LED driving power indicators for lighting

LED drive power is a voltage converter that converts the power supply to a specific voltage and current to drive the LED to emit light. Generally, the input of the LED drive power includes high-voltage power frequency AC, low-voltage DC, high-voltage DC, low-voltage hi

What is the ideal car gearbox AT, CVT or DCT

Automobile gearboxes are currently commonly used with ordinary AT (automatic gearbox) and CVT (stepless gearbox), and with the development of automotive technology, the third type of automatic gearbox has been revealed, and now has appeared The momentum of rapid rise,