ESP32-C3 with 0.42 OLED display

The ESP32-C3 with 0.42" OLED Display is a compact development board that combines the powerful ESP32-C3 microcontroller with an integrated OLED screen for instant visual feedback. Based on the ESP32-C3 RISC-V single-core processor, this board is perfect for hobbyists, educators, and professionals building IoT projects, wearable devices, and embedded systems that require both wireless connectivity and a built-in display. Its small form factor and USB-C interface make it incredibly convenient for rapid prototyping and deployment.

Key Features:

• Integrated 0.42" OLED Display: Built-in monochrome OLED screen for displaying status information, sensor data, and custom graphics without additional hardware.
• USB-C Connectivity: Modern USB-C port for programming, power supply, and serial communication.
• Compact Purple PCB Design: Small footprint with breadboard-compatible pin headers on both sides for easy prototyping.
• Dual RGB LEDs: Two programmable RGB LEDs mounted on the top edge for visual indicators and effects.
• Wi-Fi and Bluetooth Connectivity: Built-in 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0 LE for wireless communication.
• Multiple GPIO Pins: Accessible GPIO pins broken out to headers for interfacing with sensors, actuators, and peripherals.
• Low Power Consumption: Energy-efficient design suitable for battery-powered applications.
• Microcontroller: ESP32-C3 32-bit RISC-V single-core processor running up to 160 MHz.
• Memory: 400 KB SRAM and 384 KB ROM, with support for external flash.
• Operating Voltage: 3.3V logic level with 5V USB-C power input.
• Wireless Protocols: IEEE 802.11 b/g/n Wi-Fi and Bluetooth 5.0 (LE).
• Peripheral Interfaces: Multiple GPIO, ADC, SPI, I2C, UART, PWM, and other interfaces.
• Security Features: Hardware-accelerated cryptographic operations including AES, SHA, RSA, and random number generation.
• Development Support: Compatible with Arduino IDE, ESP-IDF, MicroPython, and other popular development environments.

Applications

• IoT Projects: Perfect for smart home devices, environmental monitors, and connected sensors with visual display feedback.
• Wearable Electronics: Compact size ideal for wearable tech projects requiring both connectivity and a display.
• Educational Use: Excellent teaching platform for learning embedded systems, wireless communication, and display programming.
• DIY Electronics: Suitable for custom gadgets, electronic badges, and standalone devices with user interface requirements.
• Prototyping: Rapid development of wireless-enabled projects with immediate visual output.

Why Choose the ESP32-C3 with 0.42" OLED Display? This development board offers an all-in-one solution by combining the versatile ESP32-C3 microcontroller with a built-in OLED display, eliminating the need for separate display modules. With robust wireless capabilities, modern USB-C connectivity, and a supportive development community, it's an excellent choice for anyone looking to create connected projects with visual feedback quickly and efficiently.