Questions tagged [esp8266]
For questions about the ESP8266 microcontroller unit, including programming it or using it in an IoT context.
123
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Standards for non-Internet-connected WiFi devices?
I'm planning to do a lot of home automation. For that I will host a private isolated WiFi network to which all my devices will be connected to. The devices will be simple lights, RGB LED strips (...
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Controlling ESP8266 via Raspberry Pi through MQTT
I am working on a home automation project. The basic objective of my project is to control relays and other sensors located at different locations. I have set up my Raspberry Pi as an MQTT broker. ...
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Can I enable interrupts on GPIO16 of ESP8266?
Usually, the gpio16 is not used as gpio.
But we can read the state or change the state by writing directly to the registers.
WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) &...
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Can I use an ESP8266 as an MQTT broker?
I am making a home automation project based on star topology. What I am trying to achieve is that one of the nodemcu/ESP8266 acts as a server which is accessible for the outside world and other ...
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Call home network IP from anywhere
I'm trying to connect with my NodeMCU through internet using a web app developed by me, what I already achieved was to control it through wifi in the same network using a static IP (which still wasn't ...
7
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1
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How to issue commands to IoT devices within WiFi Network
I have an IoT device that is connected to a WiFi network. Currently, the IoT device runs a small HTTP server, and send RF signals when it receives POST requests via the internet from HTTP clients. ...
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ESP8266 Mesh Network Root Node
I am working on a mesh network based on ESP8266 and it all seems to be working fine using sample code from EasyMesh by Coopdis. In his/her example, 3 ESP8266's enroll in the mesh and serves a simple ...
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Alexa cannot identify Fauxmo and ESP8266
I'm trying to control an ESP8266 using fauxmo. The programme compiles correctly, but when I run the Alexa app to find devices the ESP doesn't show up.
The ESP is definitely connected to my home ...
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Intercom ring notifier with ESP8266
My project idea is to attach "something" to my Intercom and when it receives an electric signal (someone rings the door bell), contact a local web service in a home server and that server sends a push ...
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ESP8266 Without Web Page
Can I send data to an ESP8266 without creating a web server?
I am accessing the GPIO pins of ESP8266 through a web server. Now I want to make an Android app for that. So I want to send data to the ...
8
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ESP12-E Video Streaming window, text and buttons are not displayed as expected
I have an arducam mini 2MP camera connected to an ESP8266 (12-E) module and I am trying to implement video streaming inside a window with some text and control buttons around it, all in the same ...
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Getting status from WeMo device using Alexa
I am using an ESP8266 to emulate a WeMo device with wemos and fauxmoESP arduino code found on the internet. Now that I understand the basic interaction of on and off commands, I'd like to add a status ...
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How to write/post files to website server through ESP 8266
I want to know if there is a way to send files to a website with sm ESP 8266 or any other IoT device. I intend that the IoT device will be the client. A PHP or scripting file on the website will act ...
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What is the 'auth token' in Blynk?
In the below Blynk program, they have used the line:
char auth[] = "76aeba5832304e10917b4e1748c34039";
What is mean by the 'auth token'? Why is it required for Blynk to function correctly?
...
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How can I make hostnames accessible?
I am using the Sonoff-Tasmota firmware to configure ESP-8266 devices for my home automation system. These devices log onto the WiFi network and obtain IP addresses via DHCP. The problem is that ...
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How to use telegram api registerDevice for ESP8266?
I can't find any example for this method. I don't want to check the messages via "getMessages" method but want that telegram sends a TCP message to ESP8266, like my mobile or browser receive messages.
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12
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Creating a private subnet by assigning IP's through DHCP
I am using an esp8266 wifi module if that matters. What I intend to do is connect the module to my home router and have other modules connect to this module and form a second layer, and to this second ...
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Sub milisecond timer for ESP8266 in Lua
I'm trying to make a remotely controlled servo motor controller on ESP8266 which is controlled by a server.
The problem I'm facing is how to make an asynchronous timer, like tmr.alarm(), but in ...
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1
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Can't Flash ESP8266 latest firmware, says "Fast Flashing error" and "Invalid head of packet(' ')"
I can't figure out how to flash the firmware found on http://www.electrodragon.com/w/ESP8266_AT-Command_firmware. I am using ESP8266 Download tool v3.4.4. When I am adding a firmware in download path ...
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How to use MQTT on Arduino which uses serial com to send AT commands to ESP8266
I just started looking into MQTT protocol.
Situation
In my college project, currently, I use Arduino as main MCU and do every work in that and use Serial Comm. to send AT commands to esp8266 (for ...
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Is this architecture feasible and flexible?
I'm having a but of trouble making sure my project really is feasible.
What I want to archive:
Control my Senseo coffee machine via internet. It boils down to simply controlling 2 buttons.
First ...
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1
answer
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ESP8266 fast HTTP GET response rate
While starting programming my ESP8266 to get continuously changing data (car position) from a server, I encountered a problem: I can't get the ESP8266 to receive the data from the server more than 3 ...
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ESP8266 with ethernet connection
I was wondering if someone knows a way to convert a ESP8266 to non-WiFi. I.e. have it connected through Ethernet, preferably with PoE possibility.
Reason for asking: My plan is to have sensors in a ...
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