Timer interrupts in STM32 microcontrollers provide a powerful way to execute specific tasks at precise time intervals without continuous CPU polling. By leveraging timer interrupts, developers can create efficient and responsive embedded...
READ MOREThis application demonstrates how to configure an STM32 timer to use its External Trigger (ETR) input as the clock source, effectively turning the timer into a high-speed hardware totalizer. By feeding external pulses into the ETR pin, the timer...
READ MOREIn this part of the STM32 ADC series, we delve into the concept of sample time and its critical role in determining ADC accuracy and performance. Sample time directly affects how long the ADC samples the input voltage before conversion...
READ MOREThe External Trigger (ETR) mode in STM32 timers allows synchronization of timer operations with external events or signals, enabling precise timing control in real-time applications. This mode is especially useful when the timer needs to be...
READ MOREEmulating an I2C sensor using an STM32 microcontroller allows developers to simulate the behavior of real sensors for testing or development purposes. By configuring the STM32 as an I2C slave device, it can respond to read and write operations...
READ MOREThis guide explains how to perform SPI communication using MicroPython on an STM32F4 microcontroller. It covers initializing the SPI interface, controlling a chip select pin, and exchanging data with an SPI device such as the MPU9250 sensor...
READ MOREIn this guide, we shall use DMA to capture the both, rising and falling edge of a signal. Once they have been captured, we shall use these to measure the frequency and duty cycle of the signal. In this guide, we shall cover the following: 1...
READ MOREInput Capture Mode in STM32 allows precise measurement of the time between signal edges by capturing timer counter values. It is commonly used for measuring signal period, pulse width, or event timing in embedded applications. In this guide, we...
READ MOREIn this fourth part of the STM32 ADC series, we focus on using interrupts and DMA to efficiently read multiple ADC channels in scan mode. These techniques allow seamless, non-blocking acquisition of multi-channel analog data, significantly...
READ MOREThis guide demonstrates how to use SPI communication on an STM32F4 microcontroller with MicroPython. It shows how to transmit 5 bytes of data repeatedly using SPI1 with PA0 configured as the chip select (CS) pin. In this guide, we shall cover the...
READ MOREIn this small and quick guide, we demonstrate how to perform I2C write operations using MicroPython to update register values on a connected device. This includes writing new data to an I2C peripheral, such as an RTC module, based on specific...
READ MOREIn this third part of the STM32 ADC series, we explore how to use discontinuous mode to read multiple ADC channels efficiently. This mode allows precise control over channel sampling by breaking a regular conversion sequence into smaller steps...
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