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For the term "download basic principles of over unity electromag".

Electric OU: MOSFETs… How do they WORK? Part 7: Basic feedback loop

A negative temperature coefficient (NTC) thermistor is used to provide a variable resistance path to ground for the IRFPG50’s gate charge. Then, the heat output of the mosfet’s load bulb is used to warm…

Arduino 10: Basic Feedback Loop, Homeostasis, Maintaining a Setpoint

Now I’ve set up the system to maintain a set level of illumination on the sensor. This is a basic negative feedback loop, where the brighter the sensor illumination, the less bright it tells…