Battery Powered ESP8266 IoT - Temperature Sensor - Home Circuits
Wifi Switch Board or Smart Plug With Esp8266, Attiny 85 & PIR Sensor With Android App : 5 Steps (with Pictures) - Instructables
ATtiny85 and ESP8266 - do you really need that? - The Tinusaur Project
I have just made a prototype of ESP8266 (ESP-01) IoT temperature & humidity SI7021 sensor and also 2x three pin soil moisture sensors wi… | Iot, Arduino, Sensor
Battery Powered ESP8266 IoT - Door Sensor - Home Circuits