Air Lab is a $250 portable air monitor with CO2, NOx, VOCs, e-paper, open data via MQTT, five-day battery, and no cloud ...
This tiny device was made to inspect ear canals, but it's surprisingly useful as a pocket-sized inspection tool for just about anything.
SAVE $250: The MacBook Air M4 is on sale for $749 in the Amazon Black Friday sale. That's $250 off and the lowest-ever price ...
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