ESP-12E WiFi Module - Ai-Thinker
E.g. in DTIM3, to maintain a sleep 300mswake 3ms cycle to receive AP’s Beacon packages, the current is about 15mA. During Light-Sleep, the CPU may be suspended in applications like Wi-Fi switch. Without data transmission, the Wi-Fi Modem circuit can be turned off and CPU suspended to save power according to the 802.11 standard (U-APSD).
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