Switches Tutorial for Arduino, ESP8266 and ESP32
ESP8266 Using GPIO0/GPIO2/GPIO15 Pins : 4 Steps - Instructables
Very DeepSleep and energy saving on ESP8266 – Part 6: Power DOWN/UP – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
Using the 4 Pins of the ESP8266-01 : 3 Steps - Instructables
ESP8266 - Maker and IOT Ideas
ESP8266 Pinout Reference: Which GPIO pins should you use? | Random Nerd Tutorials
Installing and Building an Arduino Sketch for the $5 ESP8266 Microcontroller - Make:
ESP8266 Relay (active low): how to prevent triggering on boot or reset (SOLVED) - ESPHome - Home Assistant Community
ESP8266 Node MCU board specifications and pins descriptions. Frequently asked questions related to WI-FI board esp8266 node MCU
esp8266 - ESP32: how to keep a pin high during deep sleep (RTC GPIO pull-ups are too weak)? - Electrical Engineering Stack Exchange
Installing ESP8266 Board in the Arduino IDE: Step-by-Step Guide
DS18B20 works only with pin D4 and D3 on nodeMCU....not others - Sensors - Arduino Forum
Arduino-er: Control GPIOs of NodeMCU (ESP8266) with ESP8266 core for Arduino, to read Buttons and write LEDs
How to Show Arduino Sensor Data on a Web Page - Circuit Basics
ESP-01 and ESP-01S How program and use the Pins and Leds
Measure if LED is on with esp8266 and oktocoupler - ESPHome - Home Assistant Community
Ask Hackaday: Is The ESP8266 5V Tolerant? | Hackaday
ESP8266 Pinout Reference: Which GPIO pins should you use? | Random Nerd Tutorials
Pull-up and pull-down resistors on Arduino - ElectroSoftCloud
Reference — ESP8266 Arduino Core 2.5.2 documentation
Switches Tutorial for Arduino, ESP8266 and ESP32
Using ESP8266 GPIO0/GPIO2/GPIO15 pins
Switches Tutorial for Arduino, ESP8266 and ESP32
Hardware design — ESP-FAQ documentation
esp8266 - How to keep a pin LOW for a small amount of time after pushing a button and while device is booting? - Arduino Stack Exchange
GPIO Pins goes "HIGH" a short pulse on boot · Issue #421 · nodemcu/nodemcu-firmware · GitHub
