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Metal Detector Gets Help From Smartphone
[mircemk] is quite a wizard when it comes to using coils of wires in projects, especially when their application is within easy-to-build metal detectors. There are all kinds of ways to send signals...
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Collaborative Effort Gets Laser Galvos Talking G-Code
Everyone should know by now that we love to follow up on projects when they make progress. It’s great to be able to celebrate accomplishments and see how a project has changed over time. But it’s...
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New Possibilities from Fading Lighting Technology
Like the incandescent bulb before it, the compact fluorescent (CFL) bulb is rapidly fading into obscurity as there are fewer and fewer reasons to use them over their LED successors. But there are...
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Low-Cost Display Saved By RP2040
Anyone looking for components for electronics projects, especially robotics, microcontrollers, and IoT devices, has likely heard of Waveshare. They are additionally well-known suppliers of low-cost...
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New Drivers for Ancient Webcam
For those of us who are a little older, the 90s seem like they were just a few years ago. The younger folks might think that the 90s were ancient history though, and they might be right as we’ve been...
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One Less Binary Blob
Open-source software has gone a long way into making modern technology the way it is today. The Linux kernel alone is almost single-handedly holding up the entire Internet, and various other...
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Oddball LCDs Reverse Engineered Thanks to Good Detective Work
Is there anything more discouraging to the reverse engineer than to see a black blob of epoxy applied directly to a PCB? We think not, because that formless shape provides no clue as to what chip lies...
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