Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes a TB6612FNG Motor Driver, an ESP32 microcontroller, a 12V battery, and a 12V to 5V Step Down Power Converter. The circuit is designed to control motors using the ESP32 microcontroller, with power supplied by a 12V battery and regulated to 5V for the ESP32 and motor driver.

Component List

1. TB6612FNG Motor Driver

   • Description: Motor driver for controlling two DC motors.
   • Pins: GND, B01, B02, A02, A01, VCC, VM, PWMB, BI2, BI1, STBY, AI1, AI2, PWMA

2. ESP32 (30 pin)

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

3. Battery 12V

   • Description: Power source for the circuit.
   • Pins: +, -

4. 12V to 5V Step Down Power Converter

   • Description: Converts 12V input to 5V output.
   • Pins: VIN 9v-36v, VIN+, VIN-, USB OUTPUT 5V, 5v OUTPUT, GND

Wiring Details

TB6612FNG Motor Driver

• GND: Connected to the GND pin of the 12V battery and the VIN- pin of the 12V to 5V Step Down Power Converter.
• VCC: Connected to the Vin pin of the ESP32 and the 5v OUTPUT pin of the 12V to 5V Step Down Power Converter.
• VM: Connected to the + pin of the 12V battery and the VIN+ pin of the 12V to 5V Step Down Power Converter.
• PWMB: Connected to the D26 pin of the ESP32.
• BI2: Connected to the D27 pin of the ESP32.
• BI1: Connected to the D14 pin of the ESP32.
• STBY: Connected to the D19 pin of the ESP32.
• AI1: Connected to the D13 pin of the ESP32.
• AI2: Connected to the D12 pin of the ESP32.
• PWMA: Connected to the D25 pin of the ESP32.

ESP32 (30 pin)

• Vin: Connected to the VCC pin of the TB6612FNG Motor Driver and the 5v OUTPUT pin of the 12V to 5V Step Down Power Converter.
• GND: Connected to the GND pin of the 12V to 5V Step Down Power Converter.
• D26: Connected to the PWMB pin of the TB6612FNG Motor Driver.
• D27: Connected to the BI2 pin of the TB6612FNG Motor Driver.
• D14: Connected to the BI1 pin of the TB6612FNG Motor Driver.
• D19: Connected to the STBY pin of the TB6612FNG Motor Driver.
• D13: Connected to the AI1 pin of the TB6612FNG Motor Driver.
• D12: Connected to the AI2 pin of the TB6612FNG Motor Driver.
• D25: Connected to the PWMA pin of the TB6612FNG Motor Driver.

Battery 12V

• -: Connected to the GND pin of the TB6612FNG Motor Driver and the VIN- pin of the 12V to 5V Step Down Power Converter.
• +: Connected to the VM pin of the TB6612FNG Motor Driver and the VIN+ pin of the 12V to 5V Step Down Power Converter.

12V to 5V Step Down Power Converter

• VIN-: Connected to the GND pin of the TB6612FNG Motor Driver and the - pin of the 12V battery.
• VIN+: Connected to the VM pin of the TB6612FNG Motor Driver and the + pin of the 12V battery.
• 5v OUTPUT: Connected to the Vin pin of the ESP32 and the VCC pin of the TB6612FNG Motor Driver.
• GND: Connected to the GND pin of the ESP32.

Code

No code is provided for this circuit.