Ok. Халявщик пишет по пунктам.
Подключаю напрямую по USB
dmesg
[94537.508204] usb 5-2: USB disconnect, device number 3
[94537.508739] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[94537.508799] ch341 5-2:1.0: device disconnected
В сислоге пусто.
lsusb
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 002: ID 0b05:1712 ASUSTek Computer, Inc. BT-183 Bluetooth 2.0+EDR adapter
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 1c4f:0034 SiGma Micro
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 04f2:b012 Chicony Electronics Co., Ltd 1.3 MPixel UVC Webcam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Подключаю через переходник
vcc-vcc
gnd-gnd
rx-tx
tx-rx
dmesg
[95389.852062] usb 6-2: new full-speed USB device number 4 using uhci_hcd
[95390.246095] usb 6-2: New USB device found, idVendor=1a86, idProduct=7523
[95390.246099] usb 6-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[95390.246101] usb 6-2: Product: USB2.0-Serial
[95390.249563] ch341 6-2:1.0: ch341-uart converter detected
[95390.255187] usb 6-2: ch341-uart converter now attached to ttyUSB0
ls -l /dev/ttyUSB*
crw-rw-rw- 1 root dialout 188, 0 июн 10 09:51 /dev/ttyUSB0
syslog
Jun 10 09:55:28 nb1 kernel: [95601.326298] ch341 6-2:1.0: ch341-uart converter detected
Jun 10 09:55:28 nb1 kernel: [95601.332311] usb 6-2: ch341-uart converter now attached to ttyUSB0
Jun 10 09:55:28 nb1 mtp-probe: checking bus 6, device 5: "/sys/devices/pci0000:00/0000:00:1d.1/usb6/6-2"
name="/sys/devices/pci0000:00/0000:00:1d.1/usb6/6-2/busnum" pid=25006 comm="TaskSchedulerFo" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
name="/sys/devices/pci0000:00/0000:00:1d.1/usb6/6-2/devnum" pid=25006 comm="TaskSchedulerFo" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
Jun 10 09:55:29 nb1 snapd[808]: hotplug.go:193: hotplug device add event ignored, enable experimental.hotplug
Jun 10 09:55:29 nb1 upowerd[1455]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:1d.1/usb6/6-2/6-2:1.0
Jun 10 09:55:29 nb1 upowerd[1455]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:1d.1/usb6/6-2
На первый взгляд все норм.
Что бы не изгаляться и никого не запутывать, запускаю терминал в Arduino ide.
Нажимаю ресет.
sd$⸮⸮|⸮l⸮|⸮l⸮c|⸮⸮⸮⸮;⸮c⸮c⸮⸮g'⸮lno⸮⸮⸮bx⸮l;l{lx⸮o⸮⸮d#g⸮|⸮⸮#⸮⸮no⸮$⸮⸮l`⸮god`gs⸮ۓnۓ$`p⸮g⸮s⸮⸮⸮⸮⸮cn⸮|⸮Ǐ⸮#⸮⸮no⸮d`⸮o'l`o;Ǜ⸮'⸮l8⸮o⸮;⸮⸮⸮⸮⸮⸮l#g⸮|⸮⸮⸮c⸮⸮gn⸮l`⸮ogl`'{⸮⸮⸮g⸮l s⸮⸮'⸮d`;l⸮⸮o܄⸮'o߄⸮⸮{no'⸮d⸮#⸮$⸮⸮l⸮⸮⸮⸮⸮⸮ldl?{l⸮⸮lllg⸮⸮⸮d⸮dld⸮⸮$⸮⸮n⸮⸮o⸮⸮o⸮⸮l$⸮⸮c⸮$dpc⸮crÄ⸮$`ol⸮8⸮⸮l cd`$⸮⸮'⸮g⸮⸮⸮ol⸮|cll`sd⸮⸮⸮⸮'⸮{⸮⸮n<⸮$d⸮⸮l⸮⸮;⸮d⸮d⸮d`⸮⸮r⸮l⸮$⸮l`⸮⸮s⸮l⸮⸮⸮ll`{l⸮⸮{l⸮⸮⸮c⸮⸮c⸮c#;⸮s#⸮⸮n⸮og⸮l⸮⸮l⸮d⸮⸮dl⸮⸮⸮⸮⸮⸮d⸮g⸮⸮⸮⸮b$d⸮sp⸮⸮⸮cl⸮csdrl
ready
Ни на какие AT команды рекции никакой, пробовал разные скорости и да, стоит новая строка+возврат каретки 115200 8n1
C ESP32 схема подключения такая же
вывод терминала
⸮ׁJun⸮8⸮&⸮⸮ 0Ғ⸮⸮5⸮CaHH⸮⸮:0⸮ ⸮⸮]⸮RO⸮%UMQ),⸮⸮⸮i0xL&BA%⸮F⸮*⸮e1MH_⸮⸮Q%
⸮⸮˥⸮⸮ip⸮⸮bSPR⸮⸮x⸮j⸮,k⸮E⸮⸮:0⸮⸮b⸮}⸮⸮v:⸮⸮⸮ }⸮rv'⸮⸮0,⸮.⸮⸮rv'⸮⸮0,⸮⸮E⸮v:⸮⸮0,w⸮E⸮⸮:⸮⸮0C⸮닕⸮DI⸮ ⸮oc-"⸮⸮:⸮C!⸮+⸮⸮0x⸮⸮⸮A00bb⸮n:⸮C!⸮+⸮i0x&⸮⸮00⸮bb⸮n:&⸮j
⸮+⸮i0x⸮⸮⸮0⸮bb⸮n:⸮⸮*
⸮⸮t⸮Z⸮⸮ ⸮⸮A4⸮!⸮+⸮⸮0x4⸮⸮00⸮⸮⸮:2⸮⸮H⸮⸮⸮⸮y ⸮Ѱ⸮34C⸮[0;32mI (45) boot: ESP-IDF v2.0-3-gbef9896 2nd stage bootloader[0m
[0;32mI (46) boot: compile time 05:59:45[0m
[0;32mI (46) boot: Enabling RNG early entropy source...[0m
