![]() ![]() Here, I will attempt to succinctly and accurately describe the power limitations of the standard Arduino boards, such as the Uno and Nano. In either case, it's important to understand the limitations of your Arduino, its input/output pins, and its voltage regulators. Larger servos and motors like these have the potential to push the Arduino past its max current limits, potentially causing it to reset itself and cause unusual errors while running, or possibly even damage the Arduino (I should note that most linear voltage regulators have an over-temperature auto-cutoff feature, however, so damage is unlikely). ![]() In using Arduino and designing my circuits for it, I have often-times asked myself the question, "What are the power/current/voltage limitations of the Arduino?" "Will I risk damaging it?" In the image above, for instance, a large servo is being powered by the voltage regulator right on the Arduino development board. (image above is from this Adafruit tutorial here) ![]()
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