STM32 Core - MicroControllersTech

May 13 2026

STM32 SX1262 Encrypted LoRa (Part 2) Authenticates with CMAC

Encryption, Interrupt, LoRa, Point-to-Point Communication, SPI, USART / By johng / May 13, 2026 / 35 minutes of reading

Add AES-CTR encryption, AES-CMAC authentication, and FRAM replay protection to an STM32 SX1262 encrypted LoRa link using the Wire v3 frame format.

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May 7 2026

STM32 SX1262 Encrypted LoRa (Part 1) Secures with AES

Encryption, Interrupt, LoRa, Point-to-Point Communication, SPI, USART / By johng / May 7, 2026 / 19 minutes of reading

Build a secure STM32 SX1262 Encrypted LoRa link using two Nucleo-F439ZI boards using the SX1262 modem and AES. Covers architecture, hardware, and framing.

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Apr 15 2026

STM32F439 External SRAM FMC Interface and Validation

FMC, SRAM / By johng / April 15, 2026 / 47 minutes of reading

Learn how to configure STM32F439 External SRAM FMC interface. Covers hardware setup, memory map integration, linker sections, and validation testing.

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Nov 13 2025

STM32 SG90 Micro Servo PWM Control

PWM, STM32 Core, Timers / By johng / November 13, 2025 / 15 minutes of reading

Learn how to control an STM32 SG90 micro servo using PWM with TIM2. Covers pulse width calculation, CubeMX setup, and full code for the Nucleo-F446RE.

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Nov 11 2025

STM32CubeIDE Build Scripts Automate Your Workflow

STM32 Core / By johng / November 11, 2025 / 6 minutes of reading

Learn how to use STM32CubeIDE Build Scripts to automate your workflow. Covers PRE and POST build steps, Bash scripting, sed, awk, and full examples.

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Nov 9 2025

STM32 RTC Time Zone Conversion with Linux EPOCH Time

DNS, GPIO, Interrupt, TCP/IP, USART / By johng / November 9, 2025 / 67 minutes of reading

Learn how to perform STM32 RTC Time Zone conversion with Linux EPOCH time. Covers TZ parsing, daylight savings, RTOS-safe design, and full code examples.

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Nov 6 2025

STM32 ATF16V8B PLD 7 Segment Display Hex Output

Displays, STM32 Core / By johng / November 6, 2025 / 19 minutes of reading

Learn how to use an STM32 ATF16V8B PLD to drive a 7 segment display with full hex output 0-F. Covers PLD logic design, wiring, and full code examples.

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Apr 9 2025

STM32CubeIDE Toolchain Custom Build for Debugging

STM32 Core / By johng / April 9, 2025 / 28 minutes of reading

Learn how to build a custom STM32CubeIDE Toolchain for improved debugging. Covers LibC symbol visibility, optimization settings, and full build steps.

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