DIY LED Christmas Tree Kits

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3Pcs Geekcreit® Christmas Tree LED Flash Kit Three Color Version 3D DIY Electronic Learning Kit
Deal
translation missing: en.products.product.regular_price $30.00 $25.00 On Sale
translation missing: en.products.product.regular_price $30.00 $25.00 On Sale
How it display:

CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).

Feature:

Kit Model: CTR-30 (three-color light)
Operating voltage: DC4.5-5V
Power supply: 3 AA batteries or USB charger (The adapter does not includes)
Dimensions: 60 x 136 x 60mm (L x W x H)



5Pcs Geekcreit® Christmas Tree LED Flash Kit Three Color Version 3D DIY Electronic Learning Kit
Deal
translation missing: en.products.product.regular_price $49.00 $42.00 On Sale
translation missing: en.products.product.regular_price $49.00 $42.00 On Sale
How it display:

CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).

Feature:

Kit Model: CTR-30 (three-color light)
Operating voltage: DC4.5-5V
Power supply: 3 AA batteries or USB charger (The adapter does not includes)
Dimensions: 60 x 136 x 60mm (L x W x H)



DIY Christmas Tree LED Flash Kit Electronic Learning Kit 3 Types Optional
Deal
translation missing: en.products.product.regular_price $16.00 $14.00 On Sale
translation missing: en.products.product.regular_price $16.00 $14.00 On Sale
Note: This is a DIY kit, you need to assemble it.
3 Types Optional: 2/3/4 vertical Christmas tree

Due to the production time, there may be a mixture of blue and green sent, please understand, thank you.

 

Feature:
 
Working voltage: DC3-5V
Power interface: DC005-2.1
Vertical PCB board size: 5.7 cm * 16.1 cm
Floor PCB board size: 3.6 cm * 3.9 cm
2 vertical Christmas tree Dimensions: 11.3 cm x 4.0 cm x 16.1 cm (L x W x H)
3 vertical Christmas tree Dimensions: 9.0 cm x 10.0 cm x 16.1 cm (L x W x H)
4 vertical Christmas tree Dimensions: 11.3 cm x 11.3 cm x 16.1 cm (L x W x H)
 
Assembly method:
 
First assembly the vertical plates, soldered components according to the screen printing parameters, in which a screen printed on the 10UF capacitor is also soldered 100UF, after soldered, the first power test, then assembled in the backplane.
 
5V USB DIY Funny Christmas Shaking Bell Wobbly Windbell Electronic Flash LED Kit
Deal
translation missing: en.products.product.regular_price $20.00 $17.00 On Sale
translation missing: en.products.product.regular_price $20.00 $17.00 On Sale
Description:

Operating voltage: 4.5 - 5V
Dimensions: 92 x 89mm

How it works:

Composed of Q1, Q2 harmonic oscillator, to control two sets of LED lights flashing alternately, 83pcs LED arranged in a swinging bell shape.
Multivibrator works as follows:

Because the parameters of components can not be exactly the same, so when power it on, Q1 or Q2 will switch on, assuming Q1 switch on first, Q1 collector voltage reduce to 0V, this time group A LED light; due to the voltage across of capacitor can not change suddenly, Q1 0V collector voltage through C1 makes Q2 base potential is also reduced to 0V, Q2 turn off, at this time the group B LED does not light. As the charging voltage of C1 increases, when rises to Q2 and switch on voltage, Q2 is turned on, Q2 collector voltage drop to 0V, this time the group B LED light emitting; Similarly, 0V of Q2 collector via C2 made the base potential is reduced to 0V, Q1 off, at this time group A LED does not emit light. Then C2 charging start to repeat the process, making two sets of LED alternating continuous cycle luminous. Wherein C1, C2, R21, R22 determine the frequency of two sets of LED flash alternately, changing their parameters can be changed the wobble frequency.

Note: No instruction supply, please note about this before you buy it.
This is a DIY kit, you need to soldering by yourself.

File download:


5Pcs Geekcreit® DIY Christmas Tree LED Flash Kit 3D Electronic Learning Kit
Deal
translation missing: en.products.product.regular_price $49.00 $42.00 On Sale
translation missing: en.products.product.regular_price $49.00 $42.00 On Sale
Feature:

CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).

Feature:

Kit Model: CTR-30C (Colorful light)
Operating voltage: DC4.5-5V
Power supply: 3 AA batteries or USB charger (The adapter and batteries are not includes)
Dimensions: 60 x 136 x 60mm (L x W x H)



Geekcreit® Christmas Tree LED Flash Kit With Transparent Cover DIY Electronic Kit
Deal
translation missing: en.products.product.regular_price $24.00 $21.00 On Sale
translation missing: en.products.product.regular_price $24.00 $21.00 On Sale
Christmas Tree LED Flash Kit With Transparent Cover DIY Electronic Kit

CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).

Feature:

Model: Three-color light
Operating voltage: DC4.5-5V
Power supply: 3 AA batteries or USB charger (batteries are not included)
The transparent cover thick:: 1.6mm
Power supply is not included

This is a DIY kit, you need to assembly it.



