5050LEDLamp beads
LED Beads
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1. It is caused by abnormal power supply:
01. Check whether the power supply works normally and whether the indicator light is on. If it is not on, check whether the power supply is connected properly;
02. Check whether the power cord of the lamp bead is well connected with the positive and negative poles of the power supply, and whether there is reverse phase. If the above problems exist, please connect them correctly.
2. Voltage requirements of LED lamp beads:
In fact, LED beads with nominal 3V have different requirements for current in different colors. Yellow requires the minimum current, which is red, green, white and blue in order. Excessive current will scorch the wick. Using a 2.4V rechargeable battery, * * is easy to burn, because even if the voltage is small, but the current is too large, it will still burn at will.
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