Search found 3 matches

by c2mw4_geg
Fri May 31, 2019 2:21 pm
Forum: ESP32 IDF
Topic: High current consumption of Bluetooth BLE and long time initialisation
Replies: 3
Views: 845

Re: High current consumption of Bluetooth BLE and long time initialisation

The strategy as envisioned would achieve few 100's microAmp average current consumption while waiting for a BLE connection not require changing the existing BLE stack not expose BLE radio or packet-level operating details to possible bad-guys avoid the issue of keeping the 100kB+ size BLE code in me...
by c2mw4_geg
Tue May 28, 2019 5:24 pm
Forum: ESP32 IDF
Topic: High current consumption of Bluetooth BLE and long time initialisation
Replies: 3
Views: 845

Re: High current consumption of Bluetooth BLE and long time initialisation

My project also has the same challenge of Ultra Low Power BLE Advertising. It seems to me the challenge is twofold: (1) long time to initialize the heavy comprehensive system of ESP-IDF / Bluetooth as noted by the OP and (2) only Modem Sleep but not Deep Sleep is used. I think I see an implementatio...
by c2mw4_geg
Tue May 28, 2019 5:14 pm
Forum: ESP IoT Solution
Topic: Ultra Low Power (ULP) Infrequent Bluetooth (BLE) Connection
Replies: 1
Views: 914

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

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 Infreq...

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