Make brushless motor controller 50A ESC

I found some old 40GB hard drives in the warehouse. So I had an idea to make a brushless motor controller for it. I used Attiny13A microcontroller - Why is Attiny13A ?. It is very cheap, only about 2 $ for 5pcs. Moreover, it can program with arduino, load program with arduino uno. Very convenient. I have used 3 mosfet smd. Of course, you can also use transistors if you want. I took Mosfet on asus G41 Motherboard. it has lots of smd mosfet. Luckily, it worked, because Attiny13A only had 1kb rom. So it does not have many functions, you can replace it with arduino or other MCU. I have attached the Arduino source code in the video description.

All my projects are free, I design them on EAGLE 6.0. I uploaded it to Google drive. You need to use a web browser to download the file and open the file with winrar software (extract) on the PC. Open schematic file (.SCH) and PCB file (.BRD) with EAGLE software.
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Facebook group : http://bit.ly/CreativeElectronic
Diagram here : File 52 in http://bit.ly/AllLink
or http://bit.ly/BrushlessMotorController You need web browser to download file (I upload it to google drive), open the file with winrar on PC. I use EAGLE 6.6 to design the PCB.
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Видео Make brushless motor controller 50A ESC канала Homemade 102