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05/11/2013 09:28
The buck-boost topologies current is relatively high , for example , the same as if the input LED Bulb voltage and output voltage , the inductor and the power switch current is more than twice the output current , which the performance and power consumption can be adversely affected. Figure...
05/11/2013 09:28
Figure 1 also shows alternative buck regulator (Buck # 2). In this circuit , MOSFET drivers on the LED Lighting china ground , greatly reducing the driving circuitry. This circuit detects the LED current control FET current method , or series with the LED current sensing resistor. If...
04/11/2013 09:48
six 16-bit timers, watchdog hardware , high-speed SPI communication port , full duplex MR16 asynchronous serial ports, each general purpose I / O port can reach 20 mA drive capability . line programmable , no programming , no emulators , remote upgrades, cost effective , enabling...
04/11/2013 09:47
Antistatic ability of the LED, long life, and therefore higher prices . Usually static than 700V of the LED can be used for LED lighting .
LED Lighting china
3 , the wavelength
The same wavelength of the LED, the same color, such as requiring the same color , the price is high. No LED...
04/11/2013 09:47
( 1 ) spread-spectrum communication technology which is much larger than the signal bandwidth LED Downlight occupied by the preaching of the information required minimum bandwidth . Band broadening is achieved by coding and modulation methods to achieve, nothing to do with the information...
04/11/2013 09:47
six 16-bit timers, watchdog hardware , high-speed SPI communication port , full duplex MR16 asynchronous serial ports, each general purpose I / O port can reach 20 mA drive capability . line programmable , no programming , no emulators , remote upgrades, cost effective , enabling...
01/11/2013 09:27
Row scanning circuit constituted by a decoder , progressive scan signal . Starting from the first LED Downlights line , according to the order for each line to be scanned. Once the row strobe , corresponding pixel on the line can be illuminated by the column drive signals . When the end...
01/11/2013 09:26
LED large screen display can be widely used in shopping malls , railway stations, airports, banks , LED Downlight securities markets, industrial control , and many other occasions , as advertising and information transfer purposes. Designs generally use single-chip control , but...
01/11/2013 09:26
Figure 5 main microprocessor control program chart
MR16
2.3 CPLD programming block diagram
The CPLD programming for modular programming. Entire program by the data generation module , the address decoding module , the shift clock generator module , line scans module column drivers...
31/10/2013 10:12
1, if your display wall installation location is the place, to see how much the display can bulge, if LED Bulb the position of protruding wall one meter is recommended according to the area size selection fan, fan mounting position on the screen side turn arranged on...
