All that remains is the grid. When held at 0 V, it turns off all the segments, regardless of the potentials driving them.

Explore two new Elektor Academy Pro STM32 programming courses, featuring MicroPython and Arduino, as part of the Embedded ...

Witchcraft and Alchemy came up with one answer and it is this stunning purple 5-segment display. People like me say “vacuum tube” when talking about Nixie tubes, but that term is a bit misleading. The ...

Before the advent of effective semiconductor LEDs many display types existed to display things like numbers and other ...

Makers have built their own versions before, but almost all of them need a merchant account with a payment gateway, which ...

At the end of the last post, I wrote, "From here on, you will hit a wall you didn't expect." However, before I get into the ...

Telephony is a bit of a mixed bag. On the one hand, being able to talk to people in far off places is kind of neat, at least in theory. On the other hand, you’re usually reliant on a centralized ...

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Based on the concept of "bringing VOC measurement into daily life," I made it as compact as possible. The body size is 43*26*88 mm, and the internal wiring is packed tight. Please overlook the few ...

PocketGPT bleibt stumm? So grenzt du USB-Probleme, falsche Speicherprofile und fehlende Modelldateien auf dem ESP32-S3 ein.