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Updated Sonoff Basic (markdown)

Michael Ingraham 2019-04-29 15:02:29 -04:00
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Sonoff-Basic.md

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### New Board Layout ### New Board Layout
Around November 2018, Itead changed the layout of the Sonoff Basic ([Discussion #4515](https://github.com/arendst/Sonoff-Tasmota/issues/4515)). The new board is labeled with "Sonoff RF R2 POWER V1.0". Around November 2018, Itead changed the layout of the Sonoff Basic ([Discussion #4515](https://github.com/arendst/Sonoff-Tasmota/issues/4515)). The new board is labeled with "Sonoff RF R2 POWER V1.0".
The new version of the Sonoff Basic use an ESP8285 with the 1MB flash integrated into the same SoC chip. The new version of the Sonoff Basic uses an ESP8285 with the 1MB flash integrated into the same SoC chip.
GPIO14 is no longer broken out to a contact on the PCB. Instead you can use GPIO2 labeled as `IO2` on the board. _**You must take care that GPIO2 is not being pulled low when the device is booting**_. Otherwise, the device will not boot into its regular operational mode. You may wish to [use GPIO3 instead](https://www.youtube.com/watch?v=yavDqDzRdUk). It does not have any boot function restrictions. However, both of these GPIO are pulled high momentarily after boot. This means that any connected device may "blink" when the Sonoff is powering up. GPIO14 is no longer broken out to a contact on the PCB. Instead you can use GPIO2 labeled as `IO2` on the board. _**You must take care that GPIO2 is not being pulled low when the device is booting**_. Otherwise, the device will not boot into its regular operational mode. You may wish to [use GPIO3 instead](https://www.youtube.com/watch?v=yavDqDzRdUk). It does not have any boot function restrictions. However, both of these GPIO are pulled high momentarily after boot. This means that any connected device may "blink" when the Sonoff is powering up.