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Arduino NANO robot expansion board

Overview

The length of the Arduino NANO robot expansion board
is 78mm and the width is 58mm.
3mm mounting holes, hole spacing 5mm standard, compatible with WALLE, Lobo and other microcontroller robots. You can also use two long screws to lock the LEGO hole beam and then build it with LEGO bricks.
There is a mini super L298N motor drive module (1508S) on the board that can drive two DC motors.
Lead out the remaining pins through the 3P pin header and arrange them according to 8 inputs and 8 outputs. The iic and uart serial ports are led out through the XH2.54 socket and header.
The board is not designed with a voltage stabilizing circuit and can only use 5V power supply. It can be used with an open source robot mobile power supply to replace the original 4-cell AA battery box.

Legos

Design Files

29e5bc2425ba2fd658ed5e9116233e1e.mp4

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