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Tag: iot

June 2, 2019

Container on ARM SBSc

Most single-board computers (SBCs) today are powered by ARM. Containerization on SBCs like Raspberry Pi or Orange Pi brings so much flexibility in a…

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June 2, 2019

Saving electricity by suspending idle servers

Electricity is a (very) expensive resource in Europe. By putting the servers into sleep/suspend mode (while idle), I can save 80% of the power…

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June 2, 2019

Microsoft Azure IoT edge

Just launched before IoT expo Amsterdam 2018 (19-20 June 2018), a brilliant approach by Microsoft Azure: embedding intelligence to the IoT devices (namely IoT…

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June 2, 2019

Edge embedded system: UP core

Hardware makers are competing to make a credit card-sized single board computer (SBC) that has ‘enough’ computing power on which ‘intelligence’ can be put….

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June 2, 2019

Sonoff RF Bridge (before the firmware flashed)

Turning a remote controller into a (WiFi) lamp switcher using a Sonoff RF bridge that converts a learned RF incoming signal to an MQTT…

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June 2, 2019

IoT market landscape

Many IoT vendors at the last IoT conference in Amsterdam (27-28 June 2018) prefer ZigBee as the connectivity protocol to RF or WiFi due…

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June 2, 2019

Battle of Time-series Database (TSDB)

The rise of time-series database is accelerated by massive IoTs. It can provide users low latency queries & distributed storage. Competition of TSDB vendors…

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June 2, 2019

Integrating RF smoke sensors into Smart Home

Reflecting from the fire in the Office of Ministry of Transportation This is an industrial-grade smoke detector that sounds very noisy and transmits an…

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June 2, 2019

Android sensors to Smart Home

Our Android phone is by default equipped with multiple sensors, e.g., accelerator sensors, magnetic field, photo light detector, noise level sensor, etc. I have…

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June 1, 2019

OpenWRT: Network Democratization

Democratization is a trending word in today’s era, i.e., private-owned have to be community-driven, vendor to be open source, elite to be everybody, locked…

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