There is some summary after more than 1000 pcs pixel led strip project

第一要点，电和信号分离

firstly , the power wire and signal wire need to be  separated!

第二要点：单线接DAT，断点续传BI和 GND 拧一起接GND

secondly, for  one dual signl pixel led strip , there is two data wire ,

the second data wire (BI) need to be  screwed together with GND wire  to connect to GND port of led controller !

第三要点：DMX512需要先写码，再编程，接线比较复杂

DMX512差分信号接线：A/B/ADD/GND

thirdly : DMX512  lighting needs to set addresses before  program, the wiring is more complicated

DMX512 signal wiring: A/B/ADD/GND as follow

第四个要点：补电

（5V灯带压降到3.2V 就不正常了，所以距离短，按照60灯一米的标准来，也就3米左右白光开始变黄了，也就是需要5米前后补电；

而12V 我们用的板子铜箔比较厚，6米左右才会出现色黄，我们建议0-6米一头供电，6-10米2头供电；24V 降到9.6V 会出现色差，

我们测试过10米一共供电无色差，也就可以在0/20米两处供电即可），另外一个变压器有3组V+/V-，需要拧成一根输出才是全功率的。

还有一个误区，一个变压器可以带20-25米，不是一头供电25米，而是要分散来补电，因此会用到很多补电线，

所以综合考虑是用小功率一点的电源划算还是用大功率+电线划算，自行考虑。

fourth：How to power up the led strip 

It is not normal for the voltage of the 5V light strip to drop to 3.2V, so the distance is short. According to the standard of 60 lights per meter,

the white light starts to turn yellow at about 3 meters, that is, it needs to be charged before and after 5 meters;

For 12V, the copper foil of the board we use is relatively thick, and the color yellow will appear at about 6 meters. We recommend that 0-6 meters are powered by one end, and 6-10 meters are powered by two ends; 24V will be reduced to 9.6V, and there will be color difference.

We have tested a total of 10 meters of power supply without color difference, so we can supply power at 0/20 meters), and the other transformer has 3 sets of V+/V-, which needs to be twisted into a single output to obtain full power.

There is also a misunderstanding, a transformer can carry 20-25 meters, not 25 meters for one end, but to be scattered to supplement the power, so a lot of supplementary wires will be used,

So comprehensively consider whether it is cost-effective to use a low-power power supply or a high-power + wire cost-effective, and consider it yourself.

第五个要点：补电线和网线

The fifth : how to use power wires and network cables

网线选择对了，干扰就少了

If the network cable is selected correctly, there will be less interference.

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第6个要点：信号放大器（这是串联过程中延长线距离太长的）

sixth : signal amplifier used when there  is the extension line distance is too long during the series connection,

we advice the distance from 1th lighting to led controller within5meter please .

还有并联处理信号干扰的，这样能无限的扩展信号的同步性

There are also parallel processing of signal interference, which can infinitely expand the synchronization of the signal

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