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SparkFun Electronics will be closed in observance of memorial day on Monday, May 29th. We will resume normal business hours on Tuesday, May 30th. Any orders placed after 2pm Mountain Time on Friday, May 26th will process and ship out on Tuesday, May 30th.

Member #440466

Member Since: May 23, 2013

Country: United States

  • Uhmm.. about Port-O-Rotary, do you have a kit to connect the old Port-O-Rotary to modern land lines… they provide less voltage for ringer, and calls usually drop if you connect one of those phones to new land lines. A circuit to deliver the proper voltaje from a POT should be cool