The circuit in question is designed to interface a Raspberry Pi 5 with various peripherals including camera modules, a display, motor drivers, and solid-state relays. It is powered by a Lithium-ion battery and includes a rocker switch for power control. The Raspberry Pi 5 controls the motors through an L298N DC motor driver and captures images from the camera modules. The display is connected via HDMI and USB for power and touch screen functionality. Solid-state relays are used for controlling external devices, possibly for switching power lines. The circuit is designed to be modular, with the ability to control and interact with the connected components programmatically.
Camera 2
connected to Cam module 3 Wide AngleMicro HDMI 1
connected to Display 7 inch HDMICamera 1
connected to another Cam module 3 Wide AngleUSB 3.0
connected to Display 7 inch USB PowerUSB 2.0
connected to Display 7 inch USB Touch ScreenGND
connected to Solid State Relay 1x DC-, L298N DC motor driver GND, and Lithium-ion Battery GNDGPIO 23, 24, 25, 2, 3, 17, 27, 22, 5
connected to various pins on the L298N DC motor driver for control signalsGPIO 2, 3
connected to Solid State Relay 1x DC+ for control signalsCamera Pin
connected to Raspberry Pi Camera portsIN1, IN2, IN3, IN4, ENA, ENB
controlled by Raspberry Pi GPIO pinsOUT1, OUT2, OUT3, OUT4
connected to 12V Geared Motors12V
connected to Rocker SwitchGND
connected to Raspberry Pi GND and Lithium-ion Battery GND5V-ENA-JMP-I
jumpered to 5V-ENA-JMP-O
for enabling motor driver1
connected to Lithium-ion Battery 11.1V2
connected to L298N DC motor driver 12VTerminal 1, Terminal 2
connected to L298N DC motor driver OUT pinsHDMI
connected to Raspberry Pi Micro HDMI 1USB Power
connected to Raspberry Pi USB 3.0USB Touch Screen
connected to Raspberry Pi USB 2.0CH1
not connected (control signal not specified)DC-
connected to Raspberry Pi GNDDC+
connected to Raspberry Pi GPIO 2 and GPIO 311.1V
connected to Rocker SwitchGND
connected to Raspberry Pi GND and L298N DC motor driver GNDimport RPi.GPIO as GPIO
import time
import picamera
import threading
This code snippet imports the necessary libraries for GPIO pin control, time-based functions, camera interface, and threading for concurrent operations on the Raspberry Pi.
.ino
), despite the file extension.documentation.txt
file is empty, indicating that additional documentation is expected to be written by the user.