Monthly Archives: January 2014

2d mapping using a webcam and a laser

Following on from my previous blog post using a webcam and a laser as a rangefinder, it’s now mounted on a cheap 3 euro stepper motor and used to make a 2d map of the surroundings. As you can see … Continue reading

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Measuring distance using a webcam and a laser

After seeing mini radar project by Aron Horan last year (http://robohoran.wordpress.com/2013/11/27/mini-radar/), I decided to give it a go using a webcam and a laser. The reason for doing this is because using an ultrasonic sensor does not provide precise readings … Continue reading

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Sumobot build, the progress so far

It’s a speedy piece of kit by the looks of it! At the moment the code written just keeps it from falling off the table. When this video was shot there were little white specks on the table causing the … Continue reading

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Papilio One FPGA board , using a switch to turn on an LED

Put this together just to start learning a bit about VHDL coding. The logic is simple, if input P4 (the switch) is low, output P3 (the LED) is high, and vice versa. The circuit diagram is shown below:

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