Learn STM32 28BYJ-48 stepper motor control with a ULN2003 driver board — drive the half-step sequence both directions and trace each coil pattern over UART.
STM32 28BYJ-48 Stepper Motor Control with ULN2003 Driver Read More »
Rework the STM32 SX1262 encrypted LoRa QA harness into a pass/fail test suite with per-test verdicts, frame correlation, and a final report.
STM32 SX1262 Encrypted LoRa (Part 6) QA Pass/Fail Suite Read More »
Learn how to interface external SRAM with STM32H753 using FMC. This tutorial covers the setup, code, and hardware for STM32H753 external SRAM integration.
STM32H753 External SRAM Setup and Code Walkthrough Read More »
Complete the STM32 SX1262 encrypted LoRa QA harness with three hostile-frame builders: truncated, length-mismatch, and corrupted-CMAC test frames.
STM32 SX1262 Encrypted LoRa (Part 5) Hostile-Frame QA Read More »
Complete the STM32 SX1262 encrypted LoRa security design with a NIST SP 800-108 key derivation function built on AES-CMAC.
STM32 SX1262 Encrypted LoRa (Part 4) Derives Keys with CMAC Read More »
Verify an STM32 SX1262 encrypted LoRa link with a QA harness that injects hostile, malformed, and replayed frames against the real RX path.
STM32 SX1262 Encrypted LoRa (Part 3) Verifies with QA Tests Read More »
Add AES-CTR encryption, AES-CMAC authentication, and FRAM replay protection to an STM32 SX1262 encrypted LoRa link using the Wire v3 frame format.
STM32 SX1262 Encrypted LoRa (Part 2) Authenticates with CMAC Read More »
Build a secure STM32 SX1262 Encrypted LoRa link using two Nucleo-F439ZI boards using the SX1262 modem and AES. Covers architecture, hardware, and framing.
STM32 SX1262 Encrypted LoRa (Part 1) Secures with AES Read More »
Learn how to configure STM32F439 External SRAM FMC interface. Covers hardware setup, memory map integration, linker sections, and validation testing.
STM32F439 External SRAM FMC Interface and Validation Read More »
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.
STM32 SG90 Micro Servo PWM Control Read More »
