现在不管什么指令都返回失败！ 有没有软件复位的方法？！
[2026-09-10 09:37:31.108]# SEND HEX/12 >>>
FD FC FB FA 02 00 00 00 04 03 02 01

[2026-09-10 09:37:31.178]# RECV HEX/14 <<<
FD FC FB FA 04 00 00 01 01 00 04 03 02 01

[2026-09-10 09:37:35.902]# SEND HEX/12 >>>
FD FC FB FA 02 00 00 00 04 03 02 01

[2026-09-10 09:37:35.962]# RECV HEX/14 <<<
FD FC FB FA 04 00 00 01 01 00 04 03 02 01

[2026-09-10 09:38:43.327]# SEND HEX/14 >>>
FD FC FB FA 04 00 FF 00 01 00 04 03 02 01

[2026-09-10 09:38:43.381]# RECV HEX/14 <<<
FD FC FB FA 04 00 FF 01 01 00 04 03 02 01

[2026-09-10 09:38:52.494]# SEND HEX/12 >>>
FD FC FB FA 02 00 FE 00 04 03 02 01

[2026-09-10 09:38:52.551]# RECV HEX/14 <<<
FD FC FB FA 04 00 FE 01 01 00 04 03 02 01

[2026-09-10 09:39:11.341]# SEND HEX/12 >>>
FD FC FB FA 02 00 16 00 04 03 02 01

[2026-09-10 09:39:11.410]# RECV HEX/14 <<<
FD FC FB FA 04 00 16 01 01 00 04 03 02 01

[2026-09-10 09:39:49.024]# SEND ASCII/35 >>>
FD FC FB FA 02 00 16 00 04 03 02 01

[2026-09-10 09:39:50.837]# SEND ASCII/35 >>>
FD FC FB FA 02 00 16 00 04 03 02 01

[2026-09-10 09:39:54.766]# SEND HEX/12 >>>
FD FC FB FA 02 00 16 00 04 03 02 01

[2026-09-10 09:39:54.844]# RECV HEX/14 <<<
FD FC FB FA 04 00 16 01 01 00 04 03 02 01

[2026-09-10 09:40:02.782]# SEND HEX/12 >>>
FD FC FB FA 02 00 11 00 04 03 02 01

[2026-09-10 09:40:02.833]# RECV HEX/14 <<<
FD FC FB FA 04 00 11 01 01 00 04 03 02 01

[2026-09-10 09:40:20.062]# SEND HEX/14 >>>
FD FC FB FA 04 00 08 00 01 00 04 03 02 01

[2026-09-10 09:40:20.126]# RECV HEX/14 <<<
FD FC FB FA 04 00 08 01 01 00 04 03 02 01

[2026-09-10 09:41:00.024]# SEND HEX/18 >>>
FD FC FB FA 08 00 12 00 00 00 04 00 00 00 04 03 02 01

[2026-09-10 09:41:00.095]# RECV HEX/14 <<<
FD FC FB FA 04 00 12 01 01 00 04 03 02 01

[2026-09-10 09:41:32.913]# SEND HEX/18 >>>
FD FC FB FA 08 00 12 00 00 00 FF 00 00 00 04 03 02 01

[2026-09-10 09:41:32.970]# RECV HEX/14 <<<
FD FC FB FA 04 00 12 01 01 00 04 03 02 01

[2026-09-10 09:42:18.846]# SEND HEX/18 >>>
FD FC FB FA 08 00 07 00 3F 00 A0 86 01 00 04 03 02 01

[2026-09-10 09:42:18.911]# RECV HEX/14 <<<
FD FC FB FA 04 00 07 01 01 00 04 03 02 01

[2026-09-10 09:42:32.929]# SEND HEX/14 >>>
FD FC FB FA 04 00 08 00 3F 00 04 03 02 01

[2026-09-10 09:42:33.017]# RECV HEX/14 <<<
FD FC FB FA 04 00 08 01 01 00 04 03 02 01

哪位能给3.0的固件 谢谢！

上面的固件能发一份吗 谢谢

问题解决了 3.3V 欠压

HLK-LD2402_TOOL.exe 提示串口设备打开失败

重新上电：
[2026-09-09 14:57:28.666]# RECV ASCII/1 <<<

[2026-09-09 14:57:29.385]# RECV ASCII/51 <<<
Error: flashDataLen is more than FLASH_PAGE_SIZE!

[2026-09-09 14:57:29.477]# RECV ASCII/10 <<<
ADC: 4095

[2026-09-09 14:14:51.207]# RECV HEX/1 <<<
F0

[2026-09-09 14:14:51.884]# RECV HEX/51 <<<
45 72 72 6F 72 3A 20 66 6C 61 73 68 44 61 74 61 4C 65 6E 20 69 73 20 6D 6F 72 65 20 74 68 61 6E 20 46 4C 41 53 48 5F 50 41 47 45 5F 53 49 5A 45 21 0D 0A

[2026-09-09 14:15:55.570]# RECV ASCII/8 <<<

[2026-09-09 14:16:10.193]# RECV HEX/2 <<<
C0 FF

[2026-09-09 14:16:10.873]# RECV HEX/51 <<<
45 72 72 6F 72 3A 20 66 6C 61 73 68 44 61 74 61 4C 65 6E 20 69 73 20 6D 6F 72 65 20 74 68 61 6E 20 46 4C 41 53 48 5F 50 41 47 45 5F 53 49 5A 45 21 0D 0A

[2026-09-09 14:16:19.742]# RECV ASCII/51 <<<
Error: flashDataLen is more than FLASH_PAGE_SIZE!

[2026-09-09 14:16:21.146]# RECV ASCII/10 <<<
ADC: 4095

HLK-LD2402 输入电压不是3.3v吗