This expandable LED display for a microcontroller in Figure 1 has a simple interface with only 6 data/control wires and can be easily accommodated to a DIY design. The display has static indication.
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My favorite ESP32 project doesn't automate anything, and I haven't had to touch it in months
It's a simple desk clock and now playing display, but I love it.
The ESP32 has emerged as a favorite tinkering device in the maker and hobbyist world thanks to its low cost, built-in Wi-Fi and Bluetooth, and strong community support. One particular strength it has ...
Hewlett-Packard used to make some pretty cool LED displays, many of which appeared in their iconic pocket calculators back in the 1970s and 1980s. [Upir] tracked down some of these classic bubble ...
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