Public info about the author: Gamesh891
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SPICE simulation of PID controller implemented with Arduino. Simple PID controller for the brightness of a LED.When the LED is close to the photo resistor, varying the potentiometer this increase and decrease the brightness of the LED. If you move the LED away, the PID tries to compensate and turns up the brightness to match the set point. If the set point is too low it will settle for turning off.
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SPICE simulation of a whistle key finder with microcontroller. When the piezo detects a whistle the microcontroller triggers the beeper, the whistle must have a frequency of about 2khz.
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this power supply provides a voltage from 1,2V to 30V with a current up to 3 Ampere and a second output fixed to 5V and 1 Ampere which can be quickly set to other voltages with 78xx.