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Taidacent Weevils Eye Electronic DIY Kits Photosensitivity Eyes Kit Photosensitive LED Light Beginner Learn Electrical Fun Kit
Original price was: $46.86.$37.49Current price is: $37.49.
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Description
- 1. After soldering the weevil’s eyes, we can test the functionality of the board.
- 2. Put the 20mm coin stack face up into the battery compartment.
- 3. If it gets dark, you should see the LED light up. If not, cover the sensor with your finger to test.
- 4. If the villain’s eyes don’t light up, don’t worry! Start with some simple questions. Check your solder joints to ensure a good connection between your components and the board. The solder should flow inside the board and not bounce around the component pins. Also check to make sure the transistors and LEDs are oriented correctly.
- 1PCS weevil eye pcb 2PCS red Leds 1PCS 47K ohm resistor 1PCS micro Photocell 1PCS 2N3904 Transistor 2220 ohm resistor
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