一般抢答器电路复杂，要通过仿真器、应用软件、计算机等辅助设备才能验证完成，对于初学者来说，显得有些力不从心。以下设计的这款电路非常简单，只要按图一试，就能装成一台简单的八路抢答器。-General Responder circuit complex. Through emulator, software applications and computer auxiliary equipment to verify complete, for beginners, appear some abil