Media Manager Namespaces Choose namespace [root] 2.4g ai-wb1 ai-wb2 ai_ide_install ai_ide_use aicloud b_and_t ble en esp32 esp32-a1s esp8266 esp_download gprs gps lora mt nb-iot onenet open_hard pasted playground rtl8710 rtl8720 si4432 tools ttcloud undefined uwb voice wiki Media Files Media Files Upload Search Files in playground Thumbnails Rows Name Date Apply 官网_开发资料1100x300.png 1100×300 2021/07/17 03:47 314.3 KB File View esp8266:boards:nodemcu-8266_v1.2_ch340串口芯片_开发板原理图.pdf Date:2021/05/20 04:37 Filename:nodemcu-8266_v1.2_ch340串口芯片_开发板原理图.pdf Size:284KB References for:NodeMCU-ESP8266 开发板(CH340)