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1. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor with a clock speed of up to 240MHz
2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)
3. Built-in 512KB SRAM and 384KB ROM, stacked with 4MB Flash and 2MB PSRAM or 8MB Flash and 8MB PSRAM
4. Features a stamp-hole design and onboard ceramic antenna for easy integration into user-designed baseboards
5. Supports flexible clock and individual module power settings for low-power modes in various scenarios
6. Integrated USB serial port full-speed controller with 24 GPIOs for flexible peripheral configuration
7. Features 4 x SPI, 2 x I2C, 3 x UART, 2 x I2S, and 2 x ADC peripherals
8. Supports MicroPython, ESP-IDF, and Arduino
9. Compact size, using a half-hole design for easy integration with other motherboards.
10. Multiple low-power operating modes meet the power consumption requirements of Internet of Things (IoT), mobile devices, wearable electronic devices, smart home applications, etc.
11. Press and hold the BOOT (GPIO0) button before connecting the Type-C cable each time firmware is downloaded.
12. When powered by an external power source, input 3.7V~6V power at the half-hole marked with 5V.
13. Dimensions: 18x23.5mm
Specification:
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