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Questions tagged [esp8266wifi]

151 questions
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2 answers

How to detect specific devices in a local network?

I am building an IoT solution where I will have multiple devices connected to my local network that I want to connect to a hub that controls my solution. Once I connect a new device I want to connect it with the hub and give it a name to identify…
David Berg
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1 answer

ESP8266 NonOS fails to connect to WiFi network hosted by other ESP8266

I am trying to connect a ESP8266 to a WiFi network hosted by another ESP8266. The problem is the ESP8266 shows the WiFi network during a WiFi scan but fails to connect to it with the error: no espnetwork found, reconnect after 1s. Code for the…
Gus
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Node mcu (1.0) ESP8266 12E doesn't respond after IDLE time in soft AP mode

I am trying to set up node mcu as Access Point with static IP. I am able to connect to the AP using tcp sockets and receive response from it. However, if the client is not connected to it for a certain amount of time, node MCU doesn't respond at…
zero
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NodeMCU keeps running the previous program

After countless days and hours, I finally can upload my sketch into my NodeMCU successfully. But, just after that, I've got another problem. If you've checked my previous post, you'll see I have two sketches. The first one is at my question and the…
Su1010
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2
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1 answer

Wifi does not start after light sleep

I have an application that uses an ESP8266 running ESP_RTOS_SDK version 3.4 and an STM8. It is solar powered, so minimising current consumption is crucial. It works in three modes: between events: the ESP8266 is in deep sleep and the STM8 is…
JavaLatte
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How can one make an ESP8266 connect to WPA2-Enterprise using PEAP instead of EAP-TTLS?

I want to connect an ESP8266 to a WPA2-Enterprise Wifi. When debugging, I see it trying to connect using EAP-TTLS and MSCHAPv2, but it needs to connect using PEAP and MSCHAPv2 (or EAP-TTLS and PAP). From what I have found, PEAP and MSCHAPv2 are…
McLP
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2
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1 answer

Arduino ESP8266 - stack ERROR - ESPExceptionDecoder to debug - need help to find ERROR

i have one project that can ready compiled. The function is break on the hardware an i need help to finde the error. I am a beginner and ask for help. How can I narrow the error down? Platform Hardware: AZDelivery NodeMCU Lua Amica Modul V2 ESP8266…
user11528497
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I try to use ESP8266-12F UART pins RX(D9) and TX(D10), TX works fine but RX interrupt doesn't work

volatile boolean interrupt_occurred = false; #define LED_pin D1 void ICACHE_RAM_ATTR handleInterrupt() { digitalWrite(LED_pin, HIGH); // Interrupt occurred, so turn On LED interrupt_occurred = true; // Record that an interrupt…
Jiaao Liu
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Can i work with ESP32- Dev kit and ESP32-WebCam in a Sender and receiver interface?

I'm new in working with embedded programming and I've got a question that is - "I would like to make a project where if I press a button it should send a 15 seconds video to the contact number mentioned in the program (which I've yet to make. I was…
DEVENDRAN M
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http.GET() sends false (-1) in esp8266 (arduino)

I am trying to fetch some details from an API endpoint (https://bitcoin-ethereum-price-test.vercel.app/btc). But everytime it is returning false (-1). When I GET the endpoint on my browser it is just workign fin, returning 200. http.GET() returns…
emAyush56
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Px matrix library for RGB led matrix 32x16 for total 30 modules for larger display

I am unable to increase the brightness using display.brightness(255) anyone help me regarding this display.begin(8 or 4 or etc...) if i want to keep 30 modules of 32x16 .Am not understanding about scan pattern???? what is…
Dileep Pulluru
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Debugging for esp8266 through jtag?

I am working on esp8266 - NodeMcu. According to the docs from EspressIf, I couldn't find any documentation about Jtag port in Esp8266, so I think Jtag port is not supported in this chip. However, we can debug esp8266 with Openocd via Jtag port. Here…
Dương Bùi
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ESP32 Upload a flash memory file to Google Drive using a program for ESP32CAM

I am trying to upload a ".wav" (circa 32kB) file from the flash memory of ESP32 to Google Drive. Is there a way to do that and would you be able to suggest a way to approach this? I am currently trying to use a code that does the same thing, but…
DarreeN
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Firebeetle ESP8266 and micropython

I have gotten stuck while flashing micropython firmware into the board. Erasing flash finished with success as you can see below: esptool.py --chip esp8266 --port /dev/ttyUSB0 erase_flash esptool.py v3.2 Serial port /dev/ttyUSB0 Connecting.... Chip…
minw
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MicroPython (u)socket.accept()

I have a Wemos D1 mini v3 and I'm making cheap interactable lights for in the classroom using this. I have been following a tutorial from randomnerds trying to solve the problem of creating an HTTP request to make the lights wireless. Link:…
Techtician
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