HeyJaredOpen Electronics
Open Electronics is a niche technology news and knowledge platform focused on the electronics industry, with a strong emphasis on open‑source hardware, embedded systems, and practical engineering applications.
- Indexed articles, last 90 days
- 46
- Latest publication
- Sep 20, 2026
- Audience
- Top 5M sites
- Earliest in this view
- Sep 3, 2026
Latest articles
Offline Wikipedia on ESP32: a whole encyclopedia on a cheap display (opens the original)
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Putting an entire encyclopedia on a cheap display moves knowledge from the center of the network to its edge. Alun Morris’s project does exactly that: it turns the ESP32-2432S028 module, the 320×240 pixel Cheap Yellow Display, into an offline Wikipedia reader. Articles, images, and the search index live on a microSD card, and the device reads them without any internet connection. The result is a standalone device that responds to touch and shows encyclopedia entries. The base is the Kiwix ZIM fi
P.A.R.: a robot that draws pixel art by flipping disks (opens the original)
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P.A.R. is a robot that draws black-and-white pixel art on a 37×18 grid of square disks called squisks. Instead of using a solenoid for each disk like traditional flip-disc displays, it uses a single mobile robot with a tool head to physically flip the disks. The result is a slower but much more economical process, suited to works of art. The project is by Zimm, who built the robot with over a thousand 3D-printed parts and dozens of wires. The heart of the system is an Arduino Nano ESP32, which c
Radxa Linkr: A Pocket-Sized IP KVM for Browser-Based Remote Control (opens the original)
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Radxa Linkr is a compact IP KVM that turns a computer into a machine you can control remotely, from anywhere. The device, about the size of a USB stick, connects to the target PC via HDMI for video and USB for keyboard and mouse. From then on, access happens through a web browser, with no need to install dedicated apps. You can manage the system even when it is off or during boot, for example to change BIOS settings. Communication with the user happens over USB-C, Ethernet, or WiFi 6, in both cl
Lumina Desk: The Restaurant Table That Takes Orders by Voice (opens the original)
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Lumina Desk is a restaurant table that takes voice orders, without apps, QR menus, or waiters. A Raspberry Pi with microphone, speaker, and ePaper screen manages the entire cycle: the guest speaks, the system transcribes, interprets, shows the order on the display, communicates it to the kitchen, and collects payment via UPI QR. The project is by Shubhjaiswal408, and Shubhjaiswal408’s repository contains all the code to rebuild it. The heart of the system is wake-
Mactini: the minimalist laptop built on an RP2350 (opens the original)
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The Mactini turns a satirical BBC meme into a real, working laptop. Tucker Osman built an ultra-small device with a single button that handles every function. The project shows how you can build a minimalist computer with modern components and salvaged materials. The technical documentation is complete, and the result is surprising in both size and engineering. At the heart of the system is a small Waveshare board based on the RP2350. This board handles the display, audio, and input. The display
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