10 x LSD-73 Electronic LED Flashing Lights DIY Kits Soldering Practice Board PCB

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10 x LSD-73 Electronic LED Flashing Lights DIY Kits Soldering Practice Board PCB
Product Description
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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1.All payments must be prepaid.
Shipping Policy
1. We are not responsible for undeliverable address, we reserve the right to charge the shipping fee again for returned items due to wrong address.
2. We will ship out your package by China post as soon as possible, it usually takes around 7-14 business days (USA, CA, AU, UK), others country takes around 10-20 business days (Brzil, India, RU), exact delivery time depends on postal process.
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If you do not receive your item by 30 business days, Please feel free to contact us via ebay mail system, we will try our best to resolve any problems with you.
4. the import tax/duty is the buyer's responsibility, not included in the price and the shipping fee. It is charged by the custom of your country.
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Return Policy
1. We offer
30 days
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2. Our warranty does not extended to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part.
3. For all returned products, buyers MUST contact us for the returning address.
4. In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item.
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