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Emulating I2C Sensors Part 6: Interrupt Driven Sample

Posted 18 minutes ago by Husamuldeen

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...

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STM32 Timers Applications: Timer Synchronisation Trigger Mode

Posted 2 days ago by Husamuldeen

Timer 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...

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SSD1331 Color OLED with STM32 Part 3: Draw Bitmaps

Posted 8 days ago by Husamuldeen

In 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...

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STM32 UART Part 8.1: 1- Wire DS18B20 Temperature Sensor – Introduction and setup

Posted 9 days ago by Husamuldeen

In 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...

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STM32 UART Part 7: 1- Wire Protocol Receiving Data

Posted 14 days ago by Husamuldeen

In 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...

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SPI Based Sensor Emulation Part 1: Introduction

Posted 17 days ago by Husamuldeen

In 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...

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STM32 UART Part 6: 1- Wire Protocol Sending Data

Posted 22 days ago by Husamuldeen

The 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...

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Working with STM32 and E-Ink Display Part 1: Introduction and Environment Setup

Posted 24 days ago by Husamuldeen

The 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...

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Porting U8G2 Graphics Library to STM32 Part5: Nokia 5110 GLCD PCD8544

Posted 29 days ago by Husamuldeen

This 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...

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SSD1331 Color OLED with STM32 Part 2: Initialization and Draw Single Pixel

Posted September 24, 2025 by Husamuldeen

In 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...

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Emulating I2C Sensors Part 5: Control Rate of the Conversion

Posted September 20, 2025 by Husamuldeen

In 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...

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STM32 UART Part 5: Receive Unknown Length Using DMA

Posted September 17, 2025 by Husamuldeen

Using 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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