Abstract: This work presents a cost-effective approach to implementing programmable logic controllers (PLCs) for educational use, using commercial microcontrollers (Arduino UNO, ESP8266 NodeMCU) and a ...

There’s something uniquely satisfying about a pen plotter. Though less speedy or precise than a modern printer, watching a pen glide across the page, mimicking human drawing, is mesmerizing. This ...

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Fill in an API key, and you have persona, memory, and proactive messages out of the box. 🔧 Some tinkering — I can install an app and edit config files Start with RikkaHub (Android) or Kelivo plus a ...