The ESP32-C3 1.28-inch knob screen development board is a versatile and compact development platform designed around the ESP32-C3 microcontroller, which features Wi-Fi and Bluetooth connectivity. This board integrates a 1.28-inch display and a rotary knob, making it ideal for user interface applications and IoT projects that require both visual feedback and user input.

Features

• ESP32-C3 Microcontroller:
  • Based on the ESP32-C3 SoC, which includes a single-core 32-bit RISC-V processor.
  • Supports Wi-Fi 4 (802.11 b/g/n) and Bluetooth 5 (LE).
• Display:
  • 1.28-inch color display (typically TFT or IPS) with high resolution for clear visuals.
  • Used for displaying information, status updates, and user interfaces.
• Rotary Knob:
  • Integrated rotary encoder for user input, allowing for intuitive control and navigation.
  • Can be used for adjusting settings, scrolling through menus, and selecting options.
• Connectivity:
  • Wi-Fi and Bluetooth connectivity for wireless communication.
  • Suitable for IoT applications, remote monitoring, and control.
• GPIO and Expansion:
  • General-purpose input/output (GPIO) pins for connecting additional sensors, actuators, and peripherals.
  • Compatible with various development environments including Arduino IDE and ESP-IDF.
• Power Supply:
  • Typically powered via USB or an external power supply.
  • Designed for low power consumption, suitable for battery-powered applications.

Specifications

• Microcontroller: ESP32-C3 (single-core 32-bit RISC-V)
• Clock Speed: Up to 160 MHz
• Flash Memory: 4 MB (varies by model)
• SRAM: 400 KB
• Display Size: 1.28 inches
• Display Type: TFT or IPS
• Resolution: Typically 240×240 pixels
• Connectivity: Wi-Fi 4 (802.11 b/g/n), Bluetooth 5 (LE)
• GPIO Pins: Varies, typically around 10-20 pins
• Interfaces: SPI, I2C, UART, ADC, PWM
• Power Supply: 5V via USB or external power supply
• Operating Voltage: 3.3V for GPIO
• Dimensions: Compact size, varies by manufacturer