This 'Arduino Fast Power-MOSFET Driver Cookbook' demonstrates three inexpensive options to drive large Power MOSFET's fast.
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The Praduino multimeter is based on Arduino Nano. This multimeter can work on normal power supply or with 3.7V LiPo battery.
Project tutorial by pradyumne
This is the simplest example of repulsive magnetic levitation.
Project tutorial by Mirko Pavleski
Thank you for this interesting discussion. My question is why you use in chapter 4 not a small MOSFET for Q1. And I would also use a current source instead of RC, this could save some current during OFF.
Hi Steven, maybe he is using an ADS1115 chip, this has 16 bits in the same family (I use this type) But we all like Antonio are missing the schematic!!
I like your solution because it is rather simple. The control loop is as fast as possible with a binary output. Did you try to use a PWM output? The difficult part may be is to get an toroid magnet and to adjust the best hight. What is the mean current through the coil, because you talk about only 200 windings.
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