A simple circuit for four LEDs and a frequency converter (possibly a transistor or a spare) displays the four states of the two binary circuits. When the levels of the X and Y lines are the same, A and B will be turned off. The drive is then placed in C and D with different levels so that one of C and D will turn on.
PDU Power Socket
PDU Power Socket be with any type plug,could be selected to be with USB ports,Internet ports,Phone ports,overload protection and with or without switch.
PDU Power Socket can be set into furniture and office furniture like table,cabinet and so on.It will be easily to use the charging for Phone and home appliance.
Specifically, We have our own design and production team for USB Circuit Board design and produce
PDU Power,Us PDU Power Strip,PDU Power Outlets,United Power PDU
Dongguan baiyou electronic co.,ltd , https://www.dgbaiyou.com