Hardware Leftovers
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CAN communication on the Raspberry PI with SocketCAN
Looking for a way to connect your Raspberry PI to a Controller Area Network (CAN) bus? With the help of the low-cost Waveshare RS485/CAN hat, you can augment your Raspberry PI such that it can communicate with the traffic on the CAN bus. This article explains how to configure the Waveshare RS485/CAN hat as a SocketCAN interface on your Raspberry PI.
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Engaging Black students in computing at school — interview with Lynda Chinaka
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The Beauty Of Dance, Seen Through The Power Of Touch | Hackaday
This platform, which is called Kinetic Soul, uses Posenet computer vision to track a dancer’s movements. Posenet detects the dancer’s joints and creates a point map to determine what body parts are moving where, and at what speed. Then the system translates and transmits the movements to the 32 pins on the surface, creating a touchable picture of what’s going on. Each 3D-printed pin is controlled with a solenoid, all of which are driven by a single Arduino.
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Sinclair Pocket TV Teardown | Hackaday
A pocket-sized TV is not a big deal today. But in 1983, cramming a CRT into your pocket was quite a feat. Clive Sinclair’s TV80 or FTV1 did it with a very unique CRT and [Dubious Engineering] has a teardown video to show us how it was done.
A conventional CRT has an electron gun behind the screen which is why monitors that use them are typically pretty thick. The TV80’s tube has the electron gun to the side to save space. It also uses a fresnel lens to enlarge the tiny image.
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Bendable Colour EPaper Display Has Touch Input Too | Hackaday
The Interactive Media Lab at Dresden Technical University has been busy working on ideas for user interfaces with wearable electronics, and presents a nice project, that any of us could reproduce, to create your very own wearable colour epaper display device. They even figured out a tidy way to add touch input as well. By sticking three linear resistive touch strips, which are effectively touch potentiometers, to a backing sheet and placing the latter directly behind the Plastic Logic Legio 2.1″ flexible electrophoretic display (EPD), a rudimentary touch interface was created. It does look like it needs a fair bit of force to be applied to the display, to be detectable at the touch strips, but it should be able to take it.
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