Click the button below to add the Audio Level Meter Assembled Demo to your wish list.
Uses an LM3915 Bar Graph IC and audio pre-amplifier stage to measure an audio level. The Meter includes a sensitivity adjuster to increase and decrease the mic's sensitivity level. Requires a 9V battery. Teacher Demo Unit, Assembled/Tested.
MAIL: KELVIN®, 280 Adams Blvd., Farmingdale, NY 11735 USA PHONE: 1-631-756-1750 FAX: 1-631-756-1763 EMAIL: firstname.lastname@example.org.
Copyright ©2019 KELVIN L.P. All Rights Reserved.
All prices are in USD. Registered Trademarks of KELVIN L.P include, but are not limited to: KELVIN®, Hands-On Science®, Build A Better Mousetrap Racer®, Rat Racer®, And the Winner Is…®, New Standards®, and SUMO Car Wrestler®.|