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Step 2Parts needed
This is what I used to make the IBR:
(1) Buzzer (easiest to just get one with an internal driver, mine is a CEP-2224)
(1) Vishay TEPT5700
(1) 2N3904 NPN transistor
(2) 1Mohm trim pots
(1) 9 volt battery
(1) Battery Clip
(1) small piece of proto board
(1) Buzzer (easiest to just get one with an internal driver, mine is a CEP-2224)
(1) Vishay TEPT5700
(1) 2N3904 NPN transistor
(2) 1Mohm trim pots
(1) 9 volt battery
(1) Battery Clip
(1) small piece of proto board
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