Skip to main content

Sound Activated LED Switch DIY Electronic Hand Clap Latch Switch On/Off

  • £1.76
  • Buy it now
  • Free P&P
View details
Once assembled and powered with 4.5-5.5V, when the microphone signal amplifier circuit picks up a loud enough sound wave, it will toggle on/off a latch circuit which turns on/off a led. - You can latc...
Condition:New
Time left:20d 3h 49m
Item location:China
Sold by: