![Arduino-er: Control GPIOs of NodeMCU (ESP8266) with ESP8266 core for Arduino, to read Buttons and write LEDs Arduino-er: Control GPIOs of NodeMCU (ESP8266) with ESP8266 core for Arduino, to read Buttons and write LEDs](https://2.bp.blogspot.com/-GqkOu63_ZpU/WSURSCaL1vI/AAAAAAAAVKE/d0HIInTzyxUqKS2Kv5koSQ9SP5s9aExuACLcB/s1600/NodeMCU_GPIO.png)
Arduino-er: Control GPIOs of NodeMCU (ESP8266) with ESP8266 core for Arduino, to read Buttons and write LEDs
![X \ Luc Volders در توییتر: «The right value for a pull-up or pull-down resistor gives you much better results and is important for your #arduino @arduino and #esp8266 @esp8266 projects. Read X \ Luc Volders در توییتر: «The right value for a pull-up or pull-down resistor gives you much better results and is important for your #arduino @arduino and #esp8266 @esp8266 projects. Read](https://pbs.twimg.com/media/DQAGLCCXUAwazA4.jpg)
X \ Luc Volders در توییتر: «The right value for a pull-up or pull-down resistor gives you much better results and is important for your #arduino @arduino and #esp8266 @esp8266 projects. Read
![esp8266 - Why does the DS18B20 temperature sensor require a stronger pull-up resistor when Node MCU is powered through the Vin pin? - Electrical Engineering Stack Exchange esp8266 - Why does the DS18B20 temperature sensor require a stronger pull-up resistor when Node MCU is powered through the Vin pin? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/xrCap.png)