Questions tagged [esp8266]
An IC that offers Wi-Fi networking compatible with b/g/n standards. It also has integrated TCP/IP protocol stack. Extremely popular along IoT community as a low cost and powerful board.
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Using ESP8266 to program Arduino by serial comm
Since the ESP8266 can self program on Wifi, can we use it to program Arduino too with the binary sent via Wifi? My Arduino is connected with Reset + RX + TX pins and shared power.
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Clutch pull ring to disengage gear motor [closed]
How to disengage a gear motor for manually turning a valve using clutch pull ring?
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Controlling a gear motor turn a valve handle [closed]
How to make the gear motor to turn only from 0 degrees to 90 degrees and back to 0 degrees?
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ESP8266, Arduino IDE vs Lua?
I'm planning to buy an ESP8266. Do I really need to learn Lua to play with it? I have seen some people using it with the standard Arduino IDE.
Do you need a custom firmware to use the Arduino IDE ...
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Error trying to play audio through an ESP8266 using the 'ESP8266Audio' library
I am attempting to use an esp8266 to play an .mp3 audio file through a connected speaker using the 'ESP8266Audio' library.
I have tested that the hardware setup is correct (e.g. I have been able to ...
CommunityBot
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Trouble connecting Uno + ESP8266 to Wifi
I am trying to build a simple project to get data from a web server and display it, using an Arduino Uno R3 clone with integrated ESP8266 wifi.
What I have so far:
The ESP8266 attempts to connect to ...
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SdFat.h pin selection ESP8266
This super simple code, that saves data to a csv file, works perfectly fine on my Arduino Uno (I am using the default SPI pins).
However, for my project I need to use an ESP8266. Does the library ...
CommunityBot
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esp_now_send takes a non-const uint8 mac address. Why? Does it modify it in some way?
I am using the Arduino IDE to do ESP-NOW communication with an ESP8266.
In espnow.h, on line 53 I find the function prototype:
int esp_now_send(u8 *da, u8 *data, int len);
Why does it take the mac ...
CommunityBot
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ESP8266 + TFT SPI ST7796S - Touch and Display not working together
I am trying to get the touch screen and display working on my ESP8266 + TFT ST7796S. However, only one of them works at a time.
Below is my pin configuration:
Function
Device
NodeMCU Pin
GPIO
TFT_CS
...
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ESP-NOW works with broadcast but doesn't work with unicast
I'm using the Arduino IDE to program ESP8266 to communicate with each other using ESP-NOW.
If I call esp_now_send with the broadcast MAC address (FF:FF:FF:FF:FF:FF), the message is sent and the slave ...
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Turn ESP8266 into an Arduino IDE-like "sketch uploader" (over hardware serial)
I have an ESP8266 module which has downloaded a hex file for an Arduino Mega2560. This hex file (call it mega2560.hex) is sitting in the ESP's SPIFFS file system. What I want to do is basically ...
CommunityBot
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5V DC pump connected to relay on nodemcu esp8266 running non stop
I using a nodemcu v2 esp8266 for my automatic watering system. I used 3v - 5v DC pump for the watering system. The pump is controlled based on the soil moisture level ( or Blynk ). When the code was ...
CommunityBot
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NodeMCU keeps disconnecting
I have made a home automation system consisting of a NodeMCU, 4 channel relay board running on Blynk and IFTTT.
At the moment I'm only controlling a string of fairy lights and two LED strips from it, ...
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Servo starts spinning 360 degrees after a few minutes
I'm using my ESP8266 as a web server to tilt a camera with the servo Tower Pro Micro Servo 9G.
#include <Servo.h>
#include <ESP8266WiFi.h>
const char* ssid = "SSID";
const ...
CommunityBot
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ESP8266-01S Stopped responding after second launch
Here's the code:
#include <SoftwareSerial.h>
#define RX 6
#define TX 5
String AP = "...";
String PASS = "...";
SoftwareSerial esp8266(RX,TX);
void setup() {
Serial.begin(9600);
Serial....
CommunityBot
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