e-Waste and Waste Oil Combine to Make Silver
https://hackaday.com/2025/09/14/e-waste-and-waste-oil-combine-to-make-silver/

As the saying goes, “if it can’t be grown, it has to be mined”– but what about all the metals that have already been wrested from the bosom of the …read more (https://hackaday.com/2025/09/14/e-waste-and-waste-oil-combine-to-make-silver/)

UTF-8 Is Beautiful
https://hackaday.com/2025/09/14/utf-8-is-beautiful/

It’s likely that many Hackaday readers will be aware of UTF-8, the mechanism for incorporating diverse alphabets and other characters such as 💩 emojis. It takes the long-established 7-bit ASCII …read more (https://hackaday.com/2025/09/14/utf-8-is-beautiful/)

Original Mac Limitations Can’t Stop You from Running AI Models
https://hackaday.com/2025/09/15/original-mac-limitations-cant-stop-you-from-running-ai-models/

Modern retrocomputing tricks often push old hardware and systems further than any of the back-in-the-day developers could have ever dreamed. How about a neural network on an original Mac? [KenDesigns] …read more (https://hackaday.com/2025/09/15/original-mac-limitations-cant-stop-you-from-running-ai-models/)

USB-C PD Decoded: A DIY Meter and Logger for Power Insights
https://hackaday.com/2025/09/15/usb-c-pd-decoded-a-diy-meter-and-logger-for-power-insights/

As USB-C PD becomes more and more common, it’s useful to have a tool that lets you understand exactly what it’s doing—no longer is it limited to just 5 V. …read more (https://hackaday.com/2025/09/15/usb-c-pd-decoded-a-diy-meter-and-logger-for-power-insights/)

Going Native With Android’s Native Development Kit
https://hackaday.com/2025/09/15/going-native-with-androids-native-development-kit/

Originally Android apps were only developed in Java, targeting the Dalvik Java Virtual Machine (JVM) and its associated environment. Compared to platforms like iOS with Objective-C, which is just C …read more (https://hackaday.com/2025/09/15/going-native-with-androids-native-development-kit/)

Flashlight Repair Brings Entire Workshop to Bear
https://hackaday.com/2025/09/15/flashlight-repair-brings-entire-workshop-to-bear/

The modern hacker and maker has an incredible array of tools at their disposal — even a modestly appointed workbench these days would have seemed like science-fiction a couple decades …read more (https://hackaday.com/2025/09/15/flashlight-repair-brings-entire-workshop-to-bear/)

Off To the Races With ESP32 and eInk
https://hackaday.com/2025/09/15/off-to-the-races-with-esp32-and-eink/