Low-cost soil moisture profile probe using thin-film capacitors and a capacitive touch sensor

Y Kojima, R Shigeta, N Miyamoto, Y Shirahama… - Sensors, 2016 - mdpi.com
Soil moisture is an important property for agriculture, but currently commercialized soil
moisture sensors are too expensive for many farmers. The objective of this study is to …

Soil-monitoring sensor powered by temperature difference between air and shallow underground soil

N Ikeda, R Shigeta, J Shiomi, Y Kawahara - Proceedings of the ACM on …, 2020 - dl.acm.org
Energy harvesting (EH) technologies are useful for the semi-permanent operation of
wireless sensor networks, especially, for agricultural monitoring as the networks need to be …

Fully printed disposable IoT soil moisture sensors for precision agriculture

T Syrový, R Vik, S Pretl, L Syrová, J Čengery… - Chemosensors, 2020 - mdpi.com
Digitization of industrial processes using new technologies (IoT—Internet of Things, IoE—
Internet of Everything), including the agriculture industry, are globally gaining growing …

[PDF][PDF] Internet of things based wireless plant sensor for smart farming

MM Subashini, S Das, S Heble, U Raj… - Indonesian Journal of …, 2018 - researchgate.net
About 10% of the world's workforce is directly dependent on agriculture for income and
about 99% of food consumed by humans comes from farming. Agriculture is highly climate …

Controlled biodegradation of an additively fabricated capacitive soil moisture sensor

Y Sui, M Atreya, S Dahal… - ACS Sustainable …, 2021 - ACS Publications
Successful precision agriculture decision making requires characterizing soil heterogeneity
at high spatiotemporal resolution in real-time in order to optimize input (such as water and …

Smart diaper with printed capacitive sensors and integrated front-end to monitor voided fluid volume

M Tanweer, DC Monga, L Gillan… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
As the demographic structure of the global population continues to shift toward an aging
population, caregivers encounter formidable obstacles in detecting wetness events and …

Capacitive-touch-based soil monitoring device with exchangeable sensor probe

R Shigeta, Y Kawahara, GD Goud… - 2018 IEEE …, 2018 - ieeexplore.ieee.org
Precision agriculture is a potential candidate for enhancing productivity and conserving
water resources. In particular, irrigation activities can be optimized by collecting soil …

Ground temperature difference driven sensor for environmental monitoring

N Ikeda, R Shigeta, J Shiomi, Y Kawahara - Proceedings of the 2018 …, 2018 - dl.acm.org
In this paper, we present a novel approach to the realization of a battery-free soil profile
probe that uses the temperature difference between the near-surface air and the …

Coplanar capacitor probes design for a moisture soil sensor operating at high frequencies

RL da Costa Junior, EO Rodrigues… - 2021 5th International …, 2021 - ieeexplore.ieee.org
In this work, we study the suitability of a coplanar capacitor (CPC) for a low-cost soil
volumetric water content (VWC) sensor in the context of vegetable growing automation. As …

Design and implementation of a soil profile probe powered by air and soil temperature differences

N Ikeda, R Shigeta, J Shiomi… - Journal of Physics …, 2019 - search.proquest.com
In this paper, we present a novel approach to realizing a battery-free soil pro le probe that
uses the temperature difference between the near-surface air and the underground soil as …