ELM412 driver equivalent, piezo element driver.
* Low power CMOS design
* Wide supply range - 3.0 to 5.5 volt operation
* No external timing elements required
* Generates eight common piezo frequencies .
* Computer controlled tone generation
* Alarm warning signals
* Keyboard click generation
* Logic probe .
The ELM412 is an 8 pin oscillator circuit for driving piezo-electric elements. With the exception of one external resistor, all of the circuitry required to drive a typical piezo ‘bender’ is contained within this chip. This circuit allows the user to.
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