This application required more flexibility than the LM3914 offers, and it uses a circuit based on an Atmel AVR-family ATTiny13 microcontroller, which features 1 kbyte of program memory; a four-channel ...
Panel-level logarithmic-column displays are usually built around an analog logarithmic converter and a column-display ADC, or the combination of a high-resolution ADC, a processor-controlled ...
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