A whole series of interesting and seemingly well-designed and -made power supply modules have come out of Rui Deng (Hangzhou Ruideng Technologies) of China over the last year or two. If you read Help ...

We can often find useful or interesting things in old items. Some items can become invaluable under the right circumstances! In this post, I am talking about an older adjustable step-up dc power ...

H-bridge buck-boost ICs are widely used in applications requiring a constant voltage or current source even when the system battery drops to lower voltages. They make sense when a single-stage ...