ESP32C3 PRO MINI is an IoT mini development board based on the ESP32C3 WiFi/Bluetooth dualmode chip. It combines a compact, singlesided design with a ceramic antenna and dedicated antenna mount to enhance wireless signal strength. Key features Wireless connectivity: IEEE 802.11 b/g WiFi and Bluetooth 5 (LE) support for dualmode wireless communication. Processor and performance: 32bit RISCV CPU with an FPU capable of 32bit singleprecision operations, delivering solid computing power for IoT applications. Antenna design: ceramic antenna with a mount to improve signal strength in wireless applications. I/O and interfaces: 11 digital I/Os that can be used as PWM pins, and 4 analog I/Os that can be used as ADC pins. Serial interfaces: supports multiple serial interfaces including UART and SPI. Onboard controls: small reset button and a bootloader mode button for easy firmware updates. Physical design: small, exquisite appearance with a singlesided mount design for easy integration into compact enclosures. What it solves Reliable wireless connectivity with a compact form factor enables easy integration of IoT features into small devices. A versatile set of I/Os and standard communication interfaces simplify sensor and peripheral integration. Builtin bootloader access and reset control streamline firmware development and maintenance. Compatibility and suitability Compatible with ESP32C3 based firmware and development workflows, supporting WiFi and Bluetooth LE applications. Suitable for projects requiring mixed digital and analog sensing, UART/SPI peripherals, and wireless communication in a compact package. Use scenarios Smart home environmental monitor: connect sensors to the digital and analog I/Os, process data locally, and transmit readings to a cloud service or mobile device via WiFi or Bluetooth. Wireless data logger for industrial sensors: interface with UART or SPI sensors, collect and store data, and periodically upload logs over WiFi to a central server. Portable dualmode IoT controller: implement remote control, asset tracking, or sensor networks in a compact form factor that fits small enclosures and needs reliable wireless connectivity.