Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes an Arduino UNO, various servos, a motor driver, a solar panel, a Li-Ion battery, and other components. The circuit is designed to control multiple servos and motors, powered by a combination of a solar panel and a Li-Ion battery, with an Arduino UNO serving as the main microcontroller.

Component List

1. Arduino UNO

   • Description: Microcontroller board based on the ATmega328P.
   • Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

2. TP4056

   • Description: Lithium battery charger module.
   • Pins: OUT-, B-, B+, OUT+, IN-, IN+

3. Solar Panel

   • Description: Solar panel for energy harvesting.
   • Pins: Vcc, Gnd

4. 18650 Li-Ion

   • Description: Rechargeable lithium-ion battery.
   • Pins: Positive, Negative

5. XL4015 5A DC Buck Step-down

   • Description: DC-DC step-down converter.
   • Pins: Output +, Output -, Input +, Input -

6. L298N Motor Driver Controller Board Module Stepper Motor

   • Description: Dual H-Bridge motor driver.
   • Pins: Output A, +12v Power, +5v Power, Ground, Output B, Input 4, Input 3, Input 2, Input 1

7. Electrolytic Capacitor

   • Description: Capacitor for energy storage.
   • Pins: -, +
   • Properties: Capacitance: 0.000001 Farads

8. POWER SUPPLY 12V 5AMP

   • Description: Power supply unit.
   • Pins: 220V Positive Pole (AC), 220V Negative Pole (AC), GND, GND (DC), 12V-24V Output (DC)

9. Tower Pro SG90 servo

   • Description: Micro servo motor.
   • Pins: Signal, +5V, GND

10. motor and wheels

    • Description: Motor with wheels for movement.
    • Pins: vcc, GND

11. ESP32 - CAM

    • Description: Wi-Fi and Bluetooth module with camera.
    • Pins: 5V, GND, IO12, IO13, IO15, IO14, IO2, IO4, VOT, VOR, VCC, IO0, IO16, 3V3

12. 5408 Diode

    • Description: General-purpose diode.
    • Pins: cathode, Anode

13. MG996R

    • Description: High-torque servo motor.
    • Pins: GND, VCC, SIG

Wiring Details

Arduino UNO

• Reset connected to GND.
• 5V connected to:
  • ESP32 - CAM 5V
  • Tower Pro SG90 servo +5V (4 instances)
  • MG996R VCC (2 instances)
• GND connected to:
  • ESP32 - CAM GND
  • Tower Pro SG90 servo GND (4 instances)
  • MG996R GND (2 instances)
  • L298N Motor Driver Controller Board Module Stepper Motor Ground
  • 18650 Li-Ion Negative
  • TP4056 B-
• D11 connected to Tower Pro SG90 servo Signal.
• D10 connected to Tower Pro SG90 servo Signal.
• D9 connected to Tower Pro SG90 servo Signal.
• D8 connected to Tower Pro SG90 servo Signal.
• D7 connected to MG996R SIG.
• D6 connected to MG996R SIG.
• D5 connected to L298N Motor Driver Controller Board Module Stepper Motor Input 3.
• D4 connected to L298N Motor Driver Controller Board Module Stepper Motor Input 2.
• D3 connected to L298N Motor Driver Controller Board Module Stepper Motor Input 1.
• D1 connected to ESP32 - CAM VOT.
• D0 connected to ESP32 - CAM VOR.

TP4056

• B- connected to 18650 Li-Ion Negative.
• B+ connected to 18650 Li-Ion Positive.
• IN- connected to Solar Panel Gnd.
• IN+ connected to Solar Panel Vcc.

Solar Panel

• Vcc connected to TP4056 IN+.
• Gnd connected to TP4056 IN-.

18650 Li-Ion

• Positive connected to TP4056 B+.
• Negative connected to TP4056 B-.

XL4015 5A DC Buck Step-down

• No specific connections provided in the net list.

L298N Motor Driver Controller Board Module Stepper Motor

• Ground connected to POWER SUPPLY 12V 5AMP GND (DC).
• +12v Power connected to POWER SUPPLY 12V 5AMP 12V-24V Output (DC).
• Output A connected to:
  • motor and wheels GND
  • motor and wheels vcc
• Output B connected to:
  • motor and wheels GND
  • motor and wheels vcc
• Input 3 connected to Arduino UNO D5.
• Input 2 connected to Arduino UNO D4.
• Input 1 connected to Arduino UNO D3.

Electrolytic Capacitor

• No specific connections provided in the net list.

POWER SUPPLY 12V 5AMP

• GND (DC) connected to L298N Motor Driver Controller Board Module Stepper Motor Ground.
• 12V-24V Output (DC) connected to L298N Motor Driver Controller Board Module Stepper Motor +12v Power.

Tower Pro SG90 servo

• Signal connected to:
  • Arduino UNO D11
  • Arduino UNO D10
  • Arduino UNO D9
  • Arduino UNO D8
• +5V connected to Arduino UNO 5V.
• GND connected to Arduino UNO GND.

motor and wheels

• vcc connected to L298N Motor Driver Controller Board Module Stepper Motor Output A and Output B.
• GND connected to L298N Motor Driver Controller Board Module Stepper Motor Output A and Output B.

ESP32 - CAM

• 5V connected to Arduino UNO 5V.
• GND connected to Arduino UNO GND.
• VOT connected to Arduino UNO D1.
• VOR connected to Arduino UNO D0.
• GND connected to IO0.

5408 Diode

• No specific connections provided in the net list.

MG996R

• SIG connected to:
  • Arduino UNO D7
  • Arduino UNO D6
• VCC connected to Arduino UNO 5V.
• GND connected to Arduino UNO GND.

Documented Code

Arduino UNO Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

This code is a basic template for the Arduino UNO, with empty setup and loop functions. You can add your specific setup and main code logic as needed.