Ohm law digital demonstrating instrument
A technology of Ohm's law and demonstrator, applied in instruments, educational appliances, teaching models, etc., can solve problems such as inaccuracy and high efficiency, and achieve the effect of simple operation
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[0021] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] Such as figure 1 As shown, a digital demonstrator of Ohm's law, including:
[0023] A control unit, and a voltage display module, a current display module and a resistance display module connected thereto; the control unit is an Arduino control unit.
[0024] The control unit can display the current information, voltage information and resistance information of the circuit under test on the voltage display module, current display module and resistance display module respectively according to the received current information and voltage information of the circuit under test. The voltage display module is a digital voltmeter, the current display module is a digital ammeter, and the resistance display module is a digital resistance meter. The digital resistance meter is a digital meter that can display the ratio of the numbers displayed by the digital voltmeter...
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