1.Description:
  This is a DIY kit for fun fabrication and assembly of music boxes, which can emit 16 interesting analog sound effects under your control. It is both an electronic kit and can be used as a doorbell or alarm. The control method is: manual coding+external coding.

2.Parameter:
  1>.Work Voltage: DC 5V
  2>.Work Temperature:-25℃~85℃
  3>.Work Humidity:5%~95%RH
  4>.Size:48x42mm

3. Components List