Dubuque, IA Free Moderated Classifieds Site > OLD ADS FROM PREVIOUS YEARS
> 2005
> 4" character height 7-segment led information board
4" character height 7-segment led information board
4" Character Height 7-Segment LED Information Board
Free present a piece of Demo Board
1.The 7-segment LED display development board assembles 2pcs 4 inch common anode 7segment LED display.
2.This development board assembles 74HC595 to drive the LED. Only need to feed two signals (Clock and Data). Variable brightness by PWM.
3.You could assemble multiple these boards together for showing more characters .
4"Character Height 7-segment LED Information Board
