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Widok
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03/07/2021 10:20 am
Topic starter
gpio, how to
DOMOTICZ / MQTT
1 Answer
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03/07/2021 10:33 am
Topic starter
- Connect RX/TX/GND/3.3V from USB TO TTL
- Desolder R21 (it's just 0 ohm resistor, wire)
- Solder R3 (bulb, wire, 0 ohm resistor)
- Download https://github.com/espressif/esptool/releases
- Press button on Slampher, power on (only from 3.3V, don't connect high power!), connect USB to TTL (use different timing combinations with command below)
- Determine FLASH SIZE and ID
esptool.py --port COM5 flash_id
- Backup is impossible (don't know why) becaue you got
A fatal error occurred: Corrupt data, expected 0x1000 bytes but received 0xfff bytes
- Just skip backup and erase flash
esptool.py --port COM5 erase_flash
- Download TASMOTA (alternative firmware) https://github.com/arendst/Tasmota/releases/
- download tasmota-MY_COUNTRY_.bin (<1MB)
- Upload new Firmware
esptool.py --port COM5 write_flash -fs 1MB -fm dout 0x0 sonoff.bin
- After that, desolder R3 and solderback again R21
- Done. Now there will be new Wireless avaible (Slampher Access Point), connect, configure, visit http://192.168.4.1
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