Specification: Origin: Mainland China ESP32-C3-Zero Product Features 1. Low-power SoC equipped with RISC-V 32-bit single-core processor, with a main frequency of up to 160MHz 2.Support 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth-compatible 5 (LE) 3. Built-in 400 KB SRAM and 384 KB ROM, stacked with 4 MB Flash 4. Adopt stamp hole design and on-board ceramic antenna, which can be easily integrated into the base plate designed by the user. 5. Support flexible clock, independent module power settings and other controls to achieve multi-scenario low power consumption mode 6. Integrated USB serial port full-speed controller, leading to 15 GP1Os to flexibly configure peripheral functions 7. With 3xSPI, 1xI2C, 2xUART, 1xI2S, 2xADC and other peripherals 8. Support C/C++, MicroPython Size: 24.00x18.00x5.00mm/0.94x0.71x0.2inch ESP32-S3-Zero Product Features 1. Equipped with high-performance for Xtensa 32-bit LX7 dual-core processor with a main frequency of up to 240MHz 2.Support 2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth-compatible 5 (LE) 3. Built-in 512 KB SRAM and 384 KB ROM, stacked with 4 MB Flash and 2 MB PSRAM 4. Adopt stamp hole design and on-board ceramic antenna, which can be easily integrated into the base plate designed by the user. 5. Support flexible clock, independent module power settings and other controls to achieve multi-scenario low power consumption mode 6. Integrated USB serial port full-speed controller, leading to 34 GPIOs to flexibly configure peripheral functions 7. With 4xSPI, 2xI2C, 3xUART, 2xI2S, 2xADC and other peripherals 8. Support C/C++, MicroPython Size: 24.00x18.00x5.00mm/0.94x0.71x0.2inch Material: mixed material 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 ESP32-C3-Zero Mini Development Board  / 1 x ESP32-S3-Zero Mini Development Board _x005f_x000D_ 1.Portability: The mini development board features a small and compact design, allowing for easy storage and integration into various application scenarios. It is particularly suitable for projects with limited space requirements. 2.Powerful Performance: Equipped with the high-performance ESP32-C3 chip, the mini development board module can meet the demands of diverse IoT (Internet of Things) and smart device applications. It ensures reliable and efficient operation. 3.Rich Interfaces: This development board offers a wide range of commonly used interfaces, such as GPIO, UART, SPI, I2C, etc. This makes it convenient to connect peripheral devices and sensors, allowing for expansion and interaction to achieve different functionalities. 4.Low Power Consumption Design: The ESP32-C3 mini development board incorporates a low-power design, resulting in lower interrupt and operating power consumption. It extends battery life, making it suitable for low-power applications that require long-term operation. 5.Affordable Price: Compared to other development boards, the ESP32-C3 development board is relatively affordable, offering a cost-effective option. It is suitable for beginners, students, and individual developers for learning, experimentation, and project development.