An Introduction to Unix
While this strictly speaking does not fall into employment, UNIX is a topic that I have studied in the past, and has provided me with value in the various jobs that I have enjoyed. I did a short course at our local community collage back in 1999, and these were the notes that were provided. I have found these to be useful and I hope you do too,
De Dietrich LED Control Panel
Another display module design that I put together was for the French company De Dietrich, who manufacture high end cooking equipment, and this module was intended for an oven. The module required an LED display with custom icons, two switches and a rotary switch encoder.
Sadly I cannot find a picture of the display in the final unit, so if anyone has one, please feel free to send me a copy.
The completed module
This module comprised two designs, the LED display module and the main board it was mounted to. The LED module consists a printed circuit board and custom plastic molding. The custom molding includes a flame icon and a celsius symbol.
The icon is top right of the module
As with other Three-Five designs, the LED controller die was bonded directly to the custom LED PCB. Three-Five Systems had extensive experience with wire bonding, as all LED displays require wire bonding.
Industrial Controller Display
This was another industrial controller display, that was to fit into a quarter DIN enclosure. However I cannot for the life of me remember who the customer was.
The module was to fit in a quarter DIN enclosure, and comprised a custom plastic molding.for the display, and a printed circuit board. The display chip was a National 5450 as was used in many Three-Five modules.
The four switches were I believe soft switches and were just routed back to the main board. All in all, a very compact design.
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