perbaiki-senter-led

2 года назад

This video shows how to fix a flashlight that won't turn on. The creator diagnoses the problem as a faulty battery and demonstrates how to replace it with a used power bank battery. They then show how to connect the new battery and test the flashlight to ensure it is working properly.

7 лет назад

This video demonstrates how to build a mini torch using an LED, battery, and a switch. The creator explains the concept of a complete circuit and the importance of connecting the LED's positive leg to the positive terminal of the battery. The video also shows how to assemble the torch and how the light from the LED is focused using a lens.

1 год назад

This video demonstrates how to disassemble and repair a Mini Sweed flashlight. The video focuses on a specific repair involving a broken cable and battery. The presenter uses a screwdriver and soldering tools to fix the issue, providing a step-by-step guide for viewers to follow.