Inside Measurements Using Vernier Caliper

In this video, I demonstrate how to use manual vernier calipers to measure the inner space or dimensions of an object.. Significant figures is also discussed.

My Weekend Project: Sound Location Finder

Description: In this video, I create a sound location finder using two microphone sensors in conjunction with an Arduino Uno. When the sound location finder circuit detects a sound from one microphone sensor and not the other, the Arduino request a stepper motor to turn the sound detection board in the direction of the sound. …