Geekcreit® DIY Light Control Full Color LED Big Size Christmas Tree Tower Kit
Deal
translation missing: en.products.product.regular_price $18.00 $16.00 On Sale
translation missing: en.products.product.regular_price $18.00 $16.00 On Sale
Description:

This Big Size Christmas tree kit using full color led designed. it can change the different color such as Red, Orange, 
Yellow, Green, Blue, Cyan-blue and purple. Two different size full color led and the big size PCB combine together
to a brilliant colors Christmas tree. It has 14 kinds of different color changing effect. It can simulated the Meteor across effect, 
Rainbow color change effect, Flash effect, Aurora gradient effect. And it also has light control function, according to the
brightness automatically adjust the speed of change. It all using the DIP components and easy to make.This is a very
attractive personality Christmas DIY project for the holiday season.
Manual is !

Features:

14 kinds of different color changing effect(See below for details).
Using 5mm and 10mm two size of the RGB full color LED.
Using the Big Size white PCB to designed a Christmas Tree 3D Shape.
Photometric resistance photometric collection automatically adjusts the rate of change.
Switch to power button to switch different modes.
Use Mini USB Cable to Connect a computer or phone charger to Supply it with the 5V.
Dimensions: 90mm x 90mm x 160mm.

Mode effect list:

1, Christmas rainbow gradient mode.
2, Meteor impact mode.
3, Simulate Starlit mode.
4, All slow color changing.
5, Up and down meteor mode.
6, Aurora color gradient mode.
7, Middle color changing mode.
8, Similar color slow changing mode.
9, Multicolor small meteor acroos mode.
10, Similar color diffusion in the middle mode.
11, Random color lightning mode.
12, Rainbow color flashing mode.
13, Meteor across color gradient mode.
14, Meteor back and forth across mode.

Function:

1. Use micro usb cable or power wire to supply 5V power;
2. Toggle the switch button to switch the next animation effect;
3. According to the ambient brightness automatically adjust the speed of change.

3Pcs Geekcreit® DIY Christmas Tree LED Flash Kit 3D Electronic Learning Kit
Deal
translation missing: en.products.product.regular_price $31.00 $27.00 On Sale
translation missing: en.products.product.regular_price $31.00 $27.00 On Sale
Feature:

CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).

Feature:

Kit Model: CTR-30C (Colorful light)
Operating voltage: DC4.5-5V
Power supply: 3 AA batteries or USB charger (The adapter and batteries are not includes)
Dimensions: 60 x 136 x 60mm (L x W x H)



Geekcreit® Christmas Tree RGB Colorful LED Flash Kit With Transparent Cover DIY Electronic Kit
Deal
translation missing: en.products.product.regular_price $23.00 $19.00 On Sale
translation missing: en.products.product.regular_price $23.00 $19.00 On Sale
Introduce:

Christmas tree kit consists of three circuit boards, you need to soldering it by yourself, so 36 LEDs flash alternately, showing a three-dimensional outline of a Christmas tree in the space. (the night environment has better viewing).


This is a DIY kit, you need to assembly it.

Feature:


Model: Coloful light
Operating voltage: DC4.5-5V
Power supply: 3 AA batteries (not includes), cell phone chargers, computers, power bank
Dimensions (including housing): 72mm long * 72mm wide * 140mm high
Circuit board material: 1.6mm RF-4 double-sided sheet

Christmas Tree Flash LED Electronic DIY Learning Kit
Deal
translation missing: en.products.product.regular_price $8.00 $7.00 On Sale
translation missing: en.products.product.regular_price $8.00 $7.00 On Sale
Christmas Tree Flash LED Electronic DIY Learning Kit

Description:


This circuit is composed of 16 LED (light emitting diode). The 16 LED divided into four groups, and each group has a different flashing frequencies, when four groups flashing LED lights together, just like Christmas tree, the circuit is powered by a 9V battery.

This circuit production advantages:

Simple and practical, low power consumption, and the circuits is use integrated to driving, fewer parts, the line is simple and easy to understand. External wiring of the kit, all with pluggable connector for easy replacement at any time and is conducive to the circuit debugging. Let us also deepen understanding of circuit theory in the debugging process.

This circuit is generated by circulating in the form of the oscillation circuit, the principle as follows:

1. After the first charge, the capacitor C1 & C4 charging is complete.
2. Capacitors C2 & C3 will continue to charge.
3. When the transistor Q1 & Q4 is turned on, at the same time, the capacitor C1 & C4 discharges.
4. The capacitor C2 & C3 is fully charged, the transistor Q1 & Q4 will be closure, while the capacitor C1 & C4 charging again.
5. The transistor Q2 & Q3 is turned on while the capacitor C2 & C3 will be discharged.

By analogy, the flash of speed is the oscillation frequency, and the frequency is determined by the resistor R & capacitance C values.

Geekcreit® Christmas Tree LED Flash Kit 3D DIY Electronic Learning Kit
Deal
translation missing: en.products.product.regular_price $10.00 $8.00 On Sale
translation missing: en.products.product.regular_price $10.00 $8.00 On Sale
CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).

Feature:

Kit Model: CTR-30 (three-color light) / CTR-30C (Colorful light)
Operating voltage: DC4.5-5V
Power supply: 3 AA batteries or USB charger (The adapter does not includes)
Dimensions: 60 x 136 x 60mm (L x W x H)



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