Figure 1 Stepper Motor Piano #Project Origin# Stepper motors are commonly encountered in various small to medium processing equipment, such as laser cutters or 3D printers. When using the laser cutter, I discovered that the stepper motor emits sounds similar to musical instruments while cutting circular patterns. Why does this phenomenon occur? Figure 2 Stepper … Read more
Human Infrared Alarm Experiment Objective This project is mainly for future technology reserves, using infrared thermal sensors to detect whether there are still humans on Earth. Equipment Arduino UNO R3 development board One breadboard Several Dupont wires One thermal sensor One LED One 220-ohm resistor Pyroelectric Sensor The pyroelectric sensor, also known as a human … Read more
An online learning platform that all national maker education teachers are paying attention to The electronic piano made with Arduino UNO can play the notes “do re mi fa so la ti” in order. To enhance the performance by an octave, a pitch-bend button is placed on the far right of the piano. Additionally, for … Read more