my board used dcdc XL1509 150KHZ ,max 2A
1: I used USB TTL 3.3V + ESP32-C6-WROOM-1 module test faild;
2: I used my board 3.3V + ESP32-C6-WROOM-1 module faild
3: I used my board 3.3V link to ESP32-C6-DevKitC(no 5V) test ok


In other words, the 3.3V itself seems solid, but you may be lacking ...

What power supply (LDO) is on your board? What 3.3V decoupling do you use? I suspect your power supply is inadequate, causing the board to brown out and reset.

my board used dcdc XL1509 150KHZ ,max 2A
1: I used USB TTL 3.3V + ESP32-C6-WROOM-1 module test faild;
2: I used my board 3.3V + ESP32 ...

从淘宝买了另一种模块，放上去是OK的。
不知道为什么。

use other module OK。
but why?

file.png
log
ESP-ROM:esp32c6-20220919
Build:Sep 19 2022
rst:0x1 (POWERON)üÑé0xc (SPI_FASüESP-ROM:esp32c6-20220919
Build:Sep 19 2022
rst:0x1 (POWERON),boot:0xc (SPI_FAST_FLASH_BOOT)
SPIWP:0xee
mode:DIO, clock div:1
load:0x4086c410,len:0xd2c
load:0x4086e610,len:0x2df0
load:0x40875728,len:0x17d8
SHA ...

完整日志如下
ESP-ROM:esp32c6-20220919
Build:Sep 19 2022
rst:0x1 (POWERON)üÑé0xc (SPI_FASüESP-ROM:esp32c6-20220919
Build:Sep 19 2022
rst:0x1 (POWERON),boot:0xc (SPI_FAST_FLASH_BOOT)
SPIWP:0xee
mode:DIO, clock div:1
load:0x4086c410,len:0xd2c
load:0x4086e610,len:0x2df0
load:0x40875728,len:0x17d8
SHA-256 ...

esp32作为AT通信模块放到板上。
QQ图片20240926234841.png
启动后一直报如下日志，模块并没有重启，AT功能也没有启动。只是一直重复报这个。
放在烧录架上功能正常。

ESP-ROM:esp32c6-20220919
Build:Sep 19 2022
rst:0x7 (TG0_WDT_HPSYS),boot:0xc (SPI_FAST_FLASH_BOOT)
Saved PC:0x4001aa16
SPIWP:0xee
mode:DIO, clock div:1
load:0x4086c410,len:0xd2c
ets_loader.c 68
ESP-ROM ...