![]() It can mess with nearby microcontrollers and ICs. This is not a fault of the board, it’s just what happens when you switch a stepper motor. The A/B pads and traces leading to them, along with those pins on the chip, and your cabling leading to the stepper motor, will throw off a ton of EMI. Easy to use with literally any microcontroller you can imagine. 9 ratings: 1 of 1 found this helpful: Great - just be careful with EMI! Robot. The L297/1 stepper motor controller IC generates. STMICROELECTRONICS L297/1 Motor Driver/Controller, Stepper, 4.75V to 7V supply, 3.9V. Uses the L297/L298 stepper motor driver combo. You don’t have to spend a lot of money to control motors with an Arduino. Intro: Control DC and stepper motors with L298N Dual Motor Controller Modules and Arduino. L293D Motor Driver Interface with PIC18F4550 USB Interface Board.
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