PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

The Raspberry Pi 5 is a credit card-sized computer that packs a lot of I/O features into a compact design, including four USB ports, two micro HDMI ports, and a single Gigabit Ethernet port. But if ...

TonyPi AI humanoid robot brings Raspberry Pi 5 vision, voice control, and multimodal model integration to an 18-DOF education ...

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The live and happening Amazon Great Republic Day Sale 2026 is showing offers and unbeatable prices with some of the best PC ...