For an in-house project, we needed a small display that we could read from a few meters away, even in the dark, but that would remain unobtrusive when not in use. We were therefore very tempted by these displays that remain invisible when turned off, which is why we decided to use a 15x7 CharliePlex LED Matrix Display FeatherWing from Adafruit, driven by a Yocto-I2C-C, all enclosed in a 3D-printed plastic case.
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Twelve years ago, we built a DIY project that displayed upcoming events from a Google Calendar on a Yocto-MaxiDisplay that was built into a kitchen cabinet. This week, we're going to update this setup so that it uses our new Yocto-Display-ePaper-C module and shows the events on an ePaper display. We'll also take this opportunity to simplify the code and get rid of the OAuth2 authentication system.
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A while back, the Commission de l'inspection paritaire des entreprises (Joint Labor Inspection Commission) for the Canton of Geneva issued us a formal notice requiring us to implement a system for tracking work hours for all staff. Until now, Yoctopuce had operated on a trust-based system, and that had never caused the slightest problem. But hey, the law is the law, so we had no choice but to comply :( So, since we had to track work hours anyway, we figured we might as well do it the Yoctopuce way :)
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A customer recently asked us if it was possible to create a large horizontal scrolling display using Yoctopuce modules. The Yocto-Color-V2-C can drive a chain of 512 LEDs, but to build a large horizontal scrolling display, 512 LEDs are only enough to create a single row of pixels. So, can we combine multiple modules and control them in sync?
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This week, we'll look at how to use a Yocto-RangeFinder to adjust the suspensions on a mountain bike.
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