Dorhea ESP8266 ESP-12 NodeMcu D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board + Relay Shield + 2.54mm 40Pin Single Row Male Pin Header – 3Set

Amazon.com Price: $12.99 (as of 10/04/2023 05:49 PST- Details)

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The esp8266 module is 11 digital input / output pins, all pins with interrupt / PWM / I2C / support 1 line (except D0); 1 analog input(3.2V max input). Micro USB connection; 1MB Flash; 500mA resettable fuse.
WiFi internet development board 5V 1A switching power supply (switching power supply)onboard.

Description

Make sure this fits by entering your model number.
The esp8266 module is 11 digital input / output pins, all pins with interrupt / PWM / I2C / support 1 line (except D0); 1 analog input(3.2V max input). Micro USB connection; 1MB Flash; 500mA resettable fuse.
WiFi internet development board 5V 1A switching power supply (switching power supply)onboard.
5V relay shield is a digital switch to control much higher voltages and currents than esp8266 mini microcontroller, controlled by the D1 , the relay will switch to allow current to flow or turn off, depending on wiring.
40 pin 0.1inch (2.54mm) male pin header connector PCB board pin strip electronic component, they are easy to be cut to any length if needed, you can cut or score with some electronic tool.
The pin header is an ideal connector for the PCB board and intergrated circuit, used widely in the computer and breadboard, compatible with raspberry pi or other electronic project.

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