CNCProject StepperMotorControl

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gbalage edited this page Feb 1, 2012 · 9 revisions

Stepper motor controller:

L297 Stepper motor control
L298 Motor driver
PIC16F1829 MCU
MCP4131 digipot

Part prices:

L297: 940 Ft (hestore)
L298: 826 Ft (hestore)
PIC16F1829: 403 Ft (1.80 usd from Microchip, farnell does not sell them yet, 420 Ft from chipcad)
MCP4131: 163 Ft (farnell)
overall: 2332 Ft (x3 for 3 axis)

Cheaper version:

L298 driver
pic16F1824 ~300Ft from Farnell
I2C interface, MCU drives the L298 with PWM

I2C communication

I2C-PC bus interface:

PIC12F1822 : RS232-I2C
or PIC18F14K50 USB-I2C
or MCP2200/MCP2210

PIC18F USB can be learnt from http://code.google.com/p/jallib/source/browse/#svn%2Ftrunk%2Finclude%2Fperipheral%2Fusb