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In-Situ Instruments Laboratory
NASA Jet Propulsion Laboratory
California Institute of Technology, Pasadena
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Title: Electronics Lab
Digital Publisher: Digital: Cushing Memorial Library and Archives, Texas A&M University, College Station, Texas
Physical Publisher: Physical: Agricultural Communications Office of the Texas Agricultural Extension Service, Texas A&M University
Date Issued: 2011-08-17
Date Created: 1960
Dimensions: 4 x 5 inches
Format Medium: Photographic negative
Type: image
Identifier: Photograph Location: Graphic Services Photos, Box 40, File 39-618
Rights: It is the users responsibility to secure permission from the copyright holders for publication of any materials. Permission must be obtained in writing prior to publication. Please contact the Cushing Memorial Library for further information
Macro Electronics for Project 52, week 11.
This is a view of an old motherboard I had laying around.
Ampex video tape recorder: Meters for vacuum and control track level. The vacuum was required to keep the tape where it was wanted!
JVC Electronics 1976 Ad. CR-4400U Video Cassette Deck, GC-4800U Color Camera. New JVC CR-4400U Color Portable Recorder, shown with new CR-8300U Full-Editing Cassette Recorder, GC-4800U Color Camera, CC4800U Camera Control Unit and Dual-Machine Remote Controller. Add and color TV set to our color camera and video cassette recorder / player combination and you've got everything you need to start making high-quality color video. Electronics. Stock Number: 10366-W.
The Dirty Electronics Ensemble soundcheck with Merzbow at the Hare and Hounds, Birmingham, 16th April 2008
#3 opened
A curious object (actually one of 5) I picked up in an electronics surplus grab bag. (Well "box" if you want to pick nits.) Certainly resembles some kind of adapter or socket, but I've never see its like before.
The metal tabs within and without are very fine and do not offer much surface contact area. Very curious indeed.
Traces from top to botton: output voltage, output current (inverted), over-current signal, combined voltage/over-current control signal going to the power transistor drivers.
100nF in parallel with the 4n7 of C26. The over-current control kicks in much later - as expected. The RC time is about 20x larger than before.
Tiny chip used to store the sound announcement used when the doors open on passenger trains in QLD "Doors closing, please stand clear"
Normally, an opaque label is placed over the chip to prevent it being erased due to exposure to UV light.
As one might guess, quite a few extra holes were drilled to get all the through-hole boards to mount on the side.
My old Arduino board is behind the screw-tap sheild on the lower left. Due to short wires on the stepper motors, the X and Y boards are flipped so that the motile Y stepper has the shortest distance for its wires to travel.
Other hack: the power supply actually doesn't have enough sockets to comfortably drive 2.0 hardware, so a power splitter is being used.