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Added Serial.setRxBufferSize method description in libraries reference document (#3862)

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* Added null pointer check

* Fixed typo

* Added Serial.setRxBufferSize method description in libraries reference document
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Alessio Leoncini
2017-11-22 18:30:11 +01:00
committed by Develo
parent 9dcc580aef
commit fecacf167c
3 changed files with 12 additions and 3 deletions
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doc/boards.rst
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@ -58,7 +58,7 @@ This module is sold under many names for around $6.50 on AliExpress and it's one
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 +
According 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.