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Drip, Drip, Drip!
- Makes a great repeating "plink" sound!
- Create a pleasant alarm signal
It's somewhere between a dripping faucet and the electronic chime "dinger" in a new car! The EDF1 makes a pleasant but very attention getting repeating sound! "Plink, plink, plink, plink" just like the water faucet dripping into a bowl of water! Use it for anything that requires a "different" audio alarm signal, or simply to drive your friends nuts! Plus, you will learn how a simple transistor oscillator together with the eternal 555 timer IC can make such a sound! Runs on 4-9 VDC and has a speaker level output to drive any small speaker (That O-Ring assortment at the hardware store WON'T make it go away!)
User Manual in PDF