ASIC-based MCU and the program LED SCR dimming tec

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that the number of led bai sent tens of milliseconds .ms constant current pulses simultaneously and instantaneous measurements of spectroscopic instruments to open the shutter, led emitted light on the parameters (flux, writing board light and color parameters, etc.) for rapid detection, but also synchronous acquisition led forward voltage drop and power and other parameters. because ofthis approach in the detection process, led junction temperature is almost equal to room temperature, so measurements of light efficiency, light color, and electrical parameters with significant differences in actual usage.
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