• Updates: Accelerometer, Camera, GPS

    Monday, December 16, 2013

    12/16/2013— Updates

    We got in our newest batch of Tessels this week!

    We’re testing them now but it’s likely that this will be the same design used in our production run.

    We also got in 300 Accelerometers from our manufacturer. We’ll be pushing more modules into production soon.



    The GPS module now has working firmware! Here is our first coordinate data:

    (Don’t worry, I fixed the timestamp issue shown here.)


    It’s been a while since we gave an update about the camera module, but here’s a Tessel selfie we took with one of the cameras we’re testing:

    The camera can send data over two different protocols, UART and SPI. SPI is much faster than UART as you can see from the signal readings we did.

    This is sending an image at 38400 baud. It takes… a few seconds. Realistically this can probably go up to 115200 baud and have the transmission time cut down to ~1s.

    This is transmitting over SPI. It takes ~26ms with a 500KHz clock.

    Sooo we’re going to be using SPI.

    Till next time,

    Jia, Kelsey, Eric, Jon, Tim


    #technical machine #tessel #updates #accelerometer #camera #update

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