The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

AI-driven smart packaging uses color-changing inks to signal freshness, shelf life, and transport conditions at low cost.

When [upir] saw that you could buy tire valve stem caps that read pressure electronically, he decided to roll his own Tire ...

The device uses a PCB that integrates an ESP32-C3-mini with the CO₂ Sensor (SCD40). The PCB also has connectors for the ...