TMC2209 vs DRV8825 Stepper Driver Comparison: Which One Should You Buy in 2026?

Key Takeaway: The TMC2209 and DRV8825 are both popular stepper motor drivers for Arduino and CNC projects, but they differ dramatically in noise, microstepping resolution, current handling, and configuration complexity.…

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ESP32 Bit Pirate infographic showing supported protocols, board modes, and wired level translation
ESP32 Bit Pirate: 20+ protocol modes, wired level translation, and board connections

ESP32 Bit Pirate 2026: The Open-Source Multi-Protocol Debug Tool Replacing Bus Pirate

ESP32 Bit Pirate is a viral open-source firmware that turns any ESP32-S3 dev board into a 20+ mode protocol analyzer, logic capture tool, and bus scanner. Complete review and getting started guide for embedded engineers.

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SPI communication wiring diagram showing Master and Slave device connections for MOSI, MISO, SCK, and SS pins
SPI communication architecture: master and slave wiring for STM32 and Arduino

SPI Communication Guide for STM32 and Arduino: Wiring, Modes, Speed and Debugging

A complete SPI communication guide for STM32 and Arduino covering wiring, SPI modes 0-3, full-duplex transfers, speed comparison with I2C and UART, DMA acceleration, and practical debugging techniques for industrial and hobbyist embedded projects.

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NXP MCX A5 Review: The First Industrial MCU with Built-In 10BASE-T1S Ethernet and Post-Quantum Security

Key Takeaway: NXP's MCX A5 is the first industrial MCU to integrate a 10BASE-T1S Ethernet digital PHY with topology discovery and post-quantum cryptography, enabling simplified, secure industrial edge networking. Table…

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ESP32-S31 in 2026: Espressif’s Most Powerful AIoT Chip with Wi-Fi 6, Thread and Gigabit Ethernet

Key Takeaway: The ESP32-S31 is Espressif's most powerful microcontroller yet — a dual-core 320 MHz RISC-V chip with Wi-Fi 6, Bluetooth 5.4, Zigbee/Thread, Gigabit Ethernet and Matter support, now in…

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