01 What this can become
A USB gadget or a controller that only needs the LAN.
Drop BLE when the phone will never provision over it.
CPU / main boards
Wi-Fi only, with native USB. For accessories that skip Bluetooth.
A USB gadget or a controller that only needs the LAN.
Drop BLE when the phone will never provision over it.
Pick S2 when you want Wi-Fi and USB and you truly do not want Bluetooth. For phone-side setup, use S3 or C3.
中文
主控 / CPU
只有 Wi-Fi,带原生 USB。适合不做蓝牙的配件。
USB 小工具、只上网的控制器。
明确不需要手机 BLE 配网时,可以少一截射频。
产品只要 Wi-Fi 和 USB、刻意不要蓝牙时选 S2。需要手机近场,换 S3 或 C3。