255键红外学习模块，包含原理与协议。可以学习不同载波频率的红外码。-255 key IR learning module, which contains the principles and agreements. You can learn the infrared codes of different carrier frequency.

红外避障模块的数据表中使用的51单芯片，采用KEIL准备-SCM infrared obstacle avoidance module data sheets for use for 51 single-chip, prepared using KEIL