Microcontroller Based Water Leakage Detectors

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  • Integrating a Bed Sensor in a Smart Home Monitoring System
    Co-locating computational power with the help of micro controllers and micro processors and RF communication within the sensors is a distinct feature ofthe wireless sensing that allows sensors to measure for signs ofactivity. .... A non-invasive activity monitoring system has already been developed based on three sensors which detect the .... To increase the versatility of the system, several more sensors of different types can be incorporated such as gas leakage detector , bed loading sensor, water flow .
  • Preparing the hardware of the CMS Electromagnetic Calorimeter control and safety systems for LHC Run 2
    …of ES are maintained at a constant temperature, thermally isolating the internal ES detector volume from neighbouring .... While the ES safety system is based solely on commercial Siemens PLC components, the EB/EE safety system .... The first of these units is used to monitor the temperature and water leakage sensors and to package and send this data to the PLC via a custom protocol on an RS485 bus. .... These units are called readout units and use a PIC microcontroller to digitise the probe signals and to handle the bus communication.
  • Technical program / abstract
    …photovoltaic array; a PWM controlled DC-DC, DC-AC converters, sensor circuits and zero crossing detector (ZCD). .... algorithm in a 8-bit microcontroller using the tools and techniques to generate optimized real time code in C for ATMega8 … efficiency of a solar system and connection of the extracted energy to grid which is based on experimental results rather .... 3:20 Water Pipe Leak Detection Using Electromagnetic Wave Sensor for the Water Industry Jung Hean Goh (Liverpool John Moores University, United Kingdom); Andrew Shaw (Liverpool John Moores University, United Kingdom); Jeff Cullen (Liverpool John Moores University, United Kingdom); Ahmed I Al…
  • Online Optimization of Swimming and Crawling in an Amphibious Snake Robot
    The motor controller is based on a PIC16F876A microcon- troller , which runs a PID motor controller developed at the Autonomous Systems Laboratory of the Ecole Polytechnique F´ed´erale de Lausanne (EPFL), and is connected to the I2 C bus of the robot. .... The controller receives feedback from the motor encoder through a quadrature detector , and drives the H-bridges .... A water detector circuit, used internally to detect and localize any leakage , is placed at the bottom of the element, and is connected to an LED fixed through the top of the element, thus allowing the user to immediately detect the leakage.
  • Commissioning of the 28-GHz Electron Cyclotron Resonance Heating System on ADITYA Tokamak
    The system comprises of a microcontroller - based multifunction input0output cards connected in a multi- drop configuration on an RS-485 series link, which is connected to a personal computer. .... fiber-optic cables ~isolation strength Ϫ50 kV0 0.3 m at 12-nA leakage current! to process .... Some of the critical interlocks incorporated are arc de- tector , anomalous modulating anode current, fault dI0dt, beam overcurrent, body overcurrent, vacuum-ion over- current, etc. .... The gyrotron has been initially tested on a water dummy load procured along with the gyrotron.
  • Author index with titles
    …1029 Hussey D S: see Coakley K J 3391 Hyun S-Y, Jo Y-S, Oh H-C, Kim S-Y and Kim Y-S: The laboratory scaled-down model of a ground-penetrating radar for leak detection of water pipes 2791 . .... E 520 J¨ager G: see Schmidt I 482 Jain M K: see Biju K P 2991 Jalmuzna W: see Fafara P 2365 Jalukse L and Leito I: Model- based measurement uncertainty estimation in … of some photon counting detectors and electronic circuitry 155 … Nunes L, Martins A, Batista I and Cardoso C: Intangible but not intractable: the prediction of fish ‘quality’ variables using dielectric spectroscopy 1029 Khairurrijal, Abdullah M, Suhendi A, Munir M M and Surachman A: A simple microcontroller -based current electrometer made…
  • Experimental investigation of efficient locomotion of underwater snake robots for lateral undulation and eel-like motion patterns
    …choosing the optimal gait parameters and preferably the controller gains should be based on model- based analysis. .... Each joint module is actuated by a Hitec servo motor (HSR 5990TG) and also contains a force/torque sensor on the joint shaft, two temperature sensors, a 3-axis acceler- ometer, and a water leakage detector . .... Furthermore, each joint is controlled by means of a microcontroller card (TITechSH2 Tiny Controller from HiBot), and all micro- controllers in the robot communicate over a CAN bus.
  • Alarms of all kind, page 3
    It is nothing but a water sensor, which you can be configured as a rain alarm, water tank overflow alarm, aquarium water leak indicator, etc. .... Arduino Based Security / Automation Sensors -  Arduino has taken off as an incredibly popular building block .... Arduino is a family of microcontrollers (tiny computers) and a software creation environment (Arduino IDE) that makes it easy for you to create programs (called… [Circuit Posted by T.K. Hareendran]. .... this objective through the use of a narrowband optical filter, a photomultiplier tube detector , and a flexible…
  • Salamandra Robotica II: An Amphibious Robot to Study Salamander-Like Swimming and Walking Gaits
    A small water detector , which proved to be very useful in rapidly detecting small leakages that can sometimes happen (e.g., if the O-rings are not perfectly greased), is placed on the lower part of the microcontroller board. .... It contains a controller board, based on a LPC2129 ARM7TDMI microcontroller running at 60 MHz, which is…
  • The Mars Gravity Biosatellite as an innovative partial gravity research platform
    Importantly, temperature/humidity sensors and ammonia detectors will be placed at the air outflow port of each specimen .... An increase in humidity could indicate a water leak or an unusually high rodent metabolic rate. .... Data from the microcontroller will be uploaded to the iNode CPUs on demand. .... payload ECLSS assemblies must create an atmospheric environment similar to that found in Earth- based animal facilities.