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Hazim Bitar writes in about the GOduino II motor driver project. In addition to the Atmega328p w/Opti bootloader, he uses a L293D h-bridge and various supporting caps and resistors giving the project a total estimated cost of about $20. [via]
GOduino II motor driver - [Link]
carlyn writes:
This project is designed to allow you to create a reusable module for Bi-Polar Stepper applications based on a L293D H-Bridge. An H-bridge is a circuit that allows you to reverse the polarity of a DC circuit. They’re used to control the direction of motors.
Stepper Motor Module – [Link]
The project is “Motorized Curtain” with Remote control. It is made up of MCU ATMEGA328 with Arduino BootLoader, motor driver L293D ( i used L293B with external diodes, because i couldn’t find L293D ), IR Receiver TSOP 1738, DC Motor from an old printer and other small parts.
Motorized Curtain with Remote control - [Link]
