一个通过收发红外信号来实现的遥控计算器。通过中断来实时地响应用户的输入指令，MCU计算后的结果送回后显示。-An infrared signal through transceiver to achieve remote control calculator. By means of interrupts in real time in response to the instruction of the user' s input, the result after the calcul

基于正点原子的战舰开发板的SPI实验和红外遥控计算器-SPI experimental development board battleship punctual atomic and calculator based on infrared remote control