The figure shows an electronic tuner circuit composed of LD082.
Using an LD082 and a CD4024 binary counter/divider, you can form a high-precision, sound-tuning 8 sets of tuner. Switch S1 is used to convert 1~8 groups, and switch S2 is changed to 12 in each group (or 13) Sound names. The frequency of 97 sounds ranges from 16.3HZ to 4172HZ, which fully covers the range of the 88-key standard piano.
Digital display meter is the abbreviation of digital display instrument. LED and LCD are commonly used as display elements.
Digital display meter has the characteristics of visual intuition, convenient setting and high degree of intelligent control. In addition, with the rapid development of current sensing technology, the function of digital display instrument is becoming more and more powerful and the accuracy is constantly improving. Digital display instrument is replacing traditional mechanical instrument in a large number and has been widely used in all walks of life and daily life.
Digital Display Meter,Digital Display Intelligent Meter,Electrical Connection Digital Display Meter,Intelligent Digital Panel Instrument
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