User Manual

4
Introduction of PiSmart AI Box
Note: For assembly of the PiSmart box, please refer to the video tutorials on our website:
https://www.sunfounder.com/video and go to Robot Kits -> PiSmart Car -> Part 2.
Box Overview
The PiSmart is an intelligent platform including various smart devices: 24-LED ring,
communication ports like SPI, UART, and I2C, I/O ports like digital, analog and PWM ones,
HDMI video/audio connector, motor port, Ethernet port, USB port, etc. Here a brief
description will be provided.
24-LED Ring
At the top of the PiSmart box, there lies a 24-LED ring which can be controlled by PWM signals
for different levels of brightness.
Communication Ports
The figure below shows how the pins of three types are defined by BCM, wiringPi and
Raspberry Pi. In the code later, BCM is always used.
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