports, I would like to know:Can PC0 and PF0 generate external interrupts independently?How should the EXTI configuration be done for multiple ports?Which EXTI registers and interrupt handlers should be used for PORTF?Could someone please provide guidance or a simple example for configuring external interrupts on PC0 and PF0 on STM8L devices?Thank you.

Hello everyone,I’m currently researching AI-assisted development tools that support rapid prototyping for small apps and utilities, such as simple generators (for example, nickname or stylish name generators). The goal is to understand how these tools help streamline logic building, UI structuring, and overall development workflow without relying heavily on boilerplate code.I’m particularly interested in learning from real-world experiences:Which AI or low-code tools have you found effective for quick app or theme creation?What challenges did you face regarding customization, optimization, or long-term maintainability?Are there best practices to ensure AI-generated code aligns with embedded or performance-focused environments?

Hey guys, can you help me find the datasheet for the L9790 chip? It's in the automatic transmission control unit. Thanks.

(MCU:STM8AF6223A-TSSOP20 MCU Label: STM8AF6223PDXLibrary: SPL V2.2.0Compiler SDCC:4.5.0 Debugger:stm8-gdb 8.1Custom MakefileMCU uses internal oscillator runnnig 16 MHz)Hi I'm Attila.When I enable the ADC1 Scan Mode and DataBuffer with ADC_Channel >= ADC1_CHANNEL_2 TIM1_CH2N waveform distorted.Oscilloscope CH1(Yellow) -> TIM1_CH1NOscilloscope CH1(Light Blue) -> TIM1_CH2NFor example when ADC_Init() with ADC1_CHANNEL_2when ADC_Init() with ADC1_CHANNEL_1ADC1_CHANNEL_2 is the AIN2 but Before the operation, i program the option bytes for enable the complementary channels.What causes the distortion?Best regards.Bonus.I also try disable TIM1_CH2N with TIM1_OC2Init() function i realized that ADC sampling effect that pin .Some piece of code  void main(void) { CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); ADC_Config(); TIM1_Config(); ITC_SetSoftwarePriority(ITC_IRQ_ADC1, ITC_PRIORITYLEVEL_2); TIM1_Cmd(ENABLE); TIM1_CtrlPWMOutputs(ENABLE); TIM1_SetCompare1(66); TIM1_Se

I need an RF communication solution which has the properties of minimum 2Mbit/s, 200m line of sight, below 1ms RF synchronization, mesh capability, 50m for tall building floor to floor, and wake on RF

I'd like to know about the write cycle for the m95p16i EEPROM.I'm using "Page write (02h)" to write 32 bytes to page 0.The first write is to address 00h, the second to address 21h.I continue to write 32 bytes at a time, writing 16 times until the last address on the page.Does the write cycle increase by 1 in reverse order? Or does it increase by 16 cycles because of the 16 writes?If it's 16 cycles, can you recommend a way to improve the write cycle?

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Dear ST team, STM8S103f3   I need to initialize interrupt but how I can define particular pin of the port for interrupt .Or how to initialize two interrupt in one port.please share example or library   RM0016thanks and regardsGuddu  

 Since I use Linux and am accustomed to Python scripts, I decided to create a script that generates file systems with all the contents of a directory.I was inspired by the work of Jim Pettinato and Simon Goldschmidt, with no difference in the result, only changing the language.I am also finalizing another script that will be in this same repository that will generate endpoints for RESTful, based on a Swagger file that will describe the endpoints requested by the web page or other application.If you have any questions or suggestions, please feel free to ask.These projects are part of my STM32 studies, and I am migrating the tools I use to other processors.

Hello ST Team, We are using the STEVAL-MKI109V3 as the motherboard and STEVAL-MKI208V1K (IIS3DWB vibration sensor) as the daughter board. We currently communicate using the USB virtual COM port at 115200 baud and send ASCII commands such as: *SETDB208V1 *ZOFF *W10A2 *DEBUG *STOP These commands work correctly over USB. Objective: We would like to print the data serially using the same commands, but over Bluetooth, not USB. The accessory board STEVAL-MKI115V1 is no longer available in the market. We tried using an HC-05 Bluetooth UART module, connecting it to BT_TX and BT_RX (J9 connector), but it did not work, so the default MKI109V3 firmware support UART input/output on the BT_TX / BT_RX pins ?   Can we connect a standard Bluetooth SPP module (HC-05 or similar) to BT_TX / BT_RX and send the same ASCII commands (*SETDB208V1, etc.) wirelessly? Or is USB the only supported communication interface in the default firmware for command parsing and data streaming? Any guidance or doc

