How to prepare a special and interesting birthday gift for your kids or friends? This project will give you a best answer.
WHDTS has released a Electronic Candle Lights Happy Birthday Thermal Sensor Soldering DIY Kit these days which is really creative.
What's this?This circuit simulates a real candle which can lit with fire and blown out. It can light up and play the "Happy Birthday to You" song. And it will stop playing the music when it blows out.
Parameters:Work Voltage:DC 5VWork Temperature:-40℃~85℃Work Humidity:0%~95%RH
Using Steps:- Connect 5V power supply.
- Use a lighter to burn the thermal sensor about 2 seconds (Can not for more time.Otherwise it will damage the sensor)
- LED will turn ON and Buzzer playing ¡happy birthday to you¡¯.The buzzer can only simulate playback, the quality of the voice is not very good, please note.
- Blowing towards the microphone, the LED will go out and the buzzer will stop playing.
How to solder it?
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