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It is a superior tool and an ideal tool for laboratories
Simplifies logic control of 115/240 VAC power
They’re also a very common form of momentary switches
It can automatically track the objective’s temperature from -20℃~400℃
ESP8266 Web Server Serial WiFi Shield Board Module ESP-13 For UNO R3 Elitech It is a superior toolESP8266 Web Server Serial WiFi Shield Board Module ESP 13 For UNO R3 Characteristic: WiFi Using industrial grade chips ESP8266 Module for ESP 13 With metal shield, strong anti interference ability; Real serial port WiFi,Program is not required for any configuration; be based on Server Web to configure WiFi Parameters and serial port parameters; Standard pin compatible Uno ,Mega2560 Main control panel,and UNO Connection using the voltage conversion