ESP32 Development Board

Information

Introduction

The ESP32 is a series of low-cost, low-power system on a chip (SoC) microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. It was developed by Espressif Systems and is a successor to the popular ESP8266.

The ESP32 Development Board (CH340C Type C version) is a specific variant that features:

• ESP32-WROOM-32 Module: The core module containing the dual-core processor and wireless capabilities.
• CH340C USB-to-UART Bridge: A chip that allows the computer to communicate with the ESP32 via USB. It is known for being reliable and having good driver support.
• USB Type-C Connector: Modern connector for power and programming, offering better durability and convenience compared to Micro-USB.

Developer Setup

To start developing with the ESP32, follow these steps:

1. Install USB Drivers:
   • Download and install the CH340 drivers for your operating system (Windows, macOS, or Linux).
   • Once installed, connecting the board via USB Type-C should create a new COM/Serial port.
2. Install Development Environment:
   • Arduino IDE: A popular choice for beginners. You must add the ESP32 board URL to the “Additional Board Manager URLs” in Preferences (https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json).
   • PlatformIO: A professional-grade extension for VS Code, ideal for larger projects.
   • ESP-IDF: The official IoT Development Framework by Espressif for advanced users.
3. Select Board:
   • In Arduino IDE, select ESP32 Dev Module or DOIT ESP32 DEVKIT V1.

GC9A01 Display (7 Pin Version)

The 1.28” GC9A01 display is a vibrant, round TFT LCD display module that is commonly paired with ESP32 and Arduino projects for creating modern wearable or smart-home interfaces.

• Specifications:
  • Size: 1.28 Inch.
  • Resolution: 240x240 RGB.
  • Driver IC: GC9A01.
  • Interface: 4-Wire SPI.
  • Form Factor: Round PCB.
  • Voltage: 3.3V.
• Pinout (7-Pin Version):
  1. RES: Reset.
  2. CS: Chip Select.
  3. DC: Data/Command.
  4. SDA: SPI Data (MOSI).
  5. SCL: SPI Clock (SCK).
  6. GND: Ground.
  7. VCC: Power (3.3V).
• Recommended Libraries:
  • TFT_eSPI (highly optimized for ESP32).
  • Adafruit_GC9A01 (easy to use with Adafruit GFX).
  • GFX Library for Arduino.

See also

• Espressif Systems Official Website
• ESP32 Documentation
• CH340 Drivers (WCH)
• Micro Radar Round TFT Firmware Installer
• Micro Radar Web Flasher
• Adafruit 2.1” 480x480 Round RGB 666 TTL TFT Display
• ESP32 Development Board on AliExpress
• 1.28” Round TFT LCD on AliExpress
• ESP32 Development Board Variant on AliExpress
• ESP32 and Display Resources (Google Drive)
• Arduino
• Raspberry Pi