Voyage Data Recorder, an electronic device on ships that records navigational status for later accident investigation (a type of black box)
Vehicle data recorder, an electronic device in automotive units that records OBDII CAN BUS data
Voltage Divider Rule, or Voltage Division Rule, a fundamental of electronics, that a point between multiple resistors will be at a voltage based on the ratio of resistor values.
Topics referred to by the same term
This disambiguation page lists articles associated with the title VDR. If an internal link led you here, you may wish to change the link to point directly to the intended article.