Huaxia Display Co., Ltd. built China largest led modules manufacturing, our manufacturing capacity is 120, 000 sq.m per month, our annual sales  is 600 million US dollars. No.1 brand in China led modules channel sales. We wholesale sales SMD...
   To satisfy electronic DIY hobbyists, we have developed a max7219 dot matrix module It uses the max7219 chip which does a great job on saving of MCU I or o it can not only control each point individually , But also can be extended without limitation to meet your...
Thos is a common anode 4-digit tube display module with 12-pin, with time display; TM1637 driver chip; Only need 2 signal wire to use singlechip to control 4-digit 8-segment digital tube; 4-digit common anode digital tube, 8 segment adjustable grayscale; Can connect to 5V or...