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Tag Archive for: 'piezo'
INA226 Overvoltage Warning Light & Sound Using Arduino

 In this tutorial we will learn how to make a overvoltage warning using the INA226 module, LED and a Piezo buzzer module. If the Voltage is below the 6V the Green LED will glow, if the Voltage is above the 6V the Red LED will glow and the piezo buzzer will beep. Voltage can …

Arduino Mosquito Repellent

In this tutorial we will learn how to make a simple mosquito repellent using arduino and a piezo buzzer. The buzzer will emit the silent (to human ear) frequency of 31kHz, this frequency is known to repell the mosquitoes and you can adjust the frequency to your needs as well. Watch the video! Step 1: …

Rain Detector Using Arduino and Raindrop Sensor

In this tutorial we will learn how to detect a rain using a rain sensor and make a sound using a buzzer module and OLED Display and Visuino. Watch the video. Step 1: What You Will Need Arduino UNO (or any other Arduino) Rain sensor module Jumper wires Breadboard OLED Display Piezo buzzer Visuino program: Download …