No Flicker, No Mess: Building a 3-Button OLED Menu with U8g2
A responsive menu system is the backbone of any interactive embedded device, but navigating it without screen tearing requires careful state management. In this…
STM32 HAL
A working example uses STM32 HAL driver APIs, beyond an incidental HAL_Delay call.
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Getting Started with BLE on the STM32WB55: Part 1
In Part 1 of our BLE application development series for the STM32WB55! In this guide, we will explore the key features of the STM32WB55,…
Getting Started with INA219 Power Monitoring on STM32
The 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…
Emulating UART Part 2: Sending Data
With the timer and GPIO successfully configured, we will now shift our focus to actively transmitting data. By leveraging the TIM3 interrupt, the microcontroller…
UART Based Sensor Emulation Part 2: Establish Communication
Establishing reliable bidirectional communication is the foundational step in validating the sensor emulation framework, ensuring that the master device and the emulated sensor can…
STM32F407 Discovery Audio: I2S DAC
Now that the basic DMA transmission pipeline is established, the final part of this guide focuses on interfacing the STM32F407 with the onboard CS43L22…
STM32F407 Discovery Audio: Transmitting I2S Data using DMA
Building upon the fundamentals of polling mode, this next section transitions to using Direct Memory Access (DMA) to handle the data stream. By offloading…
STM32F407 Discovery Audio: Configuring and Transmitting I2S Data via Polling
The I2S (Inter-IC Sound) peripheral on the STM32F407 Discovery board provides a dedicated, high-performance synchronous communication interface designed specifically for transmitting digital audio data…
Interfacing BMP180 with STM32 Part 2 : Firmware Development
In Part 2, we dive into the core firmware development by establishing $I^2C$ communication to read the factory-calibrated coefficients and raw data from the BMP180 sensor.…
Interfacing BMP180 with STM32 Part 1 : Introduction and Setup
Mastering the BMP180 begins with establishing a robust communication bridge between the STM32 and your development environment. By prioritizing the configuration of UART and…