
hard drive stepper motor driver | Electronics Forum (Circuits, …
Sep 26, 2006 · Your hard disk uses a stepper motor right? Therefore it must have a stepper motor driver. I would start by Googling for the chip part numbers near the stepper motor on your hard …
details of stepper motor used in floppy drive
Oct 31, 2007 · The experimenter will learn to design and build microcontroller based control systems and to design and build driver circuits to switch power applied to stepper motor …
Invisible laser radiation in DVD drives? | Electronics Forum (Circuits ...
Oct 9, 2017 · Recently, I opened up a DVD writer drive for curiosity to see its insides and mechanisms. While the drive casing was open, I plugged SATA power and signal cables to it …
ULN2803 Stepper Motor Circuit Help - Electronics Forum (Circuits ...
Mar 18, 2004 · Therefore, if you use stepping from old floopy disk driver, you can use 12V zener here. But for safety, they usually 15V instead. 27V zener will cause slow control as you run on …
Accidently plugged 19vdc PS into a 12vdc back up hard drive.
Jan 20, 2023 · I accidently plugged 19vdc PS into a 12vdc back up hard drive. Lights don't come on anymore. Computer does not know back up HD is connected anymore. I...
Using HDD motor as generator | Electronics Forum (Circuits, …
Feb 28, 2010 · I am making prototype windmill and am using a Hard disk drive motor as my generator. (or intend to) I believe this is a three phase motor and i would like to know what i …
Reading a floppy disk manually | Electronics Forum (Circuits, …
Aug 21, 2005 · You need a 'floppy disk controller', these used to be available (30+ years ago?) as a chip set, to connect between the drive and your micro-processor. For many years now they …
HDD motor as a servo. | Electronics Forum (Circuits, Projects and ...
Mar 17, 2016 · Heres an interesting project I did for fun but might find usefull. A 3 phase hard disk motor servo with a arduino, the servo accepts position commands over serial, 0 - 1440 so 0.25 …
Using two half-bridge drivers in H-bridge circuit
Jul 12, 2022 · Hi, I wanted to use cheap and available in store a half-bridge Driver IR2104. I don't get, how to make it works. Do I need two PWM signals, phase of the second is 180 compared …
Low noise TEC driver design - adjustable linear voltage regulator
Feb 7, 2024 · Hi all, I currently have a project where I want to heat a EMI sensitive device (DUT) with a peltier module. I started with an Arduino, a MOSFET driver module (IRF520N), a lab …