Hi Team,I was working on STM32F103C8T6 Bluepill board. I was using this board with ST-LinkV2 to connect with CubeIDE. When i tried to flash a sample LED blink program via CubeIDE, it gave an error saying 'Target not found'. But at the same time i was able to connect this board via cube programmer using same ST-Link and write sample LED code into the board. I have also tried to put the board into DFU mode by changing BOOT0 to 1 and connected with a usb cable to my linux machine. when i tried 'lsusb' it didnt show DFU mode status of the board. Please help me to resolve this issue.

Hi, Could you please provide the top marking information for parts VNP49N04-E and VNP35NV04-E for part verification? Thanks  Jay Trivedi

i have a problem that has bugged me for a while now. Im using a stm32f4 microcontoler to read data from stpm34 microchip, but i can not establish a spi connection betwen them. With my logic analyzer i can see that i send mosi, the clock works and i believe the enable , chipselect and syn all work as they should. But on miso i get 0xffffffff or 0x808080 or 0xffcffeff... changing randomly. I dont know what is causing the problem. Im designing my own pcb but for now im powering the chip via arduino, and i am using stm32f4 discovery(arduino, becase the discovery has only 3v) gnd connected ofcoirse.Is it soldered wrong? Are the pads on the bottom not connected? Is the code not ok?.... any help will be welcomed and thank you in advance.Code: /* USER CODE BEGIN Header *//**@file : main.c@brief : Main program body@attentionSTM32F4 + STPM34 SPI FIXED VERSION*//* USER CODE END Header *//* Includes ------------------------------------------------------------------*/#include "main.h"/* Private var

Hello Cant find any data of this product form st 095RONT EL4U1TF ACan please somebody help me ? 

Hi. I'm working with the STM8TL52F4 MCU and its touch/proximity sensing peripheral. I made a simple touchkey use Halt or Activate-Halt for my project. Does anyone know of any sample code exploiting the ProxSense feature of STM8TL5x MCUs? Thank you.

Split from Is STM8 recomended for beginners?Originally in reply to this post.STVD Version 4.3.12 (August 4, 2017!!) runs fine here on W11.

We don't want to use I2C, in TDA7577BLVPDWe want to use TDA7577BLVPD in legacy mode how can we set gain to 16dB in legacy mode?I could not find any reference in parts datasheet

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Just installed eDSim 9.2 and on first run it stalls at 45%  Looks like SIMetrix.exe is the problem. Tried  running as admin, reinstalling without success. Suggestions? 

I hope you are well. I am working at C-DAC Bangalore, and I need guidance on using an ST-SAFE(STPM4RasPI) secure element / TPM module with a Python-based MQTT mTLS client on a Raspberry Pi. A short summary of our setup and goal: MQTT broker is already configured for mutual TLS (mTLS). Client device: Raspberry Pi . Goal: build a Python-based MQTT client that uses the private key stored inside the ST TPM/STSAFE module during the TLS handshake (so the private key never leaves the secure element). Specifically, we would like to know: Supported approaches / APIs: Which approaches or libraries do you recommend to make a Python TLS client use the TPM-held private key? (For example: ST library/SDK, or other middleware.) Python ecosystem support: Are there recommended Python libraries or examples for MQTT clients (e.g., paho-mqtt or other clients) that can be configured to use a TPM-backed key for TLS? We would greatly appreciate sample code snippets or a

Dear ST team, Please help to select controller for industrial automation. I have to design product for panel just to drive dc fan where the temperature high for cooling purpose.STM8 controller STM8S003F3P6, STM8S103F3T6, one of the controllers is suitable?Kindly provide contact details of your technical support team.

Hi everyone,I recently purchased these chips they look original as the seller only sells genuine parts, but when I check them with a DMM, the Tab and pin 15 should have continuity these dont, Pin 15 and 8 should have continuity these dont. Can anyone help identify if my method was correct as I was following the actual datasheet for these and they dont match.