A time-measuring device that can be connected to any MS-DOS PC through the standard CENTRONICS parallel printer’s connector is described. The start-stop sensors can be either electromechanical or electronic. A dedicated software controls the device’s operation and status. […]
We describe hardware and software of a low-cost interface board designed to allow easy measurement of analog quantities and time intervals by Apple IIe computer in the physics laboratory. The device includes a timer, a four channel A/D converter and the corresponding conditioning circuits for data acquisition. […]