Search found 3 matches

by karelchik
Thu Dec 08, 2022 12:56 pm
Forum: Hardware
Topic: low power I2C
Replies: 0
Views: 884

low power I2C

Hi, I would like to hear your advice on making I2C usage low power. From what I understand, the CPU is switching between idle and active while using I2C (correct me if I'm wrong), that in turn consumes a decent amount of power (in order of 20-30 mA depending on the module). As far as I'm concerned, ...
by karelchik
Thu Dec 08, 2022 12:45 pm
Forum: ESP-IDF
Topic: BLE5.0 sw support
Replies: 1
Views: 1265

BLE5.0 sw support

Hi, Please help me clarify some things about BLE5.0 sw support. 1) As I understand, using BLE5.0 needs having it supported by both sw and hw. Newer ESP modules have BLE5.0 compatible hw according to the datasheets. But from where does the sw support originate from? Which components in ESP-IDF are re...
by karelchik
Sun Mar 28, 2021 4:13 pm
Forum: ESP32 Arduino
Topic: BLE + light sleep, any tips appreciated
Replies: 1
Views: 3752

BLE + light sleep, any tips appreciated

Hi guys! We are new to ESP32. Our aim is to develop a system of one central device and multiple peripheral devices, each p. device making measurements with sensors and sending those values to the central device (about once per second). Since peripheral devices are running on batteries, their current...