This video explains how to use old power adapters to power devices, even if they don't have the same connector. The speaker emphasizes the importance of matching voltage, amperage, and polarity, and provides tips for identifying these specifications. They also share a personal anecdote about finding a rare 27-volt adapter in their collection.
273489 2 года назад 5:59The video tests a 12-volt power supply purchased from Amazon. The creator puts the power supply through a series of tests, increasing the load to see how much current it can handle. They also investigate the AC ripple in the DC output and discuss the potential for using the power supply to light LEDs.
44178 4 года назад 12:37