And I Bought This Siren 12 Volt From Hong Kong
And Found Worked WIth What Wanter
As It Just as Good with 5 Volt And Also Well Wither The 12 Volt For 5V USB
And Then Couple Week Ago
I Put on My Laptop Near the TrackPad Where Hard Drive Locator
And Then Some Day Later
Not Notice Straight Away
There Was a Massive Sound of Hard Drive Movement
And I Wonder If Drive Was On It Way Out
But Sound Was Quite Healthy
And Boot Down Gone
And Was Load of Other Junk On Laptop Keyboard Area
As I Left It and Use Another Keyboard Remote Pro One
And Then Just Couple Day Ago
I Moved a Few Thing and Sound Practically All Gone
And Then Only Recently
I Picked something off
and Moved the Piezo Back Over
And Strange thing I Heard The Pieze Act Like a Sound Amplifier
Without Being Plugged In Produce Some Very Loud Sound of the Inside HDD Worker
Good as Some Sort of Diagnostic Tool
Or If Just Like It
But Do Get Little Annoying After a While Especially If Don't Know Where Coming From
Reason to Buy 12 Volt Siren
Is Good Version as Sound is Not Continuous and A Varying Sine Wave Siren Good Quality None Crackle Like Some Seen
I Was Going to Make and Not Done Yet
To Do a Relay and Power Failer Alarm
Use a Small USB Power Bank
So Has Rechargeable Battey
and Put in a Metal Box
I Did Purchase a Fail Power Alarm Recently as Was Good But Ask to Send Another
And Never Found Battery Compartment
And Realise How Easier
But Battery Not Rechargeable
Realise How Easier DIY Professional
Image Source And Purchase eBay
**
Loud Siren Piezo Alarm Extreme Car 2.3 – 4.3 kHz Tone Warble 12V DC 110dB New | eBay
http://tinyurl.com/yy9eeeto
**
£1.74 Purchase to Me-er
Ha Ha
Over
~
[ Wednesday 23:58:00 Pm_15 May 2019 ]
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