diff --git a/esp8266/README.md b/esp8266/README.md index f1136f32d8..3518cedd54 100644 --- a/esp8266/README.md +++ b/esp8266/README.md @@ -70,3 +70,19 @@ $ make PORT=/dev/ttyUSB0 deploy ``` The image produced is `firmware-combined.bin`, to be flashed at 0x00000. + +Troubleshooting +--------------- + +While the port is still in alpha, it's known to be generally stable. If you +experience strange bootloops, crashes, lockups, here's a list to check against: + +- You didn't erase flash before programming MicroPython firmware. +- Firmware can be occasionally flashed incorrectly. Just retry. Recent + esptool.py versions have --verify option. +- Power supply you use doesn't provide enough power for ESP8266 or isn't + stable enough. +- A module/flash may be defective (not unheard of for cheap modules). + +Please consult dedicated ESP8266 forums/resources for hardware-related +problems.