Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...
Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...
Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...
Di et al. report a dual-band infrared photodetector employing size-engineered PbS quantum dots as spectrally selective absorbers in a unipolar barrier configuration, which can switch between near- and ...
Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, ...
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