Mmastodon ScienceScience first seen 17 h ago, last 15 h ago, peak #3
Five-Segment Display Built with Platinum-Titanium Cathodes
Original: Making a Five-Segment Display with Platinum-Titanium Cathodes https:// fed.brid.gy/r/https://hackaday .com/2026/10/21/ma
A maker project featured on Hackaday describes building a five-segment display using cathodes made of a platinum-titanium alloy. The choice of these precious, corrosion-resistant metals for the cathodes is the distinctive technical detail drawing attention from electronics enthusiasts, who are sharing and discussing the unusual construction approach.
Why now: Electronics hobbyists are drawn to the unusual use of platinum-titanium cathodes in a homemade numeric display.
Evidence
- Making a Five-Segment Display with Platinum-Titanium Cathodes https:// fed.brid.gy/r/https://hackaday .com/2026/10/21/making-a-five-segment-display-with-platinum-titanium-cathodes/ · hackaday.com@web.brid.gy · 2
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