Press the switch once, and then press the switch. The first street light is on with the second street light. Press the third, second, third, and third street lights, and then press the fourth, second, third, and third street lights.
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Press the switch once, and then press the switch. The first street light is on with the second street light. Press the third, second, third, and third street lights, and then press the fourth, second, third, and third street lights.
+1Votes
[1] can be implemented using a transfer switch (more simple and practical).
[2] The button switch is not competent (no button computer switch you said).
[3] can be implemented using the programmer design software (too expensive).
+6Votes
This switch does not have
+7Votes
There is no such switch yet. If you design a control board for this function, you can meet this need.
+2Votes
The switch has not been seen, but it can be realized with a single chip or a PLC.
+3Votes
This can only be found by an electrician to make it to you
+8Votes
You said that this kind of off-light is used on some special-purpose appliances. The computer is a commonly used electrical appliance. Its switch only needs to be safe, stable, convenient and reliable, and the quality is reliable. Under normal circumstances, it is not necessary to design such a switch.
+1Votes
This is really not
+2Votes
This is black technology not heard of
+8Votes
Brother, I really don’t have this I have encountered it.
+6Votes
As far as I know, there is no time, thank you