[0;32mI (64) boot: SPI Speed : 40MHz[0m
[0;32mI (77) boot: SPI Mode : DIO[0m
[0;32mI (89) boot: SPI Flash Size : 4MB[0m
[0;32mI (102) boot: Partition Table:[0m
[0;32mI (113) boot: ## Label Usage Type ST Offset Length[0m
[0;32mI (136) boot: 0 phy_init RF data 01 01 0000f000 00001000[0m
[0;32mI (159) boot: 1 otadata OTA data 01 00 00010000 00002000[0m
[0;32mI (182) boot: 2 nvs WiFi data 01 02 00012000 0000e000[0m
[0;32mI (206) boot: 3 at_customize unknown 40 00 00020000 000e0000[0m
[0;32mI (229) boot: 4 ota_0 OTA app 00 10 00100000 00180000[0m
[0;32mI (252) boot: 5 ota_1 OTA app 00 11 00280000 00180000[0m
[0;32mI (275) boot: End of partition table[0m
[0;32mI (289) boot: Disabling RNG early entropy source...[0m
[0;32mI (305) boot: Loading app partition at offset 00100000[0m
[0;32mI (1481) boot: segment 0: paddr=0x00100018 vaddr=0x00000000 size=0x0ffe8 ( 65512) [0m
[0;32mI (1482) boot: segment 1: paddr=0x00110008 vaddr=0x3f400010 size=0x1c5f0 (116208) map[0m
[0;32mI (1498) boot: segment 2: paddr=0x0012c600 vaddr=0x3ffb0000 size=0x0215c ( 8540) load[0m
[0;32mI (1528) boot: segment 3: paddr=0x0012e764 vaddr=0x40080000 size=0x00400 ( 1024) load[0m
[0;32mI (1552) boot: segment 4: paddr=0x0012eb6c vaddr=0x40080400 size=0x1b028 (110632) load[0m
[0;32mI (1630) boot: segment 5: paddr=0x00149b9c vaddr=0x400c0000 size=0x00034 ( 52) load[0m
[0;32mI (1631) boot: segment 6: paddr=0x00149bd8 vaddr=0x00000000 size=0x06430 ( 25648) [0m
[0;32mI (1648) boot: segment 7: paddr=0x00150010 vaddr=0x400d0018 size=0x7a56c (501100) map[0m
[0;32mI (1675) heap_alloc_caps: Initializing. RAM available for dynamic allocation:[0m
[0;32mI (1698) heap_alloc_caps: At 3FFBA6B8 len 00025948 (150 KiB): DRAM[0m
[0;32mI (1719) heap_alloc_caps: At 3FFE8000 len 00018000 (96 KiB): D/IRAM[0m
[0;32mI (1740) heap_alloc_caps: At 4009B428 len 00004BD8 (18 KiB): IRAM[0m
[0;32mI (1761) cpu_start: Pro cpu up.[0m
[0;32mI (1773) cpu_start: Single core mode[0m
[0;32mI (1786) cpu_start: Pro cpu start user code[0m
[0;32mI (1846) cpu_start: Starting scheduler on PRO CPU.[0m
[0;32mI (1944) uart: queue free spaces: 10[0m
Bin version:0.10.0
I (1945) wifi: wifi firmware version: c604573
I (1945) wifi: config NVS flash: enabled
I (1946) wifi: config nano formating: disabled
I (1954) wifi: Init dynamic tx buffer num: 32
I (1955) wifi: wifi driver task: 3ffc4f34, prio:23, stack:3584
I (1960) wifi: Init static rx buffer num: 10
I (1964) wifi: Init dynamic rx buffer num: 0
I (1968) wifi: Init rx ampdu len mblock:7
I (1972) wifi: Init lldesc rx ampdu entry mblock:4
I (1977) wifi: wifi power manager task: 0x3ffca2dc prio: 21 stack: 2560
I (1983) wifi: wifi timer task: 3ffcb35c, prio:22, stack:3584
[0;31mE (1988) phy_init: PHY data partition validated[0m
[0;32mI (2012) phy: phy_version: 329, Feb 22 2017, 15:58:07, 0, 0[0m
I (2012) wifi: mode : softAP (cc:50:e3:b6:6f:e5)
I (2015) wifi: mode : sta (cc:50:e3:b6:6f:e4) + softAP (cc:50:e3:b6:6f:e5)
I (2019) wifi: mode : softAP (cc:50:e3:b6:6f:e5)
Подключение через ардуино.
На ардуине
RST-GND
Схема
GND-GND
5v-VCC
RX-RX
TX-TX
Повторять не буду, все ровно один в один.
Еще раз скажу, другие контроллеры работают без проблем.
Спасибо