How would I incorporate this into my breadboard? Don't quite understand the wiring?

I have a voltmeter set up to monitor, but not sure how to wire this.......:


http://dx.com/p/c20d-0-56-led-3-digital-ammeter-module-white-green-dc-0-5a-187393



Thanks for any suggestions!

 

Normally I'd say, "Buy it and read the instructions". This one says, "English Manual/Spec: No"

That changes my opinion to, "Don't buy it".

 

The power inputs are marked so the other 2 wires must be to measure the current.

If it says negative current just swap the current leads with each other.

 

What do you want to do?
Use it to be a 0~5A Ampere Meter.

Power +Vcc → Ampere Meter → +Vcc (BreadBoard).
Power Gnd ← Gnd (BreadBoard)
The resolution will be 10mA, from 0.01A ~ 5.00A or 0.01A ~ 4.99A.

Use it to be a 0~5V Voltage Meter.
Ignore the internal impedence of Ampere Meter.

Power +Vcc → 1Ω → (+) Ampere Meter
Power Gnd ← (-) Ampere Meter
The resolution will be 10mV, from 0.01V ~ 5.00V or 0.01V ~ 4.99V.
If you adding the internal impedence of Ampere Meter, then should be reduce the value of 1Ω.