Using the Firebeetle ESP32-E as battery powered sensor (SKU:DFR0654-F)

All about the MicroWakeupper Library (and BatteryShield for the Wemos D1 Mini)

ESP8266 PIR monitor with deep sleep and RTC memory store

ESP32 temperature measurement with ULP

Small portable ESP32-based motion detector - Informs you if your pet or a burglar is at the back door and wants in.

Make a manual switch to control the Sonoff Basic R2!

Minimal ESP32 ULP Blink example

Battery-friendly Pocket Mode At Kernel Level

ISR-based projects demonstrate how to use ESP8266TimerInterrupt, ESP32TimerInterrupt and TimerInterrupt Library

blinking ESP32 led while core and ULP are asleep most of the time

🌉 Better sleeping times powered by React.

Analyze SleepEDF dataset using DeepSleepNet

Wemos D1 mini based temperatures\humidity battery powered sensor

A low-power sensor unit, designed to monitor the temperature inside of tree holes over a long period of time

This is a project to transmit data by MQTT with low power by connecting the fine dust sensor and 18650 battery to the wemos d1 mini board!

Alternativer Displaytreiber für waveshare-Boards mit dem ESP32

ESP32/8266 Arduino/PlatformIO library that painlessly enables incredibly fast re-connect to the previous wireless network after deep sleep.

Distributed MQTT multi-slot parking system with ESP8266 and ESP32

ESP32 ULP talking to main core

ESP8266+Wemos D1 mini+LoRa(SX1276)+DeepSleep