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Category: data_engineer

June 2, 2019

Energy monitoring device

One of IoT application for the smart home: electronic appliance energy monitoring. I used Sonoff PoW as the measuring and switching device. To be…

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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 2, 2019

InfluxDB cluster: Setup & Installation

In any good IT platform, main features must be prepared in front, by-design. Scalability and high availability are two must-have capabilities in any big…

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June 1, 2019

Big data networking disruptive technology

Investigating big data technology in my job also means observing the revolution in networking technology as the mean for transporting the data. For years,…

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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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June 1, 2019

Dataiku: flexible data science tools

In the previous post, the flexibility given by data science tools greatly reduces the performance, i.e., the execution speed. Fortunately, Dataiku, a data science…

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June 1, 2019

Flexibility vs. Speed

Data science tools such as Rapidminer, Dataiku, and KNIME offer so much flexibility and provide easy-to-understand building blocks that abstract data processing functions. It…

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June 1, 2019

Low-powered living body detection

A friend asked me to design a low-powered living body detection system for a rural farm in Indonesia. The constraints are no electricity and…

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June 1, 2019

GPU Database

I think one of the promising technology in the next couple of years is the use of GPU for accelerating any kinds of job….

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