Lab Notes

Experiments with computing, electronics, and maker crafts.

PowerBook G3 power cycling issue

August 24, 2019

I was all excited to post a PowerBook G3 photo thread today but I think I killed it by attempting a hard drive upgrade. With original HD still stuck in this 3-sec on/off cycle. Anyone familiar? [Edit: I fixed it! The modem was disconnected after I had reassembled it. I’m preserving this post for the photos.]

Important technical notes I took, let’s say a while ago

August 11, 2019

Important technical notes I took, let’s say a while ago. Retro Twitter points for whomever can identify the subject of the first page.

Some HP calculators

July 23, 2019

I’m a bit amused to discover that HP sells an HP Prime emulator as a mobile app for $25. App Store 3/5 stars due to being buggy.…

DeAgostini 1:2 scale R2D2

June 1, 2019

After 100 weeks, assembly of the DeAgostini 1:2 scale R2D2 is finally complete! Now I just need the weird batteries to arrive from eBay. Fully animated, mobile, voice and phone-app controlled. Pop-up lightsaber!

The Complete Commodore Inner Space Anthology

May 21, 2019

I mentioned The Complete Commodore Inner Space Anthology by Karl J.H. Hildon (thanks again @BedfordLvlExp), and now I have a signed copy! Some things in this 122-page almanac of awesome:

Vintage computer cultural artifacts

May 11, 2019

One of my favorite things about Robin’s vids is all the ancillary vintage material. I just adore books like The Complete Commodore Inner Space Anthology, giant hodgepodges of interesting stuff with no specific target audience.……

TRS-80 model 200

April 28, 2019

Another new friend! Any guesses?

Things about Commodore 64 BASIC

April 21, 2019

Things I learned (either never knew or forgot) in the last 24 hours about Commodore 64 BASIC:

The ultra-rare orange Commodore 128

April 18, 2019

This is my prized Commodore 128, a rarity from the latter days of its run when they came in this orange gradient color. So gorgeous!

I now have an HP-87

March 31, 2019

I now have an HP-87 thanks to @KevinSavetz ! Needs some cleaning but its basic (and BASIC) functions seem to work. Parts on order to try the serial port and a ROM expansion.