PWM Input mode on STM32 timers is a powerful feature that allows the microcontroller to directly measure the characteristics of an incoming PWM signal, such as its frequency and duty cycle. By configuring the timer’s input capture channels...
READ MOREIn this part, we will use the U8g2 library to interface the popular SSD1306 OLED display with STM32. This will demonstrate how to initialize the display and render text and graphics through U8g2. In this guide, we shall cover the following: 5...
READ MOREIn the previous guide of PWM (here), we saw how to configure the timer to operate in PWM mode and update the duty cycle using for loop. In this guide, we shall use DMA and set of predefined duty cycle to update two channels of PWM. In this guide...
READ MOREIn this part of the guide, the emulated I2C sensor will handle incoming configuration data sent by the master device. This allows the STM32 to mimic a real sensor’s behavior by accepting register writes that define its operating mode and...
READ MOREThis guide focuses on implementing ADC oversampling on STM32 to improve resolution and reduce noise in analog signal acquisition. It explains the oversampling principle, hardware configuration, and how to leverage STM32’s built-in support...
READ MOREU8G2 is a powerful, open-source graphics library ideal for driving monochrome OLEDs and LCDs with STM32 microcontrollers, offering extensive display support and efficient rendering. This first part of the guide covers the essential steps for...
READ MOREControlling a servo motor is a fundamental task in embedded systems, often used in robotics, automation, and mechatronics to achieve precise angular positioning. In this section, we will explore how to use an STM32 timer to generate the PWM...
READ MOREIn this second part of our UART guide series, we will learn how to transmit data efficiently using interrupts and DMA.These advanced methods free up CPU resources, enabling non-blocking communication for real-time embedded applications. In...
READ MOREIn this first part of our UART guide series, we will explore how to configure UART and send data efficiently.Mastering these basics is essential before diving into advanced reception and interrupt techniques later. In this guide, we shall cover...
READ MOREInjected channels in STM32 ADC provide a high-priority conversion mechanism that interrupts regular ADC conversions to perform critical measurements instantly. They are ideal for applications requiring precisely timed sampling, such as motor...
READ MORETimer encoder mode in STM32 microcontrollers allows direct interfacing with quadrature encoders to measure position, speed, and direction without complex software decoding. By leveraging the timer’s hardware decoding capabilities, embedded...
READ MOREIn this part of the STM32 ADC series, we explore how to use external triggers from timers to start ADC conversions automatically. This method enables precise and periodic sampling synchronized with timer events, ideal for real-time control...
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