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Revert f1c5c3c3997cbb9d9134a61a382bd661121cd458...b8462bf061585471b1c615c7e4b548dbed05b640 on Sonoff iFan02

blakadder 2019-05-15 13:15:16 +02:00
parent e21cafea7e
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Sonoff-iFan02.md

@ -19,32 +19,14 @@ If you have an Arduino you may be able to flash without providing an additional
An easy way that I used for flashing was using a CP2102 USB to TTL(can't confirm if other ttl to usb works as well or not). Connect RX -> TX | 3.3 -> 3.3 | TX -> RX | GND -> GND and connect TP16 to GND (as used in the TTL).
Press hold the button while connecting to the computer. I flashed the tasmota bin file using ESP Flash tool, flashed successfully at first attempt.
*************
The FTDI232-1 USB to serial interface works fine for the flashing operation (Hold the GPIO0 to GND whilst connecting the USB to the computer then disconnect GPIO0 from GND and proceed to flashing). You should transfer to mains power to test the module.
************
Images
https://drive.google.com/open?id=1wTlpXhFoSty7vdHFppUUrNNYyMt2x-HV
https://drive.google.com/open?id=1owDW6DCnJHxNdx1VN6ohmqGqdKE73CQm
## Flashing with TTL and without connecting mains power
*************
You can provide the needed power to your IFAN2 by wiring 2 AA batteries in series to provide the needed 3.3 volts.
Steps:
1. Build battery pack by connecting 2 AA batteries in series
2. Connect RX, TX, and GND on J2
3. Connect GND from battery pack to J3
4. Hold extra ground wire to GPIO0
5. Hold down reset button
6. Connect positive wire from battery pack
7. Unplug and plug back in the USB TTL device so your pc recognizes it
8. Lift wire from GPIO0 and release reset button
9. Flash device
![](https://photos.google.com/u/1/photo/AF1QipN7A6BTpPZADBVaI3rC4lRIfg5ljWIWD7_cH-1l)
![](https://photos.google.com/u/1/photo/AF1QipPO_zQl8FGeNNj9qK8OZJQWWlS0Zz01t4uJRJpc)
![](https://photos.google.com/u/1/photo/AF1QipPGDNs8duMIsmicqwyi_slux81hcez-KsiNS-TR)
* See issue [#2839](https://github.com/arendst/Sonoff-Tasmota/issues/2839) for user information
* See issue [#3412](https://github.com/arendst/Sonoff-Tasmota/issues/3412) light on after restore power
## Pictures