Mikrokontroler ESP32-C3 Super Mini OLED 0.42 USB-C Moduł WiFi BT do Arduino

ESP32-C3 Super Mini OLED 0.42 Prototype Board

A compact development board based on the modern ESP32C3FH4 chip (32-bit RISC-V architecture), equipped with an integrated 0.42-inch OLED display. The board combines high performance, support for Wi-Fi and Bluetooth 5.0 LE wireless communication, and exceptionally low power consumption. It is an excellent choice for projects in the fields of the Internet of Things (IoT), automation, and wearable electronics, and is compatible with both ESP32 and Arduino.

Key Technical Features

• Microcontroller: ESP32-C3 32-bit RISC-V clocked at 160 MHz
• Memory: 400 KB SRAM, 384 KB ROM, 4 MB FLASH
• Display: integrated 0.42-inch OLED screen (72x40px)
• Wireless communication: Wi-Fi IEEE 802.11b/g/n (2.4 GHz) and Bluetooth 5.0 (LE)
• Interfaces and Pins: 1x I2C, 1x SPI, 2x UART, 11x GPIO (with PWM support), 4x ADC
• Security: hardware encryption accelerator
• Power consumption: very low (deep sleep mode – 43 µA)
• Dimensions: 24.85 mm x 20.65 mm

Example Applications

• Miniature weather stations with local data display on an OLED screen
• Compact environmental sensors in smart home systems
• Wearables and activity trackers
• Wireless relay and lighting controllers
• Educational projects and rapid prototyping of IoT devices
• Diagnostic tools with real-time parameter display

Benefits

• Ultra-compact dimensions that facilitate integration into projects with very limited space
• Built-in OLED screen allowing for immediate data visualization without the need to connect additional modules
• Energy efficiency enabling long-term operation on battery power
• Broad programming compatibility with environments such as Arduino IDE, PlatformIO, ESP-IDF, and NodeMCU
• Extensive range of interfaces allowing for the connection of multiple sensors and peripheral devices

Compatibility and Software

The module is extremely versatile and easy to adapt thanks to a vast library of available resources. It can be programmed in popular development environments running on Windows, macOS, and Linux. The board is compatible with popular microcontroller platforms:

• from ESP32
• Arduino

FlashESP sample code

Ready-to-use code that can be installed on the board directly from your browser:

https://flashesp.com/explore/Do4DrIs0xXv5YDQSOh7vi

Included in the kit

• ESP32-C3 Super Mini board
• 2x8 gold pins