When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...
A delightfully over-engineered solution to an unusual modern problem! Use Bluetooth peripherals with Bluetooth-disabled computers. This project creates a Bluetooth USB HID relay using a Raspberry Pi ...
Abstract: Proximity sensing is of great importance for robot control during human–robot collaboration (HRC). Commonly used machine vision sensors or photodetectors are subjected to the light block ...
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 ...
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