Firefly开源社区 - EC-A3576JD4 https://dev.t-firefly.com/forum-927-1.html Latest 20 threads of EC-A3576JD4 Copyright(C) Firefly开源社区 Discuz! Board by Comsenz Inc. Tue, 21 Apr 2026 14:07:41 +0000 60 https://dev.t-firefly.com/static/image/common/logo_88_31.gif Firefly开源社区 https://dev.t-firefly.com/ 购买的新机器自带的485串口不能用，是否需要装驱动 https://dev.t-firefly.com/thread-139409-1-1.html EC-A3576JD4 szhkka Thu, 11 Sep 2025 02:30:32 +0000