Abstract: This paper presents a capacitive displacement sensor interface circuit based on T-network notch feedback and phase sensitive detection, and verifies the feasibility and advantages of the ...

the Arduino library for the Air Purification Combo ONE (APC1) sensor with UART or I2C interface from ScioSense. The APC1 is a compact, box-shaped, all-in-one environmental sensor solution produced by ...

An Arduino library for the Hi-Link HLK-LD2450 24Ghz FMCW radar sensor. This sensor is a Frequency Modulated Continuous Wave radar, which makes it good for presence detection and has some interesting ...

Abstract: In order to realize a multi-channel exhalation detection device with large dynamic range and high precision, a well designed signal processing and sampling circuit is essential for gas ...