該電路採用兩個四以下(LM339)來照亮8顯示音量,LED串聯電壓比較器. 1 LED = 22mW 2 LEDs = 42mW 3 LEDs = 90mW 4 LEDs = 175mW 5 LEDs = 320mW 6 LEDs = 650mW 7 LEDs = 1.2 Watts 8 LEDs = 2.5 watts
[admin via 研發互助社區 ] LED的音量表電路已經有5448次圍觀
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