Add a voltage/current meter directly to your robot or mobile project with 12V Battery
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If you want to add a voltage/current display on the main battery of your robot or other mobile project then one of these may be worth looking into:
http://www.ebay.com/itm/250938989003
http://www.ebay.com/itm/260901179716
You could mount one of these on Eddie and watch in real time what power is used and when.
http://www.ebay.com/itm/250938989003
http://www.ebay.com/itm/260901179716
You could mount one of these on Eddie and watch in real time what power is used and when.
Comments
Or, $5.30 500 milliamp ammeter http://www.ebay.com/itm/Digital-DC-500MA-Current-Panel-Meter-Ammeter-5V-Power-/300445115252?pt=LH_DefaultDomain_0&hash=item45f3eca374
Or, $8.11 switchable ammeter/voltmeter http://www.ebay.com/itm/3-1-2-200V-50A-DC-Digital-Red-LED-Panel-Ammeter-Voltmeter-Meter-New-/130573915119?pt=LH_DefaultDomain_0&hash=item1e66cfd3ef