WS2821
Address Writer Instruction
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corresponding channel corresponding the channel.
II. WS2821 Address Writer Summary
WS2821 Address Writer has a LCD display which is convenient for using and directly perceived
through the senses. There are four buttons on the main panel, respectively is the return key,
addition key, subtraction key and confirm key. The functions are as followings:
key:Return Key,Exit current status or return to the previous menu
＋
key:Value to add to select a directory or data
key:Confirm key, enter the directory or put into a state or a suspended state
－
key:Down select a directory or data value subtraction
After power on, then it will display company LOGO and WS2821 programming model in turn(only
can show when there is in no SD Card mode ) after showing picture, then will enter the main
menu, mainly has 5 sub directories:
1. Address by lamp
2. Address by channel
3. Address testing
4. Program testing
5. Connection Instruction
III. Function Operate
A. New IC test
Before addressing new IC,first please do the “New IC test”, since the WS2821’s address writer
line are in series connection, when the IC can not work normally, it will lead the rest IC address
failure. The test operation are as followings:
1. Address Writer’s "DATA" need to connect with the WS2821’s DATA IN (Parallel data input
port), Address Writer’s "GND" need to connect with the WS2821’s GND, also the WS2821 need
toconnect with the power supply.