Why it worked
The video effectively uses a "build with me" format, showcasing the creation of a functional electronic device from a custom PCB. The clear on-screen text and visual demonstration of the assembly process create intrigue and satisfy viewer curiosity about the final product.
Summary
The video shows the assembly of a custom PCB for an Arduino Nano with an LCD screen. Components like capacitors, resistors, and a transistor are soldered onto the board, and then the LCD and Arduino Nano are attached, culminating in a "Hello this is a test run" message displayed on the screen.