 | | Re: Motors & handyboard
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| To measure current with an multimeter or ammeter (volt/ohm/etc.. meter) you must break the circuit at some point and put the meter in series with the circuit thus gapping the break. ie) +-----(+) METER (-)------+ | | | | (+) | POWER | (-) | | | | | (...) (27 years ago, 15-Feb-97, to lugnet.robotics.handyboard)
| | | | | Re: Motors & handyboard
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| (...) What is 20? (...) Current meters have an internal resistance. The lower the current range the larger the resistance --- even with digital current meters. Some typical values For example: Digital Analogue Current Range R_meter R_meter 200 uA (...) (27 years ago, 17-Feb-97, to lugnet.robotics.handyboard)
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