Node MCU (ESP8266 /ESP-12) I2C GPIO Expander Board with RTC (Unsoldered Headers)Designed by Armtronix in India
What is it? It is an i2c 8 additional GPIO Expander shield for esp8266 NodeMCU Board. It also has an RTC (Battery not included) Why did you make it? As esp8266 has only a few gpios and no RTC, t...Read More…
It is an i2c 8 additional GPIO Expander shield for esp8266 NodeMCU Board. It also has an RTC (Battery not included)
As esp8266 has only a few gpios and no RTC, to get more gpios this shield is ideal
It is compatible with Nodemcu and our esp8266 relay board, so you can easily add this as a shield to the board to either use it like an io expander, an RTC or both. With one stackable shield you will get 8 additional gpios .
Plz note 15 pin headers X 2 wont be soldered but will be provided with the board as the soldering orientation is based on use case, also we wont provide any battery for the rtc . This board will be very useful with our Wifi four Relay board and Wifi Four SSR Board as on that board there will be limited gpios.
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India Post: for Expander
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