Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as motor drivers, a battery, an Arduino UNO, a stepper motor driver, a stepper motor, an ESP32, resistors, and a relay module. The circuit is designed to control motors and other peripherals using microcontrollers.

Component List

1. BTS7960 Motor Driver

   • Description: Motor driver module for high-power motors.
   • Pins: Pin 1, Pin 2, Pin 3, Pin 4, Pin 5, Pin 6, Pin 7, Pin 8, Pin 9, Pin 10, Pin 11, Pin 12

2. 12V 200Ah Battery

   • Description: Power source for the circuit.
   • Pins: GND, 12V

3. 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

4. TB660 Stepper Motor Driver

   • Description: Stepper motor driver module.
   • Pins: ENA - (ENA), ENA+ (+5V), DIR - (DIR), DIR+ (+5V), PUL - (PUL), VCC, GND, A+, A-, B+, B-, PUL+ (+5V)

5. Stepper Motor (Bipolar)

   • Description: Bipolar stepper motor.
   • Pins: D, B, C, A

6. ESP32

   • Description: Wi-Fi and Bluetooth microcontroller.
   • Pins: EN, VP, VN, D34, D35, D32, D33, D25, D26, D27, D14, D12, D13, GND, VIN, 3V3, D15, D2, D4, RX2, TX2, D5, D18, D19, D21, RX0, TX0, D22, D23, BOOT

7. Resistor

   • Description: Resistor with a resistance of 200 Ohms.
   • Pins: pin1, pin2

8. Relay module 5v-30v

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

Wiring Details

BTS7960 Motor Driver

• Pin 1: Connected to Relay module (V-), TB660 Stepper Motor Driver (GND), Arduino UNO (3.3V), ESP32 (GND)
• Pin 3: Connected to Resistor (pin1), BTS7960 Motor Driver (Pin 5), ESP32 (VIN), Relay module (V+), TB660 Stepper Motor Driver (PUL+ (+5V)), TB660 Stepper Motor Driver (DIR+ (+5V)), TB660 Stepper Motor Driver (VCC), Arduino UNO (5V), BTS7960 Motor Driver (Pin 7)
• Pin 4: Connected to Arduino UNO (D3)
• Pin 5: Connected to BTS7960 Motor Driver (Pin 3)
• Pin 7: Connected to BTS7960 Motor Driver (Pin 3)
• Pin 8: Connected to Arduino UNO (D4)
• Pin 10: Connected to BTS7960 Motor Driver (Pin 10), 12V 200Ah Battery (GND)
• Pin 11: Connected to BTS7960 Motor Driver (Pin 11), 12V 200Ah Battery (12V)

12V 200Ah Battery

• GND: Connected to BTS7960 Motor Driver (Pin 10)
• 12V: Connected to BTS7960 Motor Driver (Pin 11)

Arduino UNO

• D0: Connected to Resistor (pin2)
• D1: Connected to Resistor (pin1)
• D3: Connected to BTS7960 Motor Driver (Pin 4)
• D4: Connected to BTS7960 Motor Driver (Pin 8)
• D6: Connected to BTS7960 Motor Driver (Pin 8)
• D7: Connected to BTS7960 Motor Driver (Pin 4)
• D11: Connected to Relay module (trigger)
• D12: Connected to TB660 Stepper Motor Driver (DIR - (DIR))
• D13: Connected to TB660 Stepper Motor Driver (PUL - (PUL))
• 3.3V: Connected to BTS7960 Motor Driver (Pin 1)
• 5V: Connected to BTS7960 Motor Driver (Pin 3)

TB660 Stepper Motor Driver

• PUL+ (+5V): Connected to BTS7960 Motor Driver (Pin 3)
• DIR+ (+5V): Connected to BTS7960 Motor Driver (Pin 3)
• VCC: Connected to BTS7960 Motor Driver (Pin 3)
• GND: Connected to BTS7960 Motor Driver (Pin 1)
• PUL - (PUL): Connected to Arduino UNO (D13)
• DIR - (DIR): Connected to Arduino UNO (D12)
• A+: Connected to Stepper Motor (A)
• A-: Connected to Stepper Motor (C)
• B+: Connected to Stepper Motor (B)
• B-: Connected to Stepper Motor (D)

Stepper Motor (Bipolar)

• A: Connected to TB660 Stepper Motor Driver (A+)
• C: Connected to TB660 Stepper Motor Driver (A-)
• B: Connected to TB660 Stepper Motor Driver (B+)
• D: Connected to TB660 Stepper Motor Driver (B-)

ESP32

• RX0: Connected to Resistor (pin2)
• TX0: Connected to Resistor (pin1)
• VIN: Connected to BTS7960 Motor Driver (Pin 3)
• EN: Connected to Resistor (pin2)
• GND: Connected to BTS7960 Motor Driver (Pin 1)

Resistor

• pin1: Connected to Arduino UNO (D1), ESP32 (TX0), BTS7960 Motor Driver (Pin 3)
• pin2: Connected to Arduino UNO (D0), ESP32 (RX0), ESP32 (EN)

Relay module 5v-30v

• V+: Connected to BTS7960 Motor Driver (Pin 3)
• V-: Connected to BTS7960 Motor Driver (Pin 1)
• trigger: Connected to Arduino UNO (D11)

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)

This document provides a comprehensive overview of the circuit, including the components used, their connections, and the code for the microcontroller.