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ledb [2018/11/08 22:04] – [Piezo] yairledb [2020/06/12 11:59] – yair
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-this is a recap of the [[http://yair.cc/ledB|ledB]] project+this is a recap of the [[http://yair.cc/ledB|ledB]] project {{ :pasted:20200612-085832.png?100}}
  
-==== Piezo ====+{{youtube>rnM_7NyU4k8}}
  
 +==== BOM ====
 +  * 1 x resistor 10K thruhole
 +  * 1 x resistor 10M thruhole
 +  * 1 x diode BA159 or alternative
 +  * 1 x piezo disk ~3.5Khz (datasheet)
 +  * 1 x BLUE led (3.5v fwd voltagedatasheet)
 +  * 1 x LM741 opAmpo (datasheet)
 +  * 2 x coin cell battery CR2032
 +
 +==== Piezo ====
  
 === simulation === === simulation ===
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   * [[http://www.brl.uiuc.edu/Downloads/bigelow/APPENDIX%20C.PDF|THE RLC CIRCUIT MODEL FOR A PIEZOELECTRIC   * [[http://www.brl.uiuc.edu/Downloads/bigelow/APPENDIX%20C.PDF|THE RLC CIRCUIT MODEL FOR A PIEZOELECTRIC
 TRANSDUCER]] and {{piezoacoustic.pdf?linkonly|mirror}} (PDF) TRANSDUCER]] and {{piezoacoustic.pdf?linkonly|mirror}} (PDF)
 +
 +{{ https://i.imgur.com/7kt8khR.png }}
 +
 +=== source ===
 +{{https://github.com/5shekel/ledB|github}}