JY-LKM1638, F71A 8* Digital Tube + 8* Key + 8* Double Color LED Module TM1638 Can be Cascaded Replace Integrated Circuits
USD 4.73USD 6.22
JY-LKM1638, F71A 8* Digital Tube + 8* Key + 8* Double Color LED Module TM1638 Can be Cascaded Replace Integrated Circuits