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• Herunterladen
  Powering a Dust Mote from a Piezoelectric Transducer &mdash LT Journal
  PDF, 250 Kb, Datei veröffentlicht: Jul 7, 2015
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  design ideas Powering a Dust Mote from a Piezoelectric Transducer
  Jim Drew Increasing the level of remote monitoring and control of industrial environments—such
  as factories, plants and refineries—enables process engineers and managers to see
  the overall health of a system or factory, ultimately improving decision making. The
  easiest way to increase monitoring and control coverage is to use Dust NetworksВ®
  SmartMeshВ® wireless sensor networks, which enable easy installation in remote
  environments. SmartMesh sensors and controllers are often deployed in locations
  where electrical power connections are not readily available. For this reason, using
  energy harvesting technology as the source for powering these sensors is attractive.
  The LTC3330 is a nanopower buck-boost
  DC/DC with energy harvesting battery life
  extender technology that can be attached
  to a piezoelectric transducer to provide
  energy to power a Dust Networks mote.
  The LTC3330 integrates a high voltage step-down energy harvesting power supply
  plus a buck-boost DC/DC converter powered by a primary cell battery to create a
  single output always-on power supply that
  sources power for the remote Dust mote. PIEZO
  MIDÉ V25W AC2
  22ВµF
  25V
  4.7ВµF, 6V 1ВµF, 6V AC1 VIN 22ВµH
  SW CAP …

• Herunterladen
  Wireless Precision Temperature Sensor Powers Itself, Forms Own Network, Enabling Easy Deployment in Industrial Environments &mdash LT Journal
  PDF, 866 Kb, Datei veröffentlicht: Jul 1, 2014
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  Wireless Precision Temperature Sensor Powers Itself,
  Forms Own Network, Enabling Easy Deployment
  in Industrial Environments
  Kris Lokere While the Internet connects people via a worldwide computer network, the Internet of
  Things (IoT) refers to a growing trend to create relatively simple devices that interconnect
  and share data independent of computer or human intervention. The IoT has the potential
  to increase efficiency, improve safety and enable entirely new business models in just about
  any facet of life or industry. For example, to reliably and efficiently operate an industrial plant,
  it helps to have as many monitoring (or control) points as possible—more sensors means
  better monitoring. The device-to-device networking of the IoT simplifies distribution and
  networking, making it easy to expand the number and reach of sensors throughout a plant.
  Exponential increases in the number of
  sensors can be achieved by eliminating
  all cabling requirements through the use
  of robust, wireless, micropower sensors
  that run for years on a small battery.
  Better yet, eliminate the need to replace
  or recharge batteries. Instead, sensors
  harvest energy from their immediate
  environment, taking advantage of locally
  available energy sources, such as light,
  vibration or temperature gradients.
  This article shows how to easily build …

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• Power Management > Energy Harvesting