Circuit Documentation

Summary

This circuit is designed to integrate various components including an Arduino UNO, a solar panel, a TP4056 battery charger, an MT3608 boost converter, a relay module, multiple LEDs, a servo motor, a pushbutton, and an LDR module. The circuit is powered by a solar panel and a 2x 18650 battery pack, and it includes functionalities for controlling LEDs, a servo motor, and a relay module based on inputs from the LDR module and a pushbutton.

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. Solar Panel

   • Description: Solar panel for generating electrical power.
   • Pins: Vcc, Gnd

3. TP4056

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

4. MT3608

   • Description: DC-DC boost converter.
   • Pins: VOUT+, VIN+, VOUT-, VIN-

5. Relay module 5v-30v

   • Description: Relay module for switching high voltage devices.
   • Pins: common contact, normally open, normally closed, trigger, V-, V+

6. Servo

   • Description: Servo motor for precise control of angular position.
   • Pins: GND, VCC, PWM

7. LED: Two Pin (red)

   • Description: Red LED.
   • Pins: cathode, anode

8. LED: Two Pin (yellow)

   • Description: Yellow LED.
   • Pins: cathode, anode

9. LED: Two Pin (green)

   • Description: Green LED.
   • Pins: cathode, anode

10. LED: Two Pin (white)

    • Description: White LED.
    • Pins: cathode, anode

11. 2x 18650

    • Description: Battery pack with two 18650 cells.
    • Pins: vcc, gnd

12. Module LDR

    • Description: Light-dependent resistor module.
    • Pins: VCC, GND, DO, AO

13. Pushbutton

    • Description: Pushbutton switch.
    • Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

Wiring Details

Arduino UNO

• 5V connected to:

  • Relay module 5v-30v (V+)
  • Relay module 5v-30v (normally closed)

• GND connected to:

  • Servo (GND)
  • MT3608 (VOUT-)
  • Pushbutton (Pin 1 (in))
  • Module LDR (GND)
  • LED: Two Pin (yellow) (cathode)
  • LED: Two Pin (white) (cathode)
  • LED: Two Pin (red) (cathode)
  • Relay module 5v-30v (V-)
  • LED: Two Pin (green) (cathode)

• A0 connected to:

  • Module LDR (AO)

• D12 connected to:

  • LED: Two Pin (white) (anode)

• D10 connected to:

  • LED: Two Pin (green) (anode)

• D9 connected to:

  • LED: Two Pin (yellow) (anode)

• D8 connected to:

  • LED: Two Pin (red) (anode)

• D7 connected to:

  • Relay module 5v-30v (trigger)

• D3 connected to:

  • Servo (PWM)

• D2 connected to:

  • Pushbutton (Pin 4 (out))

Solar Panel

• Vcc connected to:

  • TP4056 (IN+)
  • Relay module 5v-30v (common contact)
  • Module LDR (VCC)

• Gnd connected to:

  • TP4056 (IN-)

TP4056

• IN+ connected to:

  • Solar Panel (Vcc)

• IN- connected to:

  • Solar Panel (Gnd)

• B- connected to:

  • MT3608 (VIN-)
  • 2x 18650 (gnd)

• B+ connected to:

  • MT3608 (VIN+)
  • 2x 18650 (vcc)

MT3608

• VOUT- connected to:

  • Servo (GND)
  • Arduino UNO (GND)
  • Pushbutton (Pin 1 (in))

• VOUT+ connected to:

  • Servo (VCC)
  • Relay module 5v-30v (normally open)

Relay module 5v-30v

• V+ connected to:

  • Arduino UNO (5V)
  • Relay module 5v-30v (normally closed)

• V- connected to:

  • Arduino UNO (GND)

• trigger connected to:

  • Arduino UNO (D7)

• common contact connected to:

  • Solar Panel (Vcc)

• normally open connected to:

  • MT3608 (VOUT+)

Servo

• GND connected to:

  • MT3608 (VOUT-)
  • Arduino UNO (GND)
  • Pushbutton (Pin 1 (in))

• VCC connected to:

  • MT3608 (VOUT+)
  • Relay module 5v-30v (normally open)

• PWM connected to:

  • Arduino UNO (D3)

LED: Two Pin (red)

• cathode connected to:

  • Module LDR (GND)
  • Arduino UNO (GND)

• anode connected to:

  • Arduino UNO (D8)

LED: Two Pin (yellow)

• cathode connected to:

  • Module LDR (GND)
  • Arduino UNO (GND)

• anode connected to:

  • Arduino UNO (D9)

LED: Two Pin (green)

• cathode connected to:

  • Module LDR (GND)
  • Arduino UNO (GND)

• anode connected to:

  • Arduino UNO (D10)

LED: Two Pin (white)

• cathode connected to:

  • Module LDR (GND)
  • Arduino UNO (GND)

• anode connected to:

  • Arduino UNO (D12)

2x 18650

• vcc connected to:

  • TP4056 (B+)
  • MT3608 (VIN+)

• gnd connected to:

  • TP4056 (B-)
  • MT3608 (VIN-)

Module LDR

• VCC connected to:

  • Solar Panel (Vcc)
  • TP4056 (IN+)
  • Relay module 5v-30v (common contact)

• GND connected to:

  • LED: Two Pin (yellow) (cathode)
  • LED: Two Pin (white) (cathode)
  • LED: Two Pin (red) (cathode)
  • Relay module 5v-30v (V-)
  • Arduino UNO (GND)
  • LED: Two Pin (green) (cathode)

• AO connected to:

  • Arduino UNO (A0)

Pushbutton

• Pin 1 (in) connected to:

  • Servo (GND)
  • MT3608 (VOUT-)
  • Arduino UNO (GND)

• Pin 4 (out) connected to:

  • Arduino UNO (D2)

Documented Code

Arduino UNO Code (sketch.ino)

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

}

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

}

Documentation (documentation.txt)