Kit#: QK123 FLASHER MULTI FUNCTIONS, 14 OUTPUTS WITH SPEED CONTROLL VARIABLE :
Here is the kit for making the multi-function (multi pattern) LED sign boards. The kit based on the microcontroller from the ATMEL AT89C2051. We use all its ports. 14 outputs are for LED's. You can make 14 characters multifunction signboard, each out can bear the load of 35 super bright LED's easily. So that you can drive 490 LED's. Operated at 12V DC.
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