Red Heart-Shaped Flash LED DIY Kit 18pcs LEDs

Description

Red Heart-Shaped Flash LED DIY Kit 18pcs LEDs
Circuit board with 1.5mm high-quality all-glass plate processing technology, the pad large, thick wire, fly line rarely (only 3), component layout and beautiful, copper surface using environmentally friendly antioxidant treatment. Using 9 SMD components, easy welding training and improve aesthetics.

Red Heart-Shaped Flash LED DIY Kit 18pcs LEDs

Suitable for Christmas, New Year, Chinese New Year, Valentine’s Day and other festivals, warm moment to express love gifts!
This collection contains 18 red leds, divided into 3 groups, formed a heart-shaped pattern, and driven by transistor oscillator circuit, make the red heart constantly according to clockwise ablaze, especially when used in the night, extremely rich move feeling. Especially suitable for the festival festival, celebration, take out sweet anniversary occasion such as display, as an ornament adornment. This suite of assembly production is relatively simple, use 2 section 7 battery (own) as a power source. The top board hanging hole is reserved, can be used to hang.

Components list as follows:

Red Heart-Shaped Flash LED DIY Kit 18pcs LEDs SchematicComponent Name

Specification
Serial number
Quantity
Electrolytic capacitor
10-22uF
C1, C2, C3
3
3V battery box
No. 5 *2
J1
1
Led
5mmRed
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8, LED9, LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18
18
0805Chip Resistor
10K
R1, R3, R5
3
0805Chip Resistor
100
R2, R4, R6
3
SMD transistor
1815
V
1
SMD transistor
9013
V2, V3
2
Circuit board
1

 

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