4-Bit Digital Output WIFI Module

Its ESP8266 WIFI module, The ESP8266 Wi-Fi module is a SOC microprocessor that is primarily used to create end-point Internet of Things (IoT) applications. A standalone wireless transceiver, with a very low cost, is what it is known as. It allows many embedded system applications to connect to the internet. It has an LED to indicate the power of the board, It has two push buttons, It has four IC EL817 its used in programmable controller and system appliances. It has four pins for o/p Its input voltage is 12V.

Features:

• Its input voltage is 12V
• It has total 9 Pins
• Four pin for the output and the other is for TX, RX, GND, GND and 12V.

Specification 

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