In an earlier post I happily announced that I ordered a microphone amplifier board. Today I’ll write about this module.
Category - Sensors
Simple microphone amplifier for Arduino
Earlier this year I started a small project to create a whistle controlled IKEA lamp. In the first prototype I used an Arduino nano and a simple microphone amplifier built from discrete...
Rangefinder mini project
In this project we’ll build a small device that measures the distance of an object in front of it and displays the result in centimeters. We are going to combine three gadgets: HC...
HC-SR04 Ultrasonic sensor (How-to & Review)
Today’s subject is a very popular sensor module for small autonomous robots. Why is it so popular? Because it is extremely cheap, easy to use and quite reliable. Let’s see how...