Tag Archives: diy

Grisbot to be laser-cut (a guided tour)

Finally, the Grisbot’s acrylic casing is being laser-cut, possibly even as we speak. Here is a guided tour in Sketchup of what may actually come to be by the end of this week, starting with the front view: The ruler … Continue reading

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TOR Systems List

This picture identifies the major systems for the TOR. (TOR stands for Tele-Operated Robot.) Here is a preliminary parts list. 1. Arduino Microcontroller for input/output interface between communications and motor/servos. Easy to find, only $35. 2. Wireless Camera available on … Continue reading

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Bottle Cap Buzzy Glow Toy

Take a plastic bottle cap and make it buzz and glow. Flip it over and here’s the internals: The bottle cap I have in mind is the plastic one that comes on top of one-gallon water jugs. The 3 volt … Continue reading

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Minor DIY surgery on a TV set

My nephew bought a TV at Goodwill for just fifteen dollars the other day, so that he and his friend can play XBox games side by side with their own screens in my apartment. I’m such a pushover that I … Continue reading

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Just to replace a laptop screen cable

So my nephew’s T*sh*b* laptop screen was blinking when he tilted it, and now it doesn’t work at all. Most likely reasons, according to internet forum gurus, are the screen cable or the inverter. Okay, we’ll just open up the … Continue reading

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Autofade with Fritzing (A review)

From Fritzing.org: Fritzing is essentially an Electronic Design Automation software with a low entry barrier, suited for the needs of designers and artists. It uses the metaphor of the breadboard, so that it is easy to transfer your hardware sketch … Continue reading

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Autofade Lamp Test Circuit Upgrade

On Saturday, I reported that I didn’t have enough current gain in my autofade lamp test circuit to get a flashlight lamp to glow. The solution was to insert a second transistor, so that the circuit looks like this now: … Continue reading

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