DIY Kit Flash Light Kits 73 LEDs Red Yellow Dual Color Flashing Soldering Practice Board PCB
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DIY Kit Flash Light Kits 73 LEDs Red Yellow Dual Color Flashing Soldering Practice Board PCB

DIY Kit Flash Light Kits 73 LEDs Red Yellow Dual-Color Flashing Soldering Practice Board PCB Electronic Circuit Training Suite

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Installation Steps:
1.Install RES: 200 ohm resistor install on R2-R10 pad, 1K ohm resistor installed to R1, R2-R10 pad. 10K ohm resistor installed to R21 pad
2.Install a red LED to D1
3.Left to right, red, yellow, red, yellow in order to install LED. The LED’s anode corresponds to the square pad
4.Red-yellow-red-yellow continues to install LED
5.Installation completes all LED
6.Install adjustable resistance cap, electrolytic capacitor and DC power socket
7.Install S9013 triode to Q1-Q10 position pads
8.Install integrated circuit. Be careful pin direction
9.Solder the battery box red line on the VCC. The black line is weldered to the GND. Check the direction of the PCB capacitor

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DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $4.99 / piece
Sale Price:  US $3.89 / piece
from AliExpress
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