Autonomous Soil Water Content Sensors Based on Bipolar Transistors Encapsulated in Porous Ceramic Blocks

A Multiprobe Heat Pulse Sensor for Soil Moisture Measurement Based on PCB Technology

(2018) Maria Bernadete de Morais Franca et al.   IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT

Evaluation of the Thermoelectric Energy Harvesting Potential at Different Latitudes Using Solar Flat Panels Systems with Buried Heat Sink

(2018) Pedro Carvalhaes-Dias et al.   Applied Sciences-Basel

High-precision PTAT current source based on the Meijer cell

(2017) P. Carvalhaes-Dias et al.   INTERNATIONAL JOURNAL OF ELECTRONICS

A Self-Powered and Autonomous Fringing Field Capacitive Sensor Integrated into a Micro Sprinkler Spinner to Measure Soil Water Content

(2017) Eduardo da Costa et al.   SENSORS

Temperature-stable heat pulse driver circuit for low-voltage single supply soil moisture sensors based on junction transistors

(2016) P.C. Dias et al.   ELECTRONICS LETTERS

Autonomous soil moisture sensor based on nanostructured thermosensitive resistors powered by an integrated thermoelectric generator

(2016) Pedro C. Dias et al.   SENSORS AND ACTUATORS A-PHYSICAL

Single-Probe Heat Pulse Method for Soil Water Content Determination: Comparison of Methods

(2016) Min Li et al.   VADOSE ZONE JOURNAL

Autonomous Multisensor System Powered by a Solar Thermoelectric Energy Harvester With Ultralow-Power Management Circuit

(2015) Pedro Carvalhaes Dias et al.   IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT

A high sensitivity single-probe heat pulse soil moisture sensor based on a single npn junction transistor

(2013) Pedro Carvalhaes Dias et al.   COMPUTERS AND ELECTRONICS IN AGRICULTURE

Design and Numerical Analysis of a Button Heat Pulse Probe for Soil Water Content Measurement

(2009) Tamir Kamai et al.   VADOSE ZONE JOURNAL