Battery-Powered ESP8266 Sensor? Never Been Simpler

Product Description

Say, you're starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that wakes up

Using AA Batteries to power D1 Mini WEMOS Board - Microcontrollers - Arduino Forum

I'm trying to power a LoRa ESP32 board (SX1276) for a letterbox sensor. The board is in deep sleep until triggered by a pin change (door sensor), sends LoRa message, then returns

Battery-powered ESP32 IoT room thermometer with OLED display - Machina Speculatrix

Battery Powered ESP8266 IoT - Temperature Sensor - Home Circuits

NodeMCU ESP8266 Project

Building a Homekit enabled weather station using Homebridge and an ESP8266, by Christian Kellner

DIY WiFi mailbox sensor with ~12 years of battery, featuring ESP-NOW for subsecond transmission rates and MQTT. More info in comments : r/homeassistant

Battery Powered ESP8266 IoT - Temperature Sensor - Home Circuits

Battery Powered ESP-01 Temperature Sensor - Technology Spy

ESP32 room thermometer: with 18650 battery level indicator - Machina Speculatrix

Power ESP32/ESP8266 with Solar Panels and Battery

Battery-Powered ESP8266 Sensor? Never Been Simpler

Battery Powered ESP8266 WiFi Temperature and Humidity Logger

Battery Powered ESP8266 WiFi Temperature and Humidity Logger

Battery Powered ESP8266 IoT - Door Sensor - Home Circuits