It is DIY kit, you need to weld it.
There are 6 songs for your change in the this program,likes the birthday song,Merry christmas song and so on.
Equipped with a 9 key infrared remote control, can control the LED display and music player,easy to use
Name:Love Heart Shape DIY Kit
Working Voltage:DC 5V
High quality buzzer output music,stable performance
Using advanced circuit board, red group welding layer
34pcs LED automatic flashing alternately
It can display Pink color
Can use USB or mobile phone charger power supply
Equipped with a 9 key infrared remote control, can control the LED display and music player
1.Soldering all the components first,please pay attention to the positive and negative components
2.All the SCM and LED lights installed ,please pay attention to the direction of the microcontroller
Electrolytic capacitor, light emitting diode should pay attention to the polarity of the installation, long legs for the positive, when the chip is installed to pay attention to the U port direction,
power and positive and negative pole can not be wrong, otherwise it will burn the chip: plug in the middle is positive, the outer is negative.
1 x Love Heart Shape DIY Kit