开源项目：pcb自动电键 业余无线电\n\n简介：基于pcb设计的双桨自动电键，用于无线电发报。\n\n开源链接：[https://oshwhub.com/adlfzhang/ci-hui-dan-zi-dong-pcb-dian-jian-ke-qie-huan-zhi-lian-hao-hua-ban-ch9329]\n#51单片机# #DIY设计#