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Author Archives: engineerzero
Upgrading Autofade Lamp Prototype
Okay, now it’s time to upgrade the autofade lamp from test circuit to product prototype. And so today was a shopping day. First, I want to swap the 1000uF capacitor with a 3300uF to make the fade last longer. Next, … Continue reading
Autofade Table Lamp on Youtube
Here’s the autofade table lamp video that I posted to Youtube. Values of the capacitor and resistors are subject to tweaking, of course.
Posted in Uncategorized
Tagged autofade table lamp, diy, do it yourself, electronics, hobby, lamp, lamps, product concept, product design, sketchup
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Autofade Table Lamp Test Circuit
So, as you recall from my previous entry, I wanted to build an autofade table lamp based on this circuit diagram: This is how the test circuit looks in reality (the hand, by the way, is my nephew’s): (Note that … Continue reading
Posted in Uncategorized
Tagged autofade table lamp, diy, electronics, lamp design, product design
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Autofade Table Lamp
Years ago, my car had an interior light that would come on when the door was opened, then slowly fade away when the door was closed. I now need something like that for my apartment. The light switch next to … Continue reading
Posted in Uncategorized
Tagged do it yourself, electronics, product design, sketchup, table lamp
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In Defense of Steve Jobs
10 Unusual Things I Didn’t Know About Steve Jobs Why do I get the feeling that this alleged ‘tribute’ is actually a hit piece in disguise? Steve Jobs is dying and is rumored to have only weeks to live, and … Continue reading
High Moon
Way back when, I wrote a science fiction novelette called “High Moon,” about teleoperated lunar mining robots in Wild Old West Cosplay. It appeared in the May 2005 issue of Analog Science Fiction and Fact Magazine, the longest-running print magazine … Continue reading
The Mystery of the Backwards Transistors
I’ve made a video correction to my video about a PC to arduino to toy crane interface. The second video is called The Mystery of the Backwards Transistors. Anyhow, if you missed it, here is the first video: And here … Continue reading
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Transistor Follies
My electrical engineering education at the University of Washington back in the late 1970s was long on theory and short on hands on experience. Hence it wasn’t until recently, when I started to fool around with electronics, that I needed … Continue reading
PC to arduino to toy crane
Posted in Uncategorized
Tagged arduino, computer interface, electronics, robotics, robots
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St. Helens quakes move under the caldera
The Daily News Online, which serves the lower Columbia River region in the south of Washington State, reports on the recent St. Helens volcano earthquake swarm of this past week, and concludes: The quakes are occurring along a fault known … Continue reading
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Tagged earthquake, mount st. helens, quake, saint helens, st. helens, swarm, volcano
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Engineer Zero 