A: Welding is generally not needed now. Use "terminal press" to press the wire onto the terminal of 2.54, and then install it in the plastic case. Insert the LED lamp pin into the plastic case and bend the pin 360 degrees. There is nothing wrong with reliability, that is, it will increase a certain cost, but the efficiency will be improved at least five times.
You can search for "terminal crimping machine" and you will know that we bought Xiamen Yin Hua Electronics.