Gikfun 3D Xmas Tree Led DIY Kits 7 Color Flash Circuit LED EK1697

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The LED light flows from the inside to the outside, creating the effect of the exploding water lamp.The speed of LED flow can be adjusted to meet various demands. High quality PCB,Even beginners can easily weld successfully.

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

The LED light flows from the inside to the outside, creating the effect of the exploding water lamp.The speed of LED flow can be adjusted to meet various demands. High quality PCB,Even beginners can easily weld successfully.
High quality PCB, has clearly marked the electronics components, even beginners can easily solder successfully.
Comes with user manual and online PDF file, which will guide you how to finish step by step, perfect for school basic electronics experiment projects.
Left to right, red, yellow, red, yellow in order to install LED. The LED's anode corresponds to the square pad
Operating Voltage: DC4.5-6V. PCB size: 100*80mm

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Gikfun Electronic LED Flashing Lights Soldering Practice Board PCB DIY Kit EK1874

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