AVR Stepper Driver
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I'm sure you can make this with a bunch of logic ICs. Using an AVR is extreme overkill - like shooting a fly with an elephant gun.
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Cool! I kept looking for the stepper motor until I realized the LEDs were representing the signals that WOULD be going to a stepper motor if there was one.
But, where's the DIY part? Source code? What programming language?
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actually, its far easier to build it with the AVR, and means i need 1 chip instead of 10+, and i can reprogram it to add half stepping and serial interfaces at a later date.
theparag0n 4 years ago
Yes and no ... a combination of a L297 and L298, together with an AVR would make it complete. You need less I/O Ports and can be sure that the stepper motor works under any circumstance.
DeadDealer83 1 year ago
@DeadDealer83 the final version of this used a pair of UDN2559s and 8 outputs from an atmega32
theparag0n 1 year ago