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From the beginning of the product design, the led light bar has no heat sink, so the lamp beads will not be very dense, so the heat will not be very large, so b...
LED light source has the advantages of using low-voltage power supply, low energy consumption, strong applicability, high stability, short response time, no pol...
Under normal circumstances, smart devices need to rely on Bluetooth or WiFi networks for communication. The problem is that WiFi networks are not always availab...