The pads on both sides of the Bluetooth module in the picture should be called half-hole process. I contacted three board factories that I often use. Two in Wenzhou replied that they could not do this
BMW demonstrated such an automotive application at CES 2022. The car, called iX Flow, uses electrophoretic technology from E Ink to change its exterior color almost instantly. It is understood that t
This is a 12V 1A/2A constant current source. Through analysis, it is found that the circuit works in a switching state, and the circuit ripple in this state is large. It is not ideal for measurement l
Following Apple's launch of a 145 yuan cleaning cloth , Tesla today announced the launch of a truck-shaped whistle: the price is $50, about RMB 318, and it is sold in limited quantities. According to