Ultra Low Power (ULP) Infrequent Bluetooth (BLE) Connection

c2mw4_geg
Posts: 3
Joined: Tue May 28, 2019 4:45 pm

Ultra Low Power (ULP) Infrequent Bluetooth (BLE) Connection

Postby c2mw4_geg » Tue May 28, 2019 5:14 pm

My project requires Ultra Low Power (ULP) while waiting for Infrequent Bluetooth (BLE) Connections. ESP32 was selected based on attractive Deep Sleep ULP specs, Bluetooth / WiFi capability, and overall cost & feature set. The ESP32 TRM v4.0 pg. 636 says that Deep-Sleep is "Recommended for ULP Infrequently-connected WiFi/Bluetooth Applications".

Is there code available to support Deep Sleep while BLE Advertising & waiting for connection? Haven't found it so far... any pointers appreciated! Cheers, /george

wevets
Posts: 56
Joined: Sat Mar 09, 2019 2:56 am

Re: Ultra Low Power (ULP) Infrequent Bluetooth (BLE) Connection

Postby wevets » Fri Aug 16, 2019 5:50 am

Did you ever get an answer to your question or figure out how to do it? I'm coming up against a similar requirement. In my case, read a load sensor and when a threshold is exceeded, wake up and report.

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