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ESP8266 Wifi Nodemcu
- 1. http://aicra.ac.in NODEMCU An Open Source IOT Platform
- 2. NODEMCU | Overview The NodeMcu is an open-source firmware and development kit that helps you to Prototype your IOT product within a few Lua script lines. Power: Input Voltage : 3.3V DC Current : 250mA Memory: RAM 32Kb DRAM 80Kb Flash 200Kb
- 3. NODEMCU | What is it? An Arduino-like device Main component: ESP8266 With programmable pins And built-in wifi Power via USB Low cost The NodeMCU (Node MicroController Unit) is an open source software and hardware development environment that is built around a very inexpensive System-on-a-Chip (SoC) called the ESP8266.
- 4. NODEMCU | What you can do with it? Program it via C or LUA Access it via wifi (ex. HTTP) Connect pins to any device (in or out)
- 5. http://aicra.ac.in NODEMCU | MAIN COMPONENT
- 6. http://aicra.ac.in NODEMCU | PIN DESCRIPTION
- 7. http://aicra.ac.in NODEMCU | ESP8266 ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor. ESP8266 has powerful on-board processing and storage capabilities that allow it to be integrated with the sensors specific devices through its GPIOs with minimal development up-front and minimal loading during runtime.
- 8. http://aicra.ac.in NODEMCU | ESP8266 PINOUT
- 9. NODEMCU | Features Open-source Interactive Programmable Low cost Simple Smart WI-FI enabled
- 10. http://aicra.ac.in NODEMCU | Features I/O Pins: Digital Pins: Pin D0 Pin D10 Digital Pins PWM Pins : 12 PWM Pins Analog Pins : Pin A0 Power PINS Ground : 5 Pins 3.3V : 3 Vin Pin : 1 Adding external supply of +5V (is not connected to USB)
- 11. http://aicra.ac.in NODEMCU | Specifications The Development Kit based on ESP8266, integrates GPIO, PWM, IIC, 1-Wire and ADC all in one board. USB-TTL included, plug&play 10 GPIO, every GPIO can be PWM, I2C, 1-wire USB-TTL included, plug & play PCB antenna
- 12. http://aicra.ac.in NODEMCU | Getting started Install the Arduino IDE: https://www.Arduino.cc/en/Main/Software Install the ESP8266 Addon Go!
- 13. Sample code led blink void setup() { pin Mode(13, OUTPUT); // initialize digital pin 13 as an output. } void loop() // the loop function runs over and over again forever. { digital Write(13, HIGH); // turn the LED on (HIGH is the voltage level) delay(1000); // wait for a second digitalWrite(13, LOW); // turn the LED off by making the voltage LOW delay(1000); // wait for a second }