Note: This is the Elecrow ESP32-C3 Mini Development Board — a compact, ultra-low-power IoT development board based on the ESP32-C3 RISC-V SoC with Wi-Fi and Bluetooth support. Perfect for space-constrained IoT projects, smart home devices, sensors, wearables, and low-power wireless applications. The ESP32-C3 Mini Development Board features a powerful RISC-V single-core processor, built-in 4MB Flash, and rich I/O in an ultra-small form factor. With excellent wireless connectivity and low power consumption, it is an ideal choice for battery-powered IoT nodes, data loggers, and wireless control projects. KEY FEATURES ESP32-C3 RISC-V Processor: 32-bit single-core RISC-V processor running up to 160 MHz with ultra-low power consumption. Wireless Connectivity: 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5.0 (BLE) with onboard ceramic antenna. Compact Size: Extremely small 25.2 × 21.6 mm footprint — easy to integrate into any project. Rich Interfaces: 11 GPIO pins (with PWM support), 5 ADC channels, 2 UART, I2C, SPI, and more. Easy Development: USB-C interface for programming and power. Supports Arduino IDE, ESP-IDF, and MicroPython. Low Power Modes: Deep-sleep current as low as 5µA — perfect for long-term battery-powered applications. SPECIFICATIONS Product Name ESP32-C3 Mini Development Board Main Control IC ESP32-C3 (RISC-V 32-bit single-core, up to 160 MHz) Flash 4 MB SRAM 400 KB Wireless Wi-Fi 802.11 b/g/n (2.4 GHz) + Bluetooth 5.0 + BLE Antenna Onboard ceramic antenna GPIO 11 GPIO pins (PWM supported) Interfaces 2× UART, I2C, SPI, ADC (5 channels) Power Supply 5V via USB-C Dimensions 25.2 × 21.6 mm Operating Temperature -40°C to +85°C Compatibility Arduino IDE, ESP-IDF, MicroPython, PlatformIO WHAT'S INCLUDED 1 × ESP32-C3 Mini Development Board NOTES Ultra-compact size makes it perfect for wearable devices, IoT sensors, and embedded projects. Excellent low-power performance for battery-operated applications. USB-C interface supports both power and programming. Wiki & External links ESP32-C3 Datasheet Schematic Diagram