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Hi
I'm a totally noob in power electronics.
I need a SEPIC converter with the following characteristics
Vin(min) = 11V
Vin(max) = 20V
Vout = 25.5V
Iout (max) = 2A
f = 100khz - 300khz
performance is not an issue
Could someone calculate the values of the components needed to build the...
They are Nema 17 0.7Nm.
Very low friction and high supply voltage 30V is the key for high speed.
@pranam77: I didnt thought that someone want the plans for it. I can share them they are in solidoworks 2010 format though they are no totaly complete cause I have made some modification while...
Re: Homemade CNC for PCB
I've managed today to route a PCB. It is a single Stepper motor controler with an A3982 chip (SOIC package).
The photo of the final PCB is from my mobile phone. I do not have a photo camera here with me.
The first 2 photos are from the programm that produces the G-Code...
Re: Homemade CNC for PCB
With PSU, Stepper motors and Stepper motor cotroller board about 600 euros.
The mechanical parts were cheap, less than 100euro.
Stepper Motors less than 70 euro.
Homemade CNC for PCB
I would like to present my homemade CNC for PCB routing.
It has a floating head so height adjustment isn't critical.
It is made of plastic.
Max speed is 1400mm/sec. (It has Nema 17 steppes so there is not much torque)
Later i will post photos of PCB I've made with it.
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