2016年4月26日星期二

WS2813 LED

     WS2813 LED is a new  signal break-point continuous transmission.
WS2813 is an intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components. Its internal include intelligent digital port data latch and signal reshaping amplification drive circuit. Also include a precision internal oscillator and a 12V voltage programmable constant current control part, which achieves highly consistent color effect.
The data transfer protocol use single NZR communication mode. After the pixel power-on reset, the DIN port receive data from controller, the first pixel collect initial 24bit data then sent to the internal data latch, the other data which reshaping by the internal signal reshaping amplification circuit sent to the next cascade pixel through the DO port. After transmission for each pixel, the signal to reduce 24bit. Every pixel adopts auto-reshaping transmit technology, making the pixel cascade numbers are not limited to the signal transmission, only relate to the speed of signal transmission.
The BIN receives the data signal, and then compare the data with the DIN side after phagocytosis of 24bit data, if DIN do NOT receive the signal, then switching to BIN for receiving the input signal, which ensure that any the IC's damage does not affect the signal cascade transmission and make the BIN in state of receiving signal until restart after power-off.
Refresh Frequency updates to 2KHz, Low Frame Frequency and no Flicker appear in HD Video Camera.

250us or more of reset time, it won’t cause wrong reset while interruption, it supports the lower frequency and inexpensive MCU.
There’re in a choice of 18mA or 5mA current version, and also in a choice of high brightness or cost-effective version. That is to say, WS2813 is provided with four versions.

2016年4月11日星期一

Addressable white tm1812 led strip

                    Addressable white tm1812 led strip 


TM1812 one ic has 4pixel ,so it can achieve each led can be controlled,there are  rgb and white led,so it can be produced tm1812 addressable white led strip.

Addressable white ws2811 led strip

                    Addressable white ws2811 led strip


WS2811 led strip has 30led/m ,48led/m and 60led/m,the led has rgb and white 2 types,but some projects just need different white color effects, you can use ws2811 addressable white led strip.