16 relay output channels and 16 isolated digital input channels LED indicators to show activated relays Jumper selectable Form A/Form B-type relay output channel Output status read-back Keep relay output values when hot system res

16位元led等电流驱动driveer器mbi5024驱动driver， -Led, such as 16-bit device driver current drive mbi5024 drive driver,

4位BCD码到二进制码的转换器 BCD 码亦称“8421码”即将十进制的数以 8421 的形式展开，十进制是 0～9十个数组成，这十个数每个数都有自己的 8421 码。一个 4 位BCD码转换为BCD 码，结果采用 5 位 LED 显示。由于4位BCD码需要16位零一信号输入和多位输出，故没有硬件测试，只有软件仿真。-4 BCD code to binary code converter BCD code known as " 8421 yards" is about th