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Keithley 197: Difference between revisions
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* [https://www.eevblog.com/forum/projects/replacement-display-board-for-keithley-197a/25/ Keithley 197 OLED display board / Bluetooth interface project thread] @ EEVblog Forum / [https://github.com/alx2009/K197Display Project page @ Github] / [https://www.youtube.com/watch?v=tVYD4UWaDdc Video #1] / [https://www.youtube.com/watch?v=7X7YOPeH9es Video #2 (Graph)] | * [https://www.eevblog.com/forum/projects/replacement-display-board-for-keithley-197a/25/ Keithley 197 OLED display board / Bluetooth interface project thread] @ EEVblog Forum / [https://github.com/alx2009/K197Display Project page @ Github] / [https://www.youtube.com/watch?v=tVYD4UWaDdc Video #1] / [https://www.youtube.com/watch?v=7X7YOPeH9es Video #2 (Graph)] | ||
* [https://www.eevblog.com/forum/projects/reverse-engineering-of-the-internal-ieee-interface-of-the-keithley-197a/msg5202936/#msg5202936 Reverse engineering of the internal IEEE interface of the Keithley 197A] @ EEVblog Forum | * [https://www.eevblog.com/forum/projects/reverse-engineering-of-the-internal-ieee-interface-of-the-keithley-197a/msg5202936/#msg5202936 Reverse engineering of the internal IEEE interface of the Keithley 197A] @ EEVblog Forum | ||
==Internals== | |||
The GPIB interface communicates with the bas instrument over an opto-isolated serial port. It uses a separate MC146805 CPU. | |||
==Pictures== | ==Pictures== | ||