Camera module, Photography, Science, Sensors

Ophthalmoscope powered by Raspberry Pi scans for retinal diseases

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Over at Hackaday.io, Ebin Philip has written an account of his ophthalmoscope (eye retina scanner) powered by a Raspberry Pi and a camera module. The device, which costs about $400 all-in, has been designed to scan the target eye for Diabetic Retinopathy which is a complication of diabetes causing damage to the retina, eventually leading to blindness. Normally, scanners cost in the region of $10-25k so this is an incredible achievement. You can read a lot more about the device, and some of the science behind it, here.

Competitions, Events, Hackathon, Industry, Internet of things

Worldpay to use Raspberry Pis, LEGO and more in their September Hackathon

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Just had word from Worldpay about a really interesting Hackathon that is happening at the Impact Hub, Westminster on Friday 23rd September to Sunday 25th September. Using Raspberry Pis, LEGO and other kit and Worldpay’s new IoT open-source technology Worldpay Within, you will investigate and develop ways of paying in the world of the Internet of Things. You can read more and request an invite on their website. There are cash prizes for the winning team, and for the runners-up.

GPIO boards, Reviews, Sensors

The MagPi reviews the Analog Zero for the Raspberry Pi from RasPiO

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The MagPi has published their review of the Analog Zero from issue 48. It’s an extremely positive review and really highlights how usable the board is. I really like it (I covered it in a preview a few months ago) as it makes using analog inputs so easy. You can read the review here and get hold of the Analog Zero from RasPiO, The Pi Hut or Pimoroni.

Alex Eames, the creator of Analog Zero, is currently running a Kickstarter for a GPIO Zero reference ruler.

Camera module, Photography, Wearable

Wearable Raspberry Pi camera records holiday snaps

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Manoj Nathwani wanted to record his experiences on a holiday in which he would visit 4 countries in 5 days. So, he utilised a Raspberry Pi 3 and a Camera Module, sewing the camera directly into the strap. His photography results were mixed, but it’s a great example of how to use the Pi as an embedded, wearable device. You can see Manoj talk about the project on the EMF Camp recordings website and you can read about it on his blog.

Emulation, GPIO boards, Programming, Raspberry Pi Foundation, Sensors

Raspberry Pi Foundation launches SenseHAT emulator

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Dave Honess, over at the Foundation, has just announced the availability of a SenseHAT emulator. It allows you to use a virtual SenseHAT and program it with the sense_hat Python library. Pretty neat! You can even manually alter the virtual sensor readings to see it affecting your program. You can access the emulator and see a variety of sample programs over at trinket.io and read a bit more about the development of it over at Raspberry Pi HQ.