Description
KJ8084
This sound activated switch closes a relay when a loud enough sound is heard. It switches off when the sound stops. Ideal for radio transmitters or surveillance applications.
•Kit includes PCB, relay, electret mic & electronic components
•12VDC required
Specifications
Instructions sold separately or withing the Short Circuits book range,
Short Circuits Books are available for Download Here
For More Information on Kids science/electronics projects Click Here for Kits for Kids
Expected Delivery Times
North Island - 2-6 Working Days
South Island - 3-10 Working Days