![]() This is really due to the built-in protection that the voltage regulators have. I then repeated the test to measure the loading on the power source when the voltage regulator output was shorted, and I am glad to say that the source remained protected. I noticed that the 5 V regulator heated up, but when the short was taken away it cooled down and continued to operate within normal parameters. I performed a short circuit test by shorting the power supply rails for a full minute, and surprisingly the voltage regulators continued operating properly. The manual I received came with a small sheet of paper stating only the input voltage and current levels, however this MB102 manual may provide more information. ![]() This multi-page article might prove useful to anyone considering buying it, or needs to know how it works. ![]() It provides dual 5 V and 3.3 V power rails, and has a USB socket. This module has the marking 545043 and MB V2 on the printed circuit board (PCB). The MB102 is a breadboard power supply module manufactured by the YwRobot Corporation in China.
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