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Added NodeMCU 1.0

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Lorenzo Cafaro 2015-08-07 00:14:27 +02:00
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doc/boards.md
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@ -39,7 +39,15 @@ If you want to use NodeMCU pin 5, use D5 for pin number, and it will be translat
### NodeMCU 1.0 <a name="nodemcu-1-0"></a>
*TODO: add notes*
This module is sold under many names for around $6.50 on AliExpress and it's one of the cheapest, fully integrated ESP8266 solutions.
It's an open hardware design with an ESP-12E core and 4 MB of SPI flash.
Acording to the manufacturer, "with a micro USB cable, you can connect NodeMCU devkit to your laptop and flash it without any trouble". This is more or less true: the board comes with a CP2102 onboard USB to serial adapter which just works, well, the majority of the time. Sometimes flashing fails and you have to reset the board by holding down FLASH + RST, then releasing FLASH, then releasing RST. This forces the CP2102 device to power cycle and to be re-numbered by Linux.
The board also features a NCP1117 voltage regulator, a blue LED on GPIO16 and a 220k/100k Ohm voltage divider on the ADC input pin.
Full pinout and PDF schematics can be found [here](https://github.com/nodemcu/nodemcu-devkit-v1.0)
### Olimex MOD-WIFI-ESP8266-DEV