ESP-01S DS18B20 Temperature Sensor W1209 This lithium ion battery with

This lithium ion battery with capacities of 500mAh and 700mAh

"90" (~2ms pulse) is all the way to the right

but they also have one of the largest ranges available on the market

Small passive buzzer module KY-006

ESP-01S DS18B20 Temperature Sensor W1209 This lithium ion battery withThis ESP 01 ESP 01S DS18B20 Temperature module based on the ESP8266 and digital temperature module DS18B20. It is good for measurement of temperature and uploaded to the server as a node. It supports 3. 7 to 12VDC power, so you can power it by a lipo battery and put it anywhere you need to measure the temperature. It is really useful in your smart home and IOT project. Details: Master: ESP 01 ESP 01S (this module does not include ESP 01 ESP 01S)