In this part of the guide, the focus is on how the emulated sensor uses interrupts to inform the master about new data availability or status changes. This mechanism mimics real-world sensors that signal the master through dedicated interrupt...
READ MORETimer synchronization on STM32 allows multiple timers to operate in a coordinated manner using trigger modes, enabling one timer to act as a master and others as slaves. This mechanism supports precise phase alignment, cascaded triggering, and...
READ MOREIn this guide, we will demonstrate how to render images on the SSD1331 OLED display by sending bitmap data directly from a C array.Using this function, we can efficiently transfer preprocessed RGB565 image data to the display, enabling full-color...
READ MOREIn this two-part guide, we explore how to interface the DS18B20 temperature sensor with an STM32 microcontrollerusing the 1-Wire communication protocol. The first part introduces the fundamentals of the 1-Wire protocol, explains how the DS18B20...
READ MOREIn this part, we dive into how the STM32 receives data from a 1-Wire sensor, interpreting the precise timing signals that represent logical bits. Understanding the reception phase is crucial, as it ensures accurate communication and reliable data...
READ MOREIn this guide, we demonstrate how to emulate an SPI-based sensor using two STM32 Nucleo-64 boards—one configured as the SPI master and the other as an emulated SPI sensor. In Part 1, we will discuss the importance of this setup and explain how to...
READ MOREThe 1-Wire protocol is a simple, low-speed communication standard developed by Dallas Semiconductor (Maxim) that uses just a single data line and ground for both power and data exchange. It enables multiple devices, such as sensors and memory...
READ MOREThe 2.15-inch E-Paper display is a low-power, high-contrast screen that mimics the appearance of printed paper, making it ideal for battery-powered and sunlight-readable applications. In this guide, we will explore how to interface it with an...
READ MOREThis guide demonstrates how to interface a Nokia 5110 display based on the PCD8544 controller with an STM32 microcontroller using the U8G2 graphics library. We will cover hardware setup, library integration, and display initialization to build a...
READ MOREIn this guide, we will focus on the firmware side by initializing the SSD1331 controller and preparing it for operation. Once initialized, we’ll implement a simple routine to draw a single pixel on the OLED display as the foundation for more...
READ MOREIn this part of the guide, we will extend the emulated sensor by introducing control over the rate of its internal ADC conversions. By adjusting this rate, the slave STM32 can mimic real-world sensors that allow the master to configure sampling...
READ MOREUsing DMA in normal (non-circular) mode with the IDLE line interrupt turns UART reception into a smart, event-driven system. Instead of blindly filling buffers, the DMA captures bursts of unknown-length data in one shot, and...
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