SQL语句出错:select * from download where ProId='6669' order by 1 limit 1错误代码:#1032 - Can't find record in 'download'
AiP1637是一款2线串口共阳极8段6位带8*2位键盘扫描的LED驱动控制专用电路,内置键盘扫描接口,MCU数字接口、数据锁存器、LED驱动等电路,广泛适用于各种LED面板场合。
●内置显示RAM