Large images of the clock backs.
http://www.myimagecollection.com/clocks/
Search found 2 matches
- Wed Jan 21, 2015 11:45 am
- Forum: Nuts & Volts Magazine Discussions
- Topic: January 2015 Arduino-based Master Clock
- Replies: 11
- Views: 30364
- Mon Jan 05, 2015 9:21 am
- Forum: Nuts & Volts Magazine Discussions
- Topic: January 2015 Arduino-based Master Clock
- Replies: 11
- Views: 30364
January 2015 Arduino-based Master Clock
The article is great for the old IBM clocks running on 24VDC. Now we need an article on building a controller that injects signals onto the AC line for the clock shown below. I can't put my finger on the info as to what frequency the signals need to be. I have a book that shows the old tube circuit ...