Wobbly Windbell Campanula Fun Electronic DIY Kit Wring 83 LEDs 5V 9V 92*89MM LED module

8.56

895 in stock

SKU: 32839864242 Categories: ,

Description:

1. Suite Features
Suite Name:Wobbly Wind Bell Suite Type:YFL-80
Operating Voltage:5~9V Dimensions:92*89mm

2. Principle of Operating

For YFL-80, the Q1 and Q2 form the multivibrator which used to control the flashing of these two LEDs. 83 LEDs form the pattern of a wobbly wind bell.
And here is the operating principle of multivibrator. As there is difference between the components, Q1 or Q2 will be turn on at the first place after the boot. If Q1 turns on at the first place, the voltage of Q1 collector will be 0V and the LEDs of group A start light. As it cannot have a sudden change on the voltage of two ends of the capacitance, the Q1 collector with 0V will let the base potential of Q2 reduced to 0V through C1 and let the Q2 turn off. LEDs of group B turn off at this time. When the charge voltage of C1 increases to the breakover voltage of Q2, the Q2 turns on. And the voltage of Q2 collector reduced to 0V and LEDs of group B starts to light. In the same way, the Q2 collector with 0V will let the base potential of Q1 reduced to 0V through C2 and let the Q1 turn off. LEDs of group A turn off at this time. The multivibrator will operate according to this cycle to let these two groups of LEDs light by turns.
And the wobble frequency of these two groups of LEDs depends on the specification of C1.C2.R21 and R22.
3. List of Components

Package:

1 x Wobbly Windbell LED

 

Output Type

Pls check description

Brand Name

diymore

Model Number

no

DIY Supplies

Electrical

is_customized

Yes

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