Large fischertechnik models include many motors and lamps and reach high power consumption. To give an idea, a simple bulb lamp requires up to ~100 mA and 1 W.
So total consumption can quickly outreach the capacity supplied by the battery pack or the AC power adaptor.
This project provides a handy tool to get precise measures. As usual, the module is cased on a 9V red box for a nice integration.
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