公司项目，采用赛元单片机，应用到红外编解码技术，数码管显示技术、触摸按键技术、定时器、中断、PWM输出、串口设置等等。(The company's project, using Saiyuan MCU, applies to infrared coding and decoding technology, digital tube display technology, touch key technology, timer, interrupt, PWM output, serial port