Category Archives: Sensors

Forget crowdsourcing, Plume Labs tries flock-sourcing with connected pigeons

There are several apps out there crowdsourcing environmental data using smartphones on the ground (our app WeatherSignal among them), but Plume Labs has started collecting pollution data directly from the sky with the help of some feathered friends. This week, the … Continue reading

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Sensing Samsung: The evolution of sensors in the Galaxy S series

On Sunday at Mobile World Congress, Samsung is expected to unveil its latest flagship smartphone. There are a lot of speculation and rumors swirling about the hardware and features in the new Galaxy S7, and our CTO James Robinson has … Continue reading

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Galaxy S7: both Qualcomm and Samsung chips seen by OpenSignal

The Galaxy S range has always embraced multiple variants – the S6 for example comes with about a dozen different internal configurations (the cell radios and sensors they used). Some of this is unavoidable, CDMA networks aren’t going to work … Continue reading

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Meet HaLow: A Wifi network built for the internet of things

Wifi already connects our laptops, smartphones and smart TVs to the internet, but it has bigger ambitions. It wants to glue together the internet of things. The Wi-Fi Alliance this week unveiled its proposed technology for smart homes, connected cars, … Continue reading

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Bluetooth’s short range will get a lot longer in 2016

Bluetooth is getting a significant range boost next year, according to the standard-setting Bluetooth SIG. In its roadmap for 2016, the SIG said Bluetooth would see its range quadruple from its current 100 meters as part of a raft of … Continue reading

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How crowdsourcing is mapping the communities everyone forgot

Since OpenSignal depends on community crowdsourcing to collect data from millions of smartphones, we’re always interested in interesting crowdsourced projects. One that caught our attention is the Missing Maps Project, which aims to map out vulnerable neighborhoods and communities around … Continue reading

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Smartphones in the classroom 3: Learning from our apps

If you’re a frequent user of our apps, chances are that you chose OpenSignal to get better coverage and find the best carrier in your area, or downloaded WeatherSignal to check the temperature and pressure before leaving home in the … Continue reading

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8 Crowdsourcing apps (besides OpenSignal) we love

If you’re reading this blog post, chances are you already have the OpenSignal app running on your smartphone. If so, you’re part of a community millions-strong sharing information about their mobile network’s connections. All of that information goes into databases that … Continue reading

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What smartphone batteries know about São Paulo’s weather

A couple of years ago, our ginger CTO (yes, that’s how he likes to introduce himself!) was having a look at battery temperature data collected by OpenSignal users when he was struck by an unexpected discovery…insert suspense music here. What … Continue reading

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Smartphones in the classroom 2: Teaching Physics

Do you remember the time when cellphones’ only use was to make and receive calls while out and about? Mobile phones were originally created to do that, no more, no less. Similarly, sensors in smartphones were first put there to … Continue reading

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