Specification: Origin: Mainland China Type: Module Condition: New Power converter, 5V to 3.3V Input 5V Output 3.3V 5V power indicator light, this light turns on when the development board is connected to USB power supply. reset button reset button Boot key download button, press and hold the Boot key while pressing the Reset key to enter the "firmware download" mode and download the firmware through the serial port. wireless network: Supports IEEE 802.11 b/g/n protocols. Supports 20 MHz bandwidth in the 2.4 GHz band. Bluetooth-compatible low energy subsystem, supports BT 5 CPU and storage 32-bit RISC-V single-core processor up to 120 MHz Built-in 272 KB SRAM (16 KB dedicated to cache) 576 KB ROM storage Frequency 2.4G~2.5G (2412M~2484M) Transmitting power: 802.11b: +20.5dBm 802.11g: +19dBm 802.11n: +18dBm Receive sensitivity: 802.11b: -90 dBm (11Mbps) 802.11g: -77dBm (54Mbps) 802.11n: -74 dBm (MCS7) The assessed value: -25dB at 802.11b, 11Mbps at 21dBm 27dB at -802.11n, 54Mbps at 19dBm -29dB 802.11n, HT20, MCS7 18.5dBm Antenna PCB antenna: BLE RF power control range -27~20dBm hardware: CPU 32-bit RISC CPU UART/SDIO/SPI/I2C/GPIO/PWM interface Working voltage 3.0V-3.6V Working temperature -40°C-105°C Ambient temperature -40℃-105℃ software Wi-Fi working mode STA, Soft AP and Sniffer mode Safe mode WPS/WEP/WPA/WPA2/WPA3 Update Firmware UART Download Software development SDK Network protocol IPv4, TCP/UDP/HTTP/FTP/MQT Advanced peripheral interfaces and sensors 13 GPI0 ports Digital interface. 3xSPl 2xserial port 1xI2C master LED PWM controller, up to 6 channels General DMA controller (GDMA for short), 1 receive channel and 1 transmit channel application: Serial port transparent transmission; Wi-Fi detector; Smart power plug/smart LED; mesh network; Sensor Networks; OTT devices; wireless positioning system beacon Product size: 49.00x26.00x5.00mm/1.93x1.02x0.2inch product description ESPC2-12 is an extremely low-power SoC based on Espressif ESP8684 design, equipped with RISC V32-bit single-core processor, and supports IEEE802.11b/g/n (2.4 GHz WiFi) and Bluetooth-compatible 5 (BLE) modules. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x development board 1. Powerful ESP8684 Chip: The ESPC2-12 development board features the ESP8684 chip, a versatile dual-mode module for WiFi and low-power Bluetooth-compatible. With its powerful functionality, it offers a wide range of applications. 2. Built-in and External Antenna Options: The development board is equipped with both a built-in antenna and an external antenna, providing flexibility and options for optimal signal reception. Additionally, it comes with a 4MB SPI FLASH for storage. 3. Convenient Pin Header Connector: The development board features a pin header connector, allowing easy and convenient connection of all available GPIO pins to the development board. 4. Versatile Type-C USB Interface: With a mainstream Type-C USB interface, the development board can serve as a power source for the development board or as a communication interface between a PC and the ESP8684 chip. 5. High-Speed USB to UART Bridge: The development board includes a USB to UART bridge adapter, offering a high data transfer rate of up to 3 Mbps. The ESPC2-12 is designed based on the ESP8684, a low-power SoC with a 32-bit RISC-V single-core processor, supporting IEEE 802.11b/g/n (2.4 GHz WiFi) and BT 5 (BLE) modules.