最近我用到一隻LED,
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1W 9mm LED
以3V 60MA供電不發熱,直接接觸光度錶,測得5 ...
dazesin 發表於 2010-10-13 08:51
Leds in parallel:
Supply Voltage 8.4v
Voltage Drop Across LED 3v
Desired LED Current 60mA
How m ...
dazesin 發表於 2010-10-13 14:03
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