You can install the led sending card inside! Like TS801D,DS801 or SD801D.
How to install the SD801 LED Sending card into SB-8 LED Sender ?
Please check this link:
Attention: All of linsn led Control Card is Definitely From Shenzhen Linsn Technology Development Co.,Ltd. Including LED Sending Box,led sending card,led receiving card and Parts as EX902D,EB901,CN701,etc.
We are Shenzhen Linsn Optoelectronic Co.,Ltd.Independent Brand as "LINSN LED" for LED Display Manufacturing.Do Not Produce Any Kind Of LED Control Card.
Company：Shenzhen Linsn Optoelectronic Co.,Ltd.
Add：Building 11,SanLian Industry Park,SongBai Road,BaoAn District,Shenzhen,China.