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Tag Archives: cheap
DIY UV PCB exposure box
UV exposure boxes sell for hundreds of euros from vendors such as RS electronics and Farnell when they can be built at home for approximately 70 euro. I used a plant pot to build mine because it was the only … Continue reading
Cheap and nasty ‘powered’ usb cable
I was trying to connect a wifi adapter to a raspberry pi today but the pi’s usb ports could not supply enough current to the device. A powered USB hub would be the ideal solution to this problem but I … Continue reading
Posted in Hardware, Uncategorized
Tagged cheap, hack, powered, raspberry pi, usb, workaround
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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
Posted in 2d mapping, C, Hardware, Microcontrollers, Projects, Python
Tagged 2d mapping, cheap, hack, laser, microcontroller, pic, python, stepper motor, webcam, xc8
21 Comments
Second attempt at making an x-y plotter (TinyPlotter)
This plotter was built using parts from cd disc drives. The parts that actually control the motion are the steppers in the cd drives. The steppers are normally used to move a laser diode back and forth over the disc … Continue reading
Posted in C, Microcontrollers, pic microcontrollers, Plotters, Projects
Tagged cd drives, cheap, cnc, drawing machine, laser cutter, microcontroller, pic, x-y plotter
2 Comments