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Connecting and working with Mega +WiFi R3 ATmega2560+ESP8266 (32Mb . . .
Hi Guys, Recently bought a Mega +WiFi R3 ATmega2560+ESP8266 (32Mb memory) from Aliexpress and I wanted to work on a Home Automation Project with all the sensors and modules connected to same Board (in this case, it was going to be Mega) Later on I had plans to log all the values to a database in the cloud I thought, this was going to be as easy as hooking up the board into USB with my PC and
ESP8266 nodeMCU - Displays - Arduino Forum
Hi! I am trying to setup 2 LCDs, 1 by 1, with nodeMCU ESP8266, the first display is LCD1602 address 0x27, the scond is LCD 20x4 address 0x3F, all I get is a blank screen , its light, but no change Pinout: D1 to SCL, D2 to SDA, Vin to VCC, GND to GND #include <LiquidCrystal_I2C h> LiquidCrystal_I2C lcd(0x27, 16, 2); I2C address 0x27, 16 column and 2 rows byte customChar[8] = { 0b00000
Nodemcu ESP8266 WiFi connection - Arduino Forum
Hi everybody, I just bought a Nodemcu ESP8266 Lolin module but when I tried to connect it to a wifi router it wouldn't connect but it could connect to an android hotspot I have searched every topic here but still haven't found the solution I use 2 4ghz WiFi and Wpa2 password protocol
How to read and write EEPROM in ESP8266 - arduino ide
In Arduino you call EEPROM begin(), but in ESP8266 you have to call EEPROM begin(n), where n is the total number of bytes you will need And remember that EEPROM have a short life span (by number of writes)
Conectar a 3. 3v o a 5v? ESP8266 - Hardware - Arduino Forum
Tengo una tarjeta ESP8266 que quiero conectar al arduino Vi unas páginas donde indican cómo usarlo y cómo conectarlo al arduino, y en todas esas páginas dicen que debe conectarse a 3 3 voltios, no a 5 voltios Sin embargo la tarjeta que tengo tiene un letrerito que apunta a la pata Vin: "Vin +5V Recommended +10V MAX" Hay otras tres patas que titulan "3V3" Por eso vengo a preguntar acá
How to power esp8266 ch304 with 18650 li-ion battery
hi i'm new with esp8266, i want to build smoke detector with all of this component (esp8266 ch304, li-ion battery 2600mah 3 7volt, mq2 sensor, buzzer and a fan ( the fan work well with that battery)), how can i power Nodemcu with that li-po battery, did i need to buy some thing else? (i also have 180k 1w resistor)
NodeMCU (ESP8266) + ILI9341 TFT - Arduino Forum
I have added a new example "ESP8266_draw_565_image3" to the first post on this thread, the new example has been modified to work with the new TFT_eSPI library The example is for the nodeMCU (ESP8266) only
esp8266 - How to connect NodeMCU to NRF24L01 - Arduino Stack Exchange
The Dx pin labels on NodeMcu and Wemos Lolin boards do not correspond to esp8266 internal io pin numbers The pins_arduino h file in core defines Dx constants which map internal io numbers to Dx labels Use RF24 myRadio(D7, D8);