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Control Loop Challenges of Wireless Systems

Though embedded modules can be used be used with Wi-Fi, the aim of recent protocols is providing wireless networks with more focused support for control loops. For tight control loops, devices supporting the IEEE802.15.4 ZigBee standard can be used in supporting the recent protocols. Below is a Microchip’s MRF24WB Wi-Fi module. For sharing a common medium of communication, sensors and controllers are requir ...

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Energy-harvesting power management ICs for wireless sensor nodes

Cypress Semiconductor has introduced what it believes to be the lowest-available-power PMICs that enable an integrated module size of 1 cm² for solar-powered wireless sensor node (WSN) designs. Intended to manage solar-powered wireless sensors for Internet of Things (IoT) applications, these parts are said to be the lowest-power, single-chip Energy Harvesting PMICs, and can be used with solar cells as small ...

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Wireless Nixie Thermometer

The Target of this Project was to learn how to use different functions of the atmega: • Connecting two Atmegas with a wireless connection • Each Atmega has a Thermometer (DS1621) to read the actual temperature • Use the sleep Mode of an Atmega • Controlling a Nixie bargraph In-13 And this all together is a nice looking self-made Thermometer. :) There are simular Thermometers availible e.g. the thermNeon fro ...

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Wireless Transmitter System

Summary This wireless project is a power transmission system, it works on the principle of magnetic induction. This Wireless Charging system works as the digital switched mode power supply with the transformer, which is separated into two parts: The transformer primary coil is on the transmitter, working as the transmitter coil, and the transformer secondary coil is on the receiver side as the receiver coil ...

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Wireless Pedometer Using Atmega1284

Introduction There’s a simple question asked by runners, walkers, joggers, and anyone who moves. How fast am I going? Runners want to pace themselves, athletes are trying to train for events, and even on a day to day basis you might wonder how far you are travelling. There are various existing methods of measuring pace, including step counters, GPS units, and smartphone applications. Pedometers are a common ...

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Wireless, voice-controllable, household system Using Atmega644

Motivation We design a smart home control system which allow people control their home devices by voice command at home. This is a wireless, voice control system. People could control almost all the facilities at home including lights, fans or even back ground music. Right now, the basic function of lights control, fan control and music control have all been implemented. Except for basic turning on and off ...

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Wireless, web-based, cardiac monitor Using Atmega644

Introduction "A composite personal health monitor solution bridges the gaps between patients and doctors." ---Engineering Goodwill This project creates a portable device implementing wireless technology and taking full advantage of the wide-spreading Internet to provide a convenient solution to monitor human health. The health information acquired on the portable side transmits to the server wirelessly and ...

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