Circuit Documentation

Summary

This circuit involves an Arduino Mega 2560 microcontroller, a pushbutton, resistors, relays, solenoids, and a LiPo battery. The Arduino controls the relays, which in turn control the solenoids. The pushbutton is used to trigger actions on the Arduino, and the resistors are used for current limiting.

Component List

1. Arduino Mega 2560

   • Description: A microcontroller board based on the ATmega2560.
   • Pins: IOREF, RESET, 3V3, 5V, GND, VIN, A0-A15, D21/SCL, D20/SDA, D19/RX1, D18/TX1, D17 PWM/RX2, D16 PWM/TX2, D15/RX3, D14/TX3, D0 RX0, D1 TX0, D2 PWM, D3 PWM, D4 PWM, D5 PWM, D6 PWM, D7 PWM, D8 PWM, D9 PWM, D10 PWM, D11 PWM, D12 PWM, D13 PWM, AREF, SDA, SCL, D52, D50, D48, D46, D44, D42, D40, D38, D36, D34, D32, D30, D28, D26, D24, D22, D53, D51, D49, D47, D45, D43, D41, D39, D37, D35, D33, D31, D29, D27, D25, D23

2. Resistor

   • Description: A 2000 Ohm resistor.
   • Pins: pin1, pin2
   • Properties: Resistance: 2000 Ohms

3. Pushbutton

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

4. 12V Single Channel Relay

   • Description: A relay module for switching high voltage devices.
   • Pins: NC, COM, NO, IN, GND, VCC

5. Solenoid

   • Description: An electromechanical solenoid.
   • Pins: pin1, pin2

6. LiPo Battery 2200mAH 30C

   • Description: A 2200mAh LiPo battery.
   • Pins: VCC, GND

Wiring Details

Arduino Mega 2560

• 5V is connected to:

  • Pushbutton Pin 4 (out)
  • VCC of both 12V Single Channel Relays

• GND is connected to:

  • GND of both 12V Single Channel Relays
  • pin1 of the Resistor

• D11 PWM is connected to:

  • pin2 of the Resistor
  • Pushbutton Pin 1 (in)

• D12 PWM is connected to:

  • IN of the first 12V Single Channel Relay

• D13 PWM is connected to:

  • IN of the second 12V Single Channel Relay

Resistor

• pin1 is connected to:

  • GND of both 12V Single Channel Relays
  • GND of Arduino Mega 2560

• pin2 is connected to:

  • Pushbutton Pin 1 (in)
  • D11 PWM of Arduino Mega 2560

Pushbutton

• Pin 4 (out) is connected to:

  • 5V of Arduino Mega 2560
  • VCC of both 12V Single Channel Relays

• Pin 1 (in) is connected to:

  • pin2 of the Resistor
  • D11 PWM of Arduino Mega 2560

12V Single Channel Relay

• VCC is connected to:

  • 5V of Arduino Mega 2560
  • Pushbutton Pin 4 (out)

• GND is connected to:

  • GND of Arduino Mega 2560
  • pin1 of the Resistor

• IN of the first relay is connected to:

  • D12 PWM of Arduino Mega 2560

• IN of the second relay is connected to:

  • D13 PWM of Arduino Mega 2560

• COM of both relays is connected to:

  • VCC of the LiPo Battery

• NO of the first relay is connected to:

  • pin2 of the first Solenoid

• NO of the second relay is connected to:

  • pin2 of the second Solenoid

Solenoid

• pin1 of both solenoids is connected to:

  • GND of the LiPo Battery

• pin2 of the first solenoid is connected to:

  • NO of the first 12V Single Channel Relay

• pin2 of the second solenoid is connected to:

  • NO of the second 12V Single Channel Relay

LiPo Battery

• VCC is connected to:

  • COM of both 12V Single Channel Relays

• GND is connected to:

  • pin1 of both Solenoids

Documented Code

Arduino Mega 2560 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)

This documentation provides a comprehensive overview of the circuit, including a detailed list of components, their wiring connections, and the code used in the microcontroller.