semiconductor power supplies design

Wireless projector​

E-book readers​

Single-lens reflex cameras​

Electric razors​

To supply power to outdoor camping lights to illuminate the area where items can be accessed inside the camping tent

To supply power to small weather station equipment to monitor the temperature, humidity, etc. of the weather at the camping site

To provide power for portable shoe cleaning machines (mini models) to clean dirty camping shoes

To supply power to health preservation pots (mini models) to stew health preservation soups or silver ear jelly