Informer 207/VT100 Keyboard
Posted: 07 Feb 2020, 02:49
I came across this a little while back and picked it up because it looked interesting. It's the keyboard from an Informer 207/VT100 portable terminal like this one:
Label on the terminal the keyboard came from:
According to the seller the unit was severely damaged in shipping so he was selling off the pieces and I got the keyboard.
The case screws are under the rubber foot on the back:
What kind of switches? Stackpole (oh well).
ICs:
I went ahead and traced out the matrix and wired it up along with the piezo beeper to a Teensy 2.0:
The layout is unusual and, apart from the Stackpole switches, it's kind of fun.
This is the matrix I came up with if anyone is interested:
- unit.jpg (24.88 KiB) Viewed 1395 times
- informer207label.jpg (209.36 KiB) Viewed 1395 times
According to the seller the unit was severely damaged in shipping so he was selling off the pieces and I got the keyboard.
- front_SM.jpg (201.11 KiB) Viewed 1395 times
- back1_SM.jpg (112.36 KiB) Viewed 1395 times
- back_screws_SM.jpg (82.19 KiB) Viewed 1395 times
- front_open_SM.jpg (202.11 KiB) Viewed 1395 times
- open_back_SM.jpg (291.28 KiB) Viewed 1395 times
What kind of switches? Stackpole (oh well).
- keys_off_SM.jpg (270.81 KiB) Viewed 1395 times
ICs:
- IC_SM.jpg (213.88 KiB) Viewed 1395 times
I went ahead and traced out the matrix and wired it up along with the piezo beeper to a Teensy 2.0:
- teensy_SM.jpg (199.56 KiB) Viewed 1395 times
The layout is unusual and, apart from the Stackpole switches, it's kind of fun.
- done_SM.jpg (188.48 KiB) Viewed 1328 times
This is the matrix I came up with if anyone is interested:
- Informer_Matrix.jpg (198.5 KiB) Viewed 1384 times