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Questions tagged [stm32f1]

Anything related to the STM32F1 series of microcontrollers. F1 series of mainstream MCUs covers the needs of a large variety of applications in the industrial, medical and consumer markets.

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1answer
54 views

Arduino STM32 bluepill generate PPM

does anyone knows is there a way to generate PPM (CPPM/PPMSUM) on STM32 Bluepill Arduino? Tnx in advance?
2
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1answer
425 views

Turn on a microcontroller using a high-side Mosfet switch

I am using a P-Channel Mosfet to control the power of an STM32F103VETE ARM microcontroller (MCU1). The source of the Mosfet is connected to 3.3 V and the drain goes to the MCU1 Vdd pins. The gate of ...
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3answers
238 views

STM32F103 - Single pin shorted to VDD?

I have a custom STM32F103C8T6 board. Long story short, the MCU works fine, I can connect to it, program it, read sensors, toggle GPIO etc. The problem is that, one of the crucial pins seems to be ...
0
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1answer
564 views

USART not working with CP2102 adapter and STM32F1 Blue Pill board

Having programmed 8-bit AVR MCU's, I bought Blue Pill STM32F103C8 dev board from ebay. It has 8MHz external crystal and I program it with ST-Link on Mac. I saw a lot of options like HAL, etc, but I ...
0
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1answer
76 views

STM32F1 FreeRtos Debug B SVC_Handler

i tried to run port FreeRtos V9 to stm32f103 with iar compiler made project my self.but when debugging , after call vTaskStartScheduler(); microcontroller jump to ...
1
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1answer
8k views

How to (best) use a SPI SD card with STM32F1 or STM32F4?

Below, is the SD card reader I would like to use. It's using SPI. On an Arduino I got it to work (using SPI). However, I want to test it on a STM32F103C8T6, and later use it in STM32F407VET6. ...
8
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2answers
21k views

Clearing USART (UART) interrupt flags in an STM32?

I am using an STM32F105 to communicate with a Linx GPS chip using a UART. If I don't use interrupts (if I just poll the RX flag) then it works just fine. But I'm getting unexpected results when ...