Flash Download Tool
- download from - https://www.espressif.com.cn/en/support/download/other-tools
ESP8266
SPI Speed
- 40 Mhz
- 80 Mhz
SPI Mode
- QIO
- DIO
- DOUT
NWI1139
SPI = 40Mhz, SPI Mode = DOUT, speed up to 1.5M (1 500 000, for CH340)
NWI1126
ESP32-C3 Factory Mode
- Chip = ESP32-C3
- Mode = Factory
- LoadMode = UART
setup
- Flash Frequency: 40M or 80M
- SPI Mode: QIO or DIO
wiring with USB-TTL cable
- Red = 5V+ Power Supply = pin1 = +5V or VCC
- Green - TXD
- White - RXD
- GND - Ground
Common Error
5-chip efuse check fail
Upload
ESP32-C3
- flash speed 80M
- flash mode DIO
