Jan 7 · 3 min read · Here’s a practical way to design an Arduino Nano “shield” (a carrier board that the Nano plugs into) in KiCad. The key idea is: don’t copy the Nano PCB shape—just place two 15-pin headers at the right spacing, plus any extras (VIN/USB clearance, moun...
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Jan 6 · 4 min read · Organizing microcontroller data is mostly about making it predictable, safe across interrupts, and maintainable as firmware evolves. A good approach is to split data by lifetime + purpose, then choose the right structure/format for each layer. 1) Fir...
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Dec 11, 2025 · 8 min read · Every microcontroller hums. Beneath compiled code and polished WiFi libraries, beneath the sanitized abstractions we call "digital," there's jitter. Drift. The low growl of entropy that deterministic systems pretend doesn't exist. Most engineers igno...
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Sep 25, 2025 · 4 min read · Installing spidev on a Raspberry Pi 5 is straightforward, but it requires a few steps to enable the SPI interface and install the Python package. Here's a complete guide: What is spidev? spidev is a Python module that provides a simple interface for...
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Sep 24, 2025 · 4 min read · The U.S. antibody drug conjugates (ADC) market is witnessing remarkable growth, driven by the rising prevalence of cancer, technological advancements in biotechnology, and increasing investments in targeted therapies. ADCs are innovative therapeutics...
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Aug 19, 2025 · 3 min read · Here’s a clear introduction to the STM32 ADC principle, covering what it is, how it works inside the MCU, and what you need to know as a developer. 1. What is an ADC? ADC = Analog-to-Digital Converter Converts a continuous analog signal (e.g., vol...
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Aug 5, 2025 · 3 min read · This project reads analog signals using an ADC, performs FFT on the digital data in real time using FPGA, and sends the frequency-domain results to a PC via UART (serial port). Project Overview Flow Diagram scss Analog Signal ↓ [ ADC (e.g., SP...
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Jun 11, 2025 · 2 min read · In digital signal processing (DSP), noise refers to any unwanted or random signal that interferes with the original signal. It can originate from various sources—both external (physical environment) and internal (processing system). Common Sources o...
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Mar 14, 2025 · 20 min read · In today’s world, computers are ubiquitous and generally serve two primary purposes. The first is general-purpose computing, where they handle a wide range of tasks, including running diverse applications and programs. Examples include laptops, deskt...
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