Circuit Documentation

Summary

This circuit is designed to control a set of pneumatic solenoid valves and servos using an Arduino Mega 2560 microcontroller. The circuit includes a 4-channel relay module to switch the solenoid valves and a voltage regulator to supply the servos. The power supply provides the necessary voltage and current to the system.

Component List

Arduino Mega 2560

• Microcontroller board based on the ATmega2560
• It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button.

Relay 4 Channel 5v

• A 4-channel relay module with 5V operating voltage
• It can be used to control various appliances and other equipment with large current.

Servo (3 instances)

• A rotary actuator or linear actuator that allows for precise control of angular or linear position, velocity, and acceleration.
• It consists of a suitable motor coupled to a sensor for position feedback.

LM340T5 7805

• A voltage regulator that outputs a fixed 5V from a higher voltage input.

Pneumatic Solenoid Valve (3 instances)

• An electromechanically operated valve controlled by an electric current through a solenoid.
• Used to control the flow of air in pneumatic systems.

Power Supply (2 instances)

• Provides the required electrical power to the circuit.
• It has a positive (+) and negative (-) terminal for DC power output.

Wiring Details

Arduino Mega 2560

• 5V connected to Relay 4 Channel 5v VCC
• D8 PWM connected to Relay 4 Channel 5v IN3
• D9 PWM connected to Servo pulse
• D10 PWM connected to Servo pulse
• D11 PWM connected to Servo pulse
• D12 PWM connected to Relay 4 Channel 5v IN2
• D13 PWM connected to Relay 4 Channel 5v IN1
• GND connected to Relay 4 Channel 5v GND

Relay 4 Channel 5v

• COM1, COM2, COM3 connected to Power Supply +
• NO1 connected to Pneumatic Solenoid Valve
• NO2 connected to Pneumatic Solenoid Valve
• NO3 connected to Pneumatic Solenoid Valve

Servo

• vcc connected to LM340T5 7805 Vout
• gnd connected to LM340T5 7805 GND
• pulse connected to Arduino Mega 2560 D9 PWM, D10 PWM, or D11 PWM (depending on the servo instance)

LM340T5 7805

• Vout connected to Servo vcc
• Vin connected to Power Supply +
• GND connected to Power Supply - and Servo gnd

Pneumatic Solenoid Valve

• Connected to Relay 4 Channel 5v NO1, NO2, or NO3 (depending on the valve instance)
• Other terminal connected to Power Supply -

Power Supply

• + connected to LM340T5 7805 Vin and Relay 4 Channel 5v COM1, COM2, COM3
• - connected to LM340T5 7805 GND and Pneumatic Solenoid Valve

Documented Code

Arduino Mega 2560 - sketch.ino

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

}

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

}

Arduino Mega 2560 - documentation.txt

(No additional documentation provided)