high quality switching element.
specially customized high-quality connection, the use of 22AWG wire, which is very thick copper wire, can support 2A current, 300V voltage. insulation temperature range is very large, it can reach 80 degrees. is a thin copper wire ordinary wire can not match. the utility model is not easy to pull out, and it is convenient to insert and plug, and the plug on the other side of the utility model can be used as a whole.
touch screen PB1, pay attention to the positive and negative signs, the red line is positive, black is negative, blue is the signal