License

MIT

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Arduino Nano L293 shield copy

1 year ago 133
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

This project is an open source Arduino Nano robotics project. It uses an L293D as a motor controller, and has inputs and outputs for an external 7-12V battery pack, as well as output pins for the motors.

There are two porto-pin areas available as separate 4x2 headers for use with extra sensors, radio antennas etc.

Smoothing capacitors can be added to both the power supply-input as well as the output to the motors.

The project has two versions. One where IN1 through IN4 is mapped directly to separate Arduino pins (D8-D13), and one using an inverter for the IN-pins on the L293D, enabling control of the motor directions using only two pins on the Arduino (freeing up two pins).

Along the sides of the PCB there are mounting holes for motor brackets and the standard "yellow-type" brushed DC motors that are abundant on eBay and Aliexpress. There are also six extra mounting holes designed to allow attachment of battery packs and a line sensor, etc.

Documents

Arduino Nano L293 PCB copy

Arduino Nano L293D Shield Inverter copy

Arduino Nano L293D Shield Standard copy

Arduino Nano and Uno L293D Shield copy

BOM

ID Name Designator Footprint Quantity
1 Header 2X2 MOTORA HDR2X2 1
2 NO MOTORB HDR2X2 1
3 L293D U1 DIP16-2.54-19.2X7.62MM 1
4 NO 5V,VIN HDR1X2 2
5 NO LINESENSING,ULTRASONIC HDR1X4 2
6 ARDUINO NANO U2 ARDUINO_NANO 1
7 CAPACITOR U3,U4,U5 TWO_IO 3

Attachments

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