Depending on various applications, the process control industry uses liquid-level sensors of
different principles. Due to the dynamic nature of liquid such as water, wastewater …

The ever-increasing number of devices on wearable and portable systems comes with
challenges such as integration complexity, higher power requirements, and less user …

The rising use of capacitive sensors imposes the need of numerous measuring circuits with
different characteristics. Stray fields and conductance losses are thereby key influencing …

With rising hazardous organic vapours in the environment, the detection of volatile organic
vapour compounds (VOCs) is becoming important. To this end, this paper presents a …

A chipless radio frequency identification (RFID) sensor commonly consists of a tag ID and
smart sensing materials. The electrical properties of these materials vary with the sensing …

A complete measurement method dedicated to capacitive sensors has been developed. It
includes the development of hardware (an analogue interface circuit for microcontrollers …

This paper introduces and analyzes a novel direct interface circuit (DIC) that directly
connects differential resistive and capacitive sensors to digital processors (DPs), performing …

A complete smart capacitive sensor solution based on a microcontroller was developed.
This approach includes the development of both the hardware and software. The hardware …

A novel auto-balancing capacitance-to-pulse-width converter (CPC) that uses sinusoidal
excitation, and operates in a closed-loop configuration, is presented in this paper. Unlike …

This paper reports on the design, implementation, and characterization of a current-mode
analog-front-end circuit for capacitance-to-voltage conversion that can be used in …