A new gas sensor using ruthenium dioxide nanosheets achieves ultra-sensitive ethanol detection down to 5 ppb, enabling real-time breath alcohol monitoring at under 30 milliwatts.
Researchers built a living biosensor made of bacteria that lights up when it detects acetic acid, the main chemical signal that wine is starting to spoil. It works in real time, even in high-alcohol ...
ACEBOTT QD023 is an ESP32-based wearable gesture control glove that tracks finger movements with potentiometers instead of more traditional flex sensors.
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