During Purdue's graduation season, computer science senior Eric Park built a detachable LED‑lit cap driven by Rust code on a Digispark ATtiny85, detailing the hardware choices, power constraints, and why he preferred Rust over Arduino for the project.
By following Ben Eater’s step‑by‑step tutorial, a non‑computer‑science student assembled a fully functional 8‑bit CPU on a breadboard using a 555‑timer clock and TTL chips such as 74LS173 and 74LS245, spending two months on half‑hour daily sessions to achieve a working processor that deepened their grasp of computer architecture and basic electronics.
The article describes how the author followed Ben Eater’s step‑by‑step tutorial to hand‑assemble a functional 8‑bit CPU on a breadboard, detailing required components, sourcing parts in China, wiring procedures, and practical tips for beginners interested in computer architecture and electronics DIY.
A B‑station creator nicknamed “焊武帝” spent two and a half years hand‑crafting a fully functional CPU called “初芯”, detailing its low‑cost components, technical specifications, unique dual‑channel memory design, development hurdles, and its role as a proof‑of‑concept for future commercial processors.
The article chronicles how a Chinese maker built a self‑balancing electric bike, suffered a severe accident that cost him a leg, and then leveraged his engineering skills in 3D modeling, mechanics, CNC machining and programming to design, improve and personalize a prosthetic leg, sharing his experiences and insights to inspire others.
An avid creator spent six months hand‑soldering thousands of transistors, diodes, and resistors to assemble a working 6‑bit CPU, detailing the design of its shift register, program counter, ROM/RAM modules, instruction decoder, ALU, and the challenges of debugging its binary code.
This tutorial walks you through creating a match‑box‑sized NFC‑enabled smart card that consolidates employee badges, access cards and cafeteria cards, detailing hardware selection, PCB design, firmware, e‑ink screen handling, and open‑source resources for a compact, multifunctional device.
This article describes a tiny Linux‑based business card that boots in seconds, includes classic games and a MicroPython interpreter, runs on an 8 MB Allwinner F1C100s chip, and can be built for under three dollars using inexpensive components and DIY PCB fabrication.
This article explores the history and techniques of stop‑motion animation, showcases renowned studios such as Leica, Aardman, and Shanghai Animation Film Studio, and provides a step‑by‑step DIY guide with materials, shooting tips, and post‑production advice for beginners.
This guide walks you through seven different approaches to building a home NAS server—from a single‑system DIY setup with a cheap USB flash drive to dual‑boot Windows/DSM configurations, FreeNAS with virtual machines, ESXi/Hyper‑V options, and even a high‑end MacMini media‑center solution—covering hardware choices, software installation steps, and remote management tools.
A college student recounts how a simple Ethernet cable hack caused a network-wide broadcast storm in a dormitory, exploring the underlying VLAN and STP concepts while detailing improvised hardware tricks and the resulting chaos.
