Consumers' demand for cars has changed, and new functions have emerged as the times require. Automobiles have been developed for more than 150 years since the invention of the internal combustion engine in the 1860s. Since 2010, consumption upgrades have…

PCB is an important support for electronic components. PCB (printed circuit board) is an important electronic component, a support for electronic components, and a carrier for electrical connections of electronic components. The PCBA is made after the empty PCB board…