The Serial Peripheral Interface (SPI) is one of the most common protocols for connecting microcontrollers to external devices such as sensors, memory chips, and displays, making it an essential tool in any embedded developer’s toolkit. In...
READ MOREIn Part 2 of our series, we will configure the STM32WB55 to initialize its Bluetooth Low Energy stack and start broadcasting advertising packets. You’ll then learn how to detect the device and establish an active connection directly from your...
READ MOREExpanding upon our single-channel DMA foundation, this guide scales the STM32F4’s ADC to simultaneously sample multiple analog channels. By enabling the ADC’s scan mode and linking it to the DMA controller via LL drivers, the system...
READ MORETaking data acquisition to the ultimate level of efficiency, this guide explores using Direct Memory Access (DMA) to capture continuous single-channel ADC conversions on the STM32F4. By configuring the DMA controller alongside the LL drivers, the...
READ MOREA responsive menu system is the backbone of any interactive embedded device, but navigating it without screen tearing requires careful state management. In this guide, you will learn how to build a sleek, zero-flicker OLED menu using U8g2 that is...
READ MOREBuilding upon the basic single-conversion method, transitioning to continuous mode with interrupts unlocks a highly efficient, non-blocking approach to capturing analog data. This technique frees up the CPU to handle other critical tasks while...
READ MOREIn Part 1 of our BLE application development series for the STM32WB55! In this guide, we will explore the key features of the STM32WB55, introduce core Bluetooth Low Energy concepts, and configure a basic GPIO to blink an LED as our first step...
READ MOREThis guide demonstrates how to configure the STM32F4 Analog-to-Digital Converter (ADC) using the Low Layer (LL) drivers for a straightforward single-channel, single-conversion read. By bypassing the overhead of the Hardware Abstraction Layer...
READ MOREAdding fluid, dynamic animations to embedded displays doesn’t require a high-end GPU or a complex graphics framework. In this guide, you will learn how to use the U8g2 graphics library to build a zero-flicker, high-frame-rate audio...
READ MOREBuilding a professional embedded user interface doesn’t require an expensive color TFT. In this guide, you will learn how to use the U8g2 graphics library to craft a sleek, responsive dashboard with dynamic data and progress bars on a...
READ MOREThe INA219 is an I2C-based power monitoring module designed to measure high-side DC voltage, current, and power in real time. Interfacing this sensor with an STM32 microcontroller enables precise power tracking using standard HAL I2C drivers for...
READ MOREIn this fifth part of our STM32 Low-Layer (LL) I2C series, we complete our non-blocking driver suite by leveraging Direct Memory Access (DMA) for memory read operations. We will demonstrate how to configure the DMA controller and manage the I2C...
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