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| 3MM infrared LED can emit infrared light (not visible to the naked eye), the size is (8x24MM)\\ | 3MM infrared LED can emit infrared light (not visible to the naked eye), the size is (8x24MM)\\ | ||
| Its two ends are cross grooves, which can pass through the cross axis for fixing.\\ | Its two ends are cross grooves, which can pass through the cross axis for fixing.\\ | ||
| - | One end with a white mark is connected to the negative pole (-) of the power supply, and the other end is connected to the positive pole (+) of the power supply.\\ | + | One end with a white mark is connected to the negative pole (-) of the power supply, and another |
| **Note:** \\ | **Note:** \\ | ||
| 1. When using LEDs, the best one is [[: | 1. When using LEDs, the best one is [[: | ||
e007_en.1623218522.txt.gz · 最后更改: 2022/04/23 17:19 (外部编辑)
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