Let’s create a simple music doorbell using a button and a passive buzzer! When a guest presses…
A buzzer is a small electronic device that produces sound when powered. It is commonly used in…
A passive buzzer requires an external signal to create sound. It does not have a built-in oscillator,…
An active buzzer is a self-contained unit that generates sound when power is supplied to it. It…
Overview In this project, we’ll build a PIR motion sensor system with an ESP32. When motion is…
A PIR (Passive Infrared) sensor is an electronic device that detects motion by measuring infrared (IR) radiation…
In this project, we will build a distance measurer that can measure distances up to 4 meters…
Overview An ultrasonic sensor is an electronic device used to measure distance or detect objects by emitting…
“Hello, World!” is often the first step into programming on a PC, a simple tradition that welcomes…