Boasts a high-performance Xtensa 32-bit LX7 dual-core processor with a maximum main frequency of 240MHz, paired with 512KB SRAM, 384KB ROM, onboard 16MB Flash and 8MB PSRAM for robust operational performance. ^^ Integrates 2.4GH z Wi-Fi ( 802.11 b/g/n) and Bluetooth 5 (LE) with an onboard antenna, along with rich onboard interfaces including I2C, TF card slot, digital isolated IO and more for versatile connectivity. ^^ Features an onboard 4.3 -inch capacitive touch display with 800480 resolution and 65K colors, supporting 5-point I2C capacitive touch with interrupt function for intuitive operation.
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Comes with professional audio components: onboard ES8311 audio codec chip and ES7210 echo cancellation circuit, delivering clear and high-quality audio performance. ^^
Offers comprehensive practical designs: 7~36V wide voltage power supply, RTC chip with battery holder for power-off time retention, optocoupler-isolated digital I/O, and low-power consumption control for diverse application scenarios.