The ESP32-C3-DevKitM-01 is an entry-level development board equipped with the ESP32-C3-MINI-01, a powerful, generic Wi-Fi + Bluetooth® LE MCU module that features a rich set of peripherals, yet an optimized size. It's an ideal choice for a wide variety of application scenarios related to the Internet of Things (IoT), such as embedded systems, smart homes, wearable electronics, etc. ESP32-C3-DevKitC-02 comes with a PCB antenna. This version is equipped with the ESP32-C3-MINI-1 with 4MB SPI Flash and no PSRAM.