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The USB Data Logger from eLabtronics monitors voltages on the pins of the ports of the USB programmer. It is also able to manipulate the voltages on the pins of the ports by setting the pins high or low. The data logger comes with a series of test probes which can be used to apply voltages to the pins of ports A, B and C of the USB programmer. The USB Data Logger is user friendly and easy to learn, making it suitable for schools and  universities.

The USB Data Logger contains two modes; Multimeter Mode and Digital Manipulation Mode.

In multimeter mode, the voltage level on any of the five analog-to-digital (ATD) channels on port A can be monitored. Both analog and digital representation of the voltages levels are presented. The ability to compare voltages between channels is also available in multimeter mode. The ATD conversion values are stored in a log, and this data can be exported to a Microsoft Excel spreadsheet.

Multimeter Mode		Voltage Comparison
Digital Representation (Left) and Analogue Representation (Right) of Voltage
		Data log of ATD conversions

In digital manipulation mode, the digital input/output(s) of ports A, B and C are monitored. The graphical user interface provides an LED representation of the bits of the port, through which the state of the bits is viewed. The user can set the bits high or low by clicking on the LED for the corresponding bit. Like in multimeter mode, a log is created for each port and this data can be exported to a Microsoft Excel spreadsheet. Digital manipulation mode is extremely useful for project debugging.

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