Chapter · Wi-Fi
Sleep and locks
A station that sleeps between beacons while the access point holds its frames, and what Wi-Fi security hides and what it does not.
- 10A station that sleeps4 minA sleeping station wakes for some beacons while its access point holds its frames. The ESP32 wakes for every DTIM beacon by default, and sleeping longer saves power at the cost of delay and missed broadcasts.
- 11Wi-Fi security in layers5 minEveryone in range receives your frames, so security decides what they can read. WPA2 and WPA3 lock the payload but never the addresses, the password is never sent, and a weak password stays weak.
Start at 10 and read down — the order is the order things get easier in. Or take the one with your part in it; every article stands on its own, and links back to whatever it needs.