This DIY robot gets "high" in real time
… The creator is candid about the hardware's limits — the MQ-2 is a VOC sensor, meaning incense or a cigarette would trip the same response as cannabis, and it cannot distinguish between smoke sources. …
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This affordable DIY kit lets you build your own drone
… Developed in collaboration with Max Imagination, the product is specifically aimed at hobbyists. It is also potentially useful for educational purposes, giving students insights into both hardware and software while letting them assemble a flight-ready quadcopter. …
Smoke detector with Smart Home connectivity: X-Sense XS01-M (FS61) review
… First, a few more words about the hardware. …