Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a variety of components such as a microcontroller (RP2040 Zero), a DC motor driver (L298N), a current sensor, an LCD display, a potentiometer, a keypad, and other components. The circuit is designed to interface these components to perform specific tasks, which are controlled by the RP2040 Zero microcontroller.

Component List

1. RP2040 Zero

   • Description: Microcontroller
   • Pins: 5V, GND, 3V3, 29, 28, 27, 26, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0

2. L298N DC Motor Driver

   • Description: Dual H-Bridge Motor Driver
   • Pins: OUT1, OUT2, 12V, GND, 5V, OUT3, OUT4, 5V-ENA-JMP-I, 5V-ENA-JMP-O, +5V-J1, +5V-J2, ENA, IN1, IN2, IN3, IN4, ENB

3. Current Sensor 5A

   • Description: Current Sensor
   • Pins: 1, 2, GND, OUT, VCC

4. RC

   • Description: Remote Control Receiver
   • Pins: +, -, CH2, COM, CH1

5. EML

   • Description: Electromagnetic Lock
   • Pins: -, +

6. Keypad

   • Description: Keypad
   • Pins: COM, CH2, CH1

7. Battery 12V

   • Description: Power Supply
   • Pins: +, -

8. 16x2 I2C LCD

   • Description: LCD Display
   • Pins: GND, VCC, SDA, SCL

9. Potentiometer

   • Description: Variable Resistor
   • Pins: GND, Output, VCC

10. LMA

    • Description: Linear Motor Actuator
    • Pins: +, -

Wiring Details

RP2040 Zero

• 5V: Connected to VCC of Current Sensor 5A, VCC of 16x2 I2C LCD, VCC of Potentiometer, 5V of L298N DC Motor Driver
• GND: Connected to GND of Current Sensor 5A, GND of 16x2 I2C LCD, GND of Potentiometer, GND of L298N DC Motor Driver, - of RC, - of Battery 12V
• 29: Connected to OUT of Current Sensor 5A
• 28: Connected to Output of Potentiometer
• 27: Connected to SCL of 16x2 I2C LCD
• 26: Connected to SDA of 16x2 I2C LCD
• 15: Connected to CH2 of RC
• 14: Connected to COM of RC
• 13: Connected to CH1 of RC
• 8: Connected to COM of Keypad
• 7: Connected to CH1 of Keypad
• 6: Connected to CH2 of Keypad
• 3: Connected to IN1 of L298N DC Motor Driver
• 2: Connected to IN2 of L298N DC Motor Driver
• 1: Connected to IN3 of L298N DC Motor Driver
• 0: Connected to IN4 of L298N DC Motor Driver

L298N DC Motor Driver

• 5V: Connected to 5V of RP2040 Zero
• GND: Connected to GND of RP2040 Zero, GND of Battery 12V
• 12V: Connected to + of Battery 12V, + of RC
• OUT1: Connected to - of LMA
• OUT2: Connected to 1 of Current Sensor 5A
• OUT3: Connected to + of EML
• OUT4: Connected to - of EML
• IN1: Connected to 3 of RP2040 Zero
• IN2: Connected to 2 of RP2040 Zero
• IN3: Connected to 1 of RP2040 Zero
• IN4: Connected to 0 of RP2040 Zero

Current Sensor 5A

• VCC: Connected to 5V of RP2040 Zero
• GND: Connected to GND of RP2040 Zero
• OUT: Connected to 29 of RP2040 Zero
• 1: Connected to OUT2 of L298N DC Motor Driver
• 2: Connected to + of LMA

RC

• +: Connected to 12V of L298N DC Motor Driver
• -: Connected to GND of RP2040 Zero
• CH2: Connected to 15 of RP2040 Zero
• COM: Connected to 14 of RP2040 Zero
• CH1: Connected to 13 of RP2040 Zero

EML

• +: Connected to OUT3 of L298N DC Motor Driver
• -: Connected to OUT4 of L298N DC Motor Driver

Keypad

• COM: Connected to 8 of RP2040 Zero
• CH1: Connected to 7 of RP2040 Zero
• CH2: Connected to 6 of RP2040 Zero

Battery 12V

• +: Connected to 12V of L298N DC Motor Driver, + of RC
• -: Connected to GND of RP2040 Zero, GND of L298N DC Motor Driver

16x2 I2C LCD

• GND: Connected to GND of RP2040 Zero
• VCC: Connected to 5V of RP2040 Zero
• SDA: Connected to 26 of RP2040 Zero
• SCL: Connected to 27 of RP2040 Zero

Potentiometer

• GND: Connected to GND of RP2040 Zero
• Output: Connected to 28 of RP2040 Zero
• VCC: Connected to 5V of RP2040 Zero

LMA

• +: Connected to 2 of Current Sensor 5A
• -: Connected to OUT1 of L298N DC Motor Driver

Code

No code is provided for this circuit.

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This document provides a comprehensive overview of the circuit, including a summary, a detailed component list, wiring details, and a section for code documentation. Each component is described, and its connections are clearly outlined to ensure proper assembly and understanding of the circuit.