I am trying to insert a led voltmeter in my circuit to obtain output voltage, but cant get it to work.
This is the Voltmeter
http://www.lascarelectronics.com/pdf-usb-datalogging/data-logger0052334001208961058.pdf
I should have a positive output of few volts (tested on oscilloscope), and measured relative to ground.
I cant figure out which pins needs to be grounded, left floating etc. (expect the obvious power supply pins), especially the relative voltage pins.
Any help will be really appreciated.
This is the Voltmeter
http://www.lascarelectronics.com/pdf-usb-datalogging/data-logger0052334001208961058.pdf
I should have a positive output of few volts (tested on oscilloscope), and measured relative to ground.
I cant figure out which pins needs to be grounded, left floating etc. (expect the obvious power supply pins), especially the relative voltage pins.
Any help will be really appreciated.