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# iot

Security challenges and solutions for Internet of Things and embedded devices.

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What happens when a 10-year-old builds their first IoT sensor — a teacher's perspective from Buenos Aires

What happens when a 10-year-old builds their first IoT sensor — a teacher's perspective from Buenos Aires

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2 min read
How to Build a DIY USB Keylogger with ESP32-S3 (DuckLogger Tutorial)

How to Build a DIY USB Keylogger with ESP32-S3 (DuckLogger Tutorial)

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3 min read
SPI

SPI

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5 min read
UART-Universal Asynchronous Receiver-Transmitter

UART-Universal Asynchronous Receiver-Transmitter

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16 min read
URTB: An Encrypted PTY Tunnel Over ESP-NOW and LoRa

URTB: An Encrypted PTY Tunnel Over ESP-NOW and LoRa

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5 min read
走廊燈光設計:觀察 翻譯 驗證

走廊燈光設計:觀察 翻譯 驗證

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1 min read
Why So Many IoT Projects Stall After the Prototype Stage

Why So Many IoT Projects Stall After the Prototype Stage

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4 min read
GNSS Cold Start vs Hot Start: Why TTFF Is the Silent Battery Killer in IoT Trackers

GNSS Cold Start vs Hot Start: Why TTFF Is the Silent Battery Killer in IoT Trackers

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4 min read
Why Your LED Music Visualizer Has a Delay Problem

Why Your LED Music Visualizer Has a Delay Problem

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2 min read
Why Your Servo Motor Stutters and How to Fix It

Why Your Servo Motor Stutters and How to Fix It

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2 min read
Why Your LED Color Transitions Look Fake

Why Your LED Color Transitions Look Fake

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2 min read
The Maker Who Read All Three Articles

The Maker Who Read All Three Articles

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3 min read
Banana Pi M7 vs Pi 5: The $80 Board That Outperforms for Wi-Fi Auditing

Banana Pi M7 vs Pi 5: The $80 Board That Outperforms for Wi-Fi Auditing

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6 min read
How I built a solar-powered RS-485 soil sensor node for orchard management (open hardware)

How I built a solar-powered RS-485 soil sensor node for orchard management (open hardware)

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3 min read
How I Built an Offline Voice Assistant for Smart Home on Raspberry Pi — and Why I Ditched the Cloud

How I Built an Offline Voice Assistant for Smart Home on Raspberry Pi — and Why I Ditched the Cloud

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3 min read
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