I then tried to flash lobo's firmware but esptool.py fails to make a connection.ets Jun 8 2016 00:22:57
rst:0x1 (POWERON_RESET),boot:0x3b (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0xee
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:1
load:0x3fff0010,len:4
load:0x3fff0014,len:708
load:0x40078000,len:0
load:0x40078000,len:11460
entry 0x400789f4
Initializing SD card...initialization done.
OVERLAYS/
AKKORD~1.DTB 1130
README 45844
ADAU19~1.DTB 1411
ADS784~1.DTB 2426
BMP085~1.DTB 449
AT86RF~1.DTB 1668
AUDIOI~1.DTB 787
BOOMBE~1.DTB 1023
BOOMBE~2.DTB 783
DHT11~1.DTB 983
DPI24~1.DTB 789
DWC-OT~1.DTB 423
DWC2~1.DTB 908
ENC28J~1.DTB 1403
GPIO-I~1.DTB 1056
GPIO-P~1.DTB 901
HIFIBE~1.DTB 779
HIFIBE~2.DTB 655
HIFIBE~3.DTB 1358
HIFIBE~4.DTB 783
HY28A~1.DTB 2468
HY28B~1.DTB 2939
I2C-GP~1.DTB 819
I2C-MU~1.DTB 2185
I2C-PW~1.DTB 644
I2C-RT~1.DTB 2089
I2C0-B~1.DTB 1182
I2C1-B~1.DTB 854
I2S-GP~1.DTB 343
I2S-MM~1.DTB 263
IQAUDI~1.DTB 1015
IQAUDI~2.DTB 1015
LIRC-R~1.DTB 1348
MCP251~1.DTB 1833
MCP251~2.DTB 1833
MMC~1.DTB 1053
MZ6158~1.DTB 2850
PI3-AC~1.DTB 569
PI3-DI~1.DTB 810
PI3-MI~1.DTB 1097
PISCRE~1.DTB 2713
PISCRE~2.DTB 2617
PITFT2~1.DTB 1544
PITFT2~2.DTB 2385
PITFT2~3.DTB 2802
PPS-GP~1.DTB 967
PWM-2C~1.DTB 1148
PWM~1.DTB 1037
QCA700~1.DTB 1315
RASPID~1.DTB 965
RPI-BA~1.DTB 489
RPI-DA~1.DTB 671
RPI-DI~1.DTB 2524
RPI-FT~1.DTB 462
RPI-PR~1.DTB 771
RPI-SE~1.DTB 893
SDHOST~1.DTB 879
SDIO-1~1.DTB 1682
SDIO~1.DTB 1728
SDTWEA~1.DTB 699
SMI-DE~1.DTB 376
SMI-NA~1.DTB 1508
SMI~1.DTB 981
SPI-GP~1.DTB 666
SPI1-1~1.DTB 1547
SPI1-2~1.DTB 1920
SPI1-3~1.DTB 2293
SPI2-1~1.DTB 1547
SPI2-2~1.DTB 1920
SPI2-3~1.DTB 2293
TINYLC~1.DTB 4878
UART1~1.DTB 980
VC4-KM~1.DTB 2159
VGA666~1.DTB 758
W1-GPI~1.DTB 1215
W1-GPI~2.DTB 1080
WITTYP~1.DTB 1080
BCM270~1.DTB 13328
COPYIN~1.LIN 18693
LICENC~1.BRO 1494
BCM270~4.DTB 14411
BCM270~2.DTB 13065
BCM270~3.DTB 13101
ISSUE.TXT 145
TEST.TXT 28
BCM271~1.DTB 15081
BOOTCODE.BIN 17932
CMDLINE.TXT 113
CONFIG.TXT 1659
FIXUP.DAT 6480
FIXUP_CD.DAT 2509
FIXUP_DB.DAT 9713
FIXUP_X.DAT 9713
KERNEL.IMG 4122560
KERNEL7.IMG 4224096
START.ELF 2743224
START_CD.ELF 615896
START_DB.ELF 4934920
START_X.ELF 3887400
LICENS~1.ORA 18974
SYSTEM~1/
INDEXE~1 76
QRNG_V~1.BRD 73556
Hello world!
Hello world!
Hello world!
done!
I tried to flash official esp32 firmware and erase firmware, same error, so it's esptool.py that couldn't connect. I wonder if the board is defective. I bought it here:esptool.py --chip esp32 --port COM5 --baud 921600 --before default_reset --after no_reset write_flash -z --flash_mode dio --flash_freq 40m --flash_size detect 0x1000 bootloader/bootloader.bin 0xf000 phy_init_data.bin 0x10000 MicroPython.bin 0x8000 partitions_mpy.bin
esptool.py v2.1
Connecting........_____....._____....._____....._____....._____....._____....._____....._____....._____....._____
A fatal error occurred: Failed to connect to ESP32: Timed out waiting for packet header
https://www.banggood.com/Wemos-TTGO-T8- ... rehouse=CN
But it actually looks like this:
https://www.aliexpress.com/item/TTGO-T8 ... autifyAB=5