NodeMCU Peizo Buzzer on Arduino IDE Sriparna's blog on Internet of Things

Buy Module with active buzzer with generator - Botland - Robotic Shop

ESP8266 Thing Development Board Hookup Guide - SparkFun Learn

Overview, Using Piezo Buzzers with WipperSnapper

Beginning Internet of Things Projects using Arduino, NodeMCU ESP8266, by Pensopha Kamolnawin, patcyber

Beginning Internet of Things Projects using Arduino, NodeMCU ESP8266, by Pensopha Kamolnawin, patcyber

Example 05: Piezo Buzzer (Sound)

Door Sensor with Piezo Buzzer - Arduino Tutorial

Buzzer Interfacing with Nodemcu or Arduino

NodeMCU Lesson 10– Remote Control an Active Buzzer «

please help me to add some buzzer to my coding using nodemcu esp8266 - Programming Questions - Arduino Forum