This is very similar to how a microphone works, but the element inside the buzzer is flat and durable, making it ideal for direct contact amplification. Though it works like a speaker to produce a buzzing sound, the piezoelectric element is also capable of working backwards, translating pressure into voltage. You will need to disassemble the buzzer to get to the element. You can get one at Radio Shack for about $8. The key to this very inexpensive setup is a commonly available piezoelectric buzzer. If you have all the parts handy, you can build this pickup and be analyzing watch movements in under an hour. You can buy expensive pickups that cost hundreds of dollars (Delph, linked above, provides one for GBP295, about $600USD with full purchase of their software) or you can build your own for a lot less. The problem is getting the sound from your tiny watch movement into your PC. It's not hard to find free or inexpensive waveform or escapement analyzer software. If you are going to use it commercially I highly recommend you purchase the full version. I am assuming it is NOT for commercial use. NOTE: As far as I know the software linked is provided for personal use. I recommend downloading and installing the software above BEFORE proceeding. * $8 Radio Shack Piezo Pulse Buzzer part # 273-080: įree or demo software downloads required: * $15 Radio Shack mini amplifier part # 277-1008: * stereo audio cable with 1/8" to 1/8" male ends Items to purchase (if you don't already have): * Windows PC (I used XP, may work with other versions) with If you’d like to benefit from my effort, keep reading. The purpose of this write-up is to distill all the knowledge I have on these subjects into one easy-to-use tutorial. I did this for several months before coming up with this reliable setup. Years ago I stayed up many nights researching and struggling through trial and error. You’ll notice all 3 of these are probably covered somewhere out there on the world wide web surely these things have been done before. Basic use of sound capture and analyzer software.Amplifying and fine tuning an electrical signal.All you need is another $35 or so worth of parts, possibly less if you already have some of it laying around. If you already have a PC running windows you are 90 percent of the way there. Here it is, a CHEAP analyzer you can build yourself.
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