May 6, 2019 · The ESP8266 comes with 33 GPIOs with multiple functions. This article is a simple and easy to follow reference guide for the ESP8266 NodeMCU GPIOs.

Apr 22, 2020 · NodeMCU is an open-source Lua based firmware and development board specially targeted for IoT based Applications. It includes firmware that runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware which is based on the ESP-12 module. NodeMCU has four pins available for SPI communication.

Feb 9, 2022 · Link to the pinout image v3. NodeMCU v3 (esp8266) details. The NodeMCU project begins in October 2014 shortly after the release of Espressif Systems’ ESP8266 module, when Hong releases the first files of the future NodeMCU firmware on GitHub.

Sep 20, 2024 · Complete information on ESP-12E Pinout and NodeMCU Pinout. Pin Description, peripherals, available GPIO Pins, Power, UART. SPI, I2C.

Mar 23, 2024 · NodeMCU esp8266 wifi module is an open-source, low-cost, low-power MCU (microcontroller unit) development board. It has 17 GPIO pins (11 are Digital I/O pins), out of which one pin is an analog pin, 4 pins support PWM, 2 pairs are for UART (UART0 and UART1), and supports 1x SPI and 1x I2C protocol.

The ESP8266 NodeMCU has 17 GPIO pins that can be assigned different functions by programming the appropriate registers. Each GPIO can be configured with internal pull-up or pull-down, or set to high impedance.

Jun 25, 2023 · You can use the NodeMCU pinout to its maximum capacity for your applications by becoming familiar with the various pins and their functions. The NodeMCU is a fantastic option for IoT prototyping and development, regardless of whether you are a novice or an expert developer.