Circuit Documentation

Summary

This circuit is designed to control multiple stepper motors and a DC motor using an Arduino Nano. The circuit includes motor drivers, limit switches, a power supply, and various control buttons. The Arduino Nano is programmed to manage the motor operations and respond to the limit switches and control buttons.

Component List

1. Arduino Nano

   • Description: A small, complete, and breadboard-friendly board based on the ATmega328P.
   • Pins: D1/TX, D0/RX, RESET, GND, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11/MOSI, D12/MISO, VIN, 5V, A7, A6, A5, A4, A3, A2, A1, A0, AREF, 3V3, D13/SCK

2. tb6600 Micro Stepping Motor Driver

   • Description: A microstepping driver suitable for driving bipolar stepper motors.
   • Pins: ENA-, ENA+, DIR-, DIR+, PUL-, PUL+, B-, B+, A-, A+, GND, VCC

3. Switching Power Supply

   • Description: Provides regulated power to the circuit.
   • Pins: AC, GND, -V, +V

4. Stepper Motor (Bipolar)

   • Description: A type of stepper motor that requires a bipolar driver.
   • Pins: D, B, C, A

5. 7805

   • Description: A voltage regulator that outputs 5V.
   • Pins: Vin, Gnd, Vout

6. Limit switch

   • Description: A switch used to detect the presence or absence of an object.
   • Pins: C, NO, NC

7. IRF520 PWM

   • Description: A MOSFET module used for PWM control of DC motors.
   • Pins: V+, V-, Vin, GND, SIG, Vcc

8. DC Motor

   • Description: A motor that runs on direct current.
   • Pins: pin 1, pin 2

9. Emergency STOP

   • Description: A switch used to immediately stop the circuit in case of an emergency.
   • Pins: NC

10. Pushbutton START

    • Description: A button used to start the circuit.
    • Pins: NC, NO

11. power 220v

    • Description: Provides 220V AC power to the circuit.
    • Pins: hot wire, neutral wire

12. Toggle Switch spst

    • Description: A single-pole single-throw switch used to control the power supply.
    • Pins: L1, COM

Wiring Details

Arduino Nano

• D8: Connected to ENA+ of all tb6600 Micro Stepping Motor Drivers.
• D5: Connected to DIR+ of tb6600 Micro Stepping Motor Driver.
• D2: Connected to PUL+ of tb6600 Micro Stepping Motor Driver.
• D3: Connected to PUL+ of tb6600 Micro Stepping Motor Driver.
• D4: Connected to PUL+ of tb6600 Micro Stepping Motor Driver.
• D6: Connected to PUL- of tb6600 Micro Stepping Motor Driver.
• D7: Connected to DIR+ of tb6600 Micro Stepping Motor Driver.
• D9: Connected to C of Limit switch.
• D10: Connected to C of Limit switch.
• D11/MOSI: Connected to SIG of IRF520 PWM.
• D12/MISO: Connected to C of Limit switch.
• D13/SCK: Connected to Vcc of IRF520 PWM.
• GND: Connected to GND of tb6600 Micro Stepping Motor Drivers, Limit switches, Switching Power Supply, 7805, Pushbutton START, and IRF520 PWM.
• 5V: Connected to Vout of 7805.
• A2: Connected to NO of Pushbutton START.
• A0: Connected to NC of Emergency STOP.

tb6600 Micro Stepping Motor Driver

• ENA+: Connected to D8 of Arduino Nano.
• DIR+: Connected to D5 of Arduino Nano.
• PUL+: Connected to D2, D3, D4 of Arduino Nano.
• PUL-: Connected to D6 of Arduino Nano.
• DIR+: Connected to D7 of Arduino Nano.
• B-: Connected to A of Stepper Motor (Bipolar).
• B+: Connected to C of Stepper Motor (Bipolar).
• A-: Connected to B of Stepper Motor (Bipolar).
• A+: Connected to D of Stepper Motor (Bipolar).
• GND: Connected to GND of Arduino Nano.
• VCC: Connected to +V of Switching Power Supply.

Switching Power Supply

• AC: Connected to COM of Toggle Switch spst and hot wire of power 220v.
• +V: Connected to GND of Arduino Nano, tb6600 Micro Stepping Motor Drivers, Limit switches, 7805, Pushbutton START, and IRF520 PWM.
• +V: Connected to VCC of tb6600 Micro Stepping Motor Drivers, Vin of 7805, and Vin of IRF520 PWM.

Stepper Motor (Bipolar)

• A: Connected to B- of tb6600 Micro Stepping Motor Driver.
• C: Connected to B+ of tb6600 Micro Stepping Motor Driver.
• B: Connected to A- of tb6600 Micro Stepping Motor Driver.
• D: Connected to A+ of tb6600 Micro Stepping Motor Driver.

7805

• Vin: Connected to +V of Switching Power Supply.
• Gnd: Connected to GND of Arduino Nano.
• Vout: Connected to 5V of Arduino Nano.

Limit switch

• NO: Connected to GND of Arduino Nano.
• C: Connected to D9, D10, D12 of Arduino Nano.

IRF520 PWM

• V+: Connected to pin 1 of DC Motor.
• V-: Connected to pin 2 of DC Motor.
• Vin: Connected to +V of Switching Power Supply.
• GND: Connected to GND of Arduino Nano.
• SIG: Connected to D11/MOSI of Arduino Nano.
• Vcc: Connected to D13/SCK of Arduino Nano.

DC Motor

• pin 1: Connected to V+ of IRF520 PWM.
• pin 2: Connected to V- of IRF520 PWM.

Emergency STOP

• NC: Connected to A0 of Arduino Nano.

Pushbutton START

• NC: Connected to GND of Arduino Nano.
• NO: Connected to A2 of Arduino Nano.

power 220v

• hot wire: Connected to AC of Switching Power Supply.
• neutral wire: Connected to L1 of Toggle Switch spst.

Toggle Switch spst

• L1: Connected to neutral wire of power 220v.
• COM: Connected to AC of Switching Power Supply.

Documented Code

sketch.ino

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

}

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

}

documentation.txt

This documentation provides a comprehensive overview of the circuit, including a detailed component list, wiring details, and the code used in the Arduino Nano.