STM32 MCUs Products

STM32F334 - ADC1 returns large output with grounded input

Helloon the a.m. device I use both ADC1 and ADC2. The initialization is identical on both. I notice that results fluctuate widely at ADC1 output and reasonably at ADC2 output.Grounding ADC1 input leads to 330-345 LSB.Vdda = 2.5V from precise external...

Looking for eval kit suited for home automation. I need ios/android app control of on/off switch and led driver while being ultra low power/small size/ota updates. Please direct me to which eval kits have the best support/documentation for my application

Initial Signal Condition

Hello,I am using the STM32F767 microprocessor with Bluetooth control. A custom-designed user interface controls the system parameters such as updating the variables and receiving data. But when I power on the system, I flash the code. Then, in the fi...

IOT_HTTP_WebServer Demo has a webserver web page imbedded what tool should I use to edit the web page graphics?

The B-U585I-IOT02A discovery PCA and demo code has a server what tools should be used to modify the screen view tool flow to modify the screen as it related to the STCubeIDE tool?

Code alignment questions

Hello, I am working with STM32G0 with uCOS-II.I was reading some of the actions are fragile to unalignment; I was wondering how to align the code. As per now, the only command I know is : #pragma data_alignment =8 which I use just before launching th...

I2C_FLAG_TXIS is always in RESET state!!

Hi,I would like to use the I2C2 (from I2C3) in "STM32G474_MB1303_DRP_ONLY"besides, modify I2C3_SDA to I2C2_SDA (pc9 to pa8), I2C3_SCL to I2C2_SCL(pc8 to pa9), the AF to GPIO_AF4_I2C2, ...

Ping/ICMP checksum bug in Nucleo-F767ZI ? Firmware? Hardware?

I assume a bug in the Nucleo firmware (MAC driver? PHY driver?) or even the hardware.I have implemented ping.c (from Lwip) on top of the board's Webserver example (from the recent Firmware package), so that it can ping a computer.When the board issue...

I have Question about SPI protocol IP's of STM32L475VG DISCOVRY KIT. In polling mode master receive first 2 byte blank. like slave transmit multiple time = "helloworld" master receive like 1st " hellowor" 2nd "ldhellowor" 3nd "ldhellowor"

Mantion some details->in this STM32L475VG DISCOVRY KIT Rxfifo and Txfifo of spi is 32-bit data register is 16-bit ->data register is send on Txfifo and receive from Rxfifo

Looking for STM32H745ZIT6U

Hi, Am looking for STM32H7ZIT6U for my projects could anyone direct me to a reliable source to find them please?Edit: STM32H745ZIT6U​​Thank you

Trying to read VREFINT using STM32F103C8t6 (Blue pill) and getting wrong value.

Hey, I'm trying to read VREFINT value using internal ADC channel for vrefint, I'm converting data from ADC to voltage and getting 1.34-1.38 V. Datasheet says it should be 1.2-1.24 V. Why my reading has such error ? I'm using 238.5 sampling time for 8...