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ESP8266-NodeMCU-Expansion Board 1

Overview

The physical picture of the expansion board suitable for ESP8266 NodeMcu development board

is as follows:

leading out I2C interface, buzzer, RST reset button, Type-C 5v input power supply, two 8050 control circuits, high-level channel output 5V, 3.3V, two IO Button, the pin is in low level state when pressed.

Design Files

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Update:2025-05-23 11:16:42

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