Top "Esp8266" questions

ESP8266 is a highly integrated chip which offers a complete and self-contained Wi-Fi networking solution, allowing it to either host applications or offload all Wi-Fi networking functions from another application processor.

ESP8266/Arduino: Why is it necessary to add the ICACHE_RAM_ATTR macro to ISRs and functions called from there?

I read that I need to add the ICACHE_RAM_ATTR macro to interrup service routines (ISRs) and to every …

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ESP32 Flashing upload starts and fails with timeout

I have an ESP32-WROOM, as seen here. In the Arduino IDE, I compile and verify my sketch, and then …

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ESP8266 send and receive sockets

I'm new to NodeMCU programming for ESP8266. I need to send strings to the server and receive response strings. So …

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ESP8266 12E NodeMCU 1.0 pin mapping for micro sd card?

I tried several pin conifguration to connect nodemcu and micro sd card. However, I had not any luck to successfully …

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HTTPS (SSL) get request with NodeMCU

I would like to perform GET requests to googleapi.com with my ESP8266 running NodeMCU, to get some data from …

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ESP8266 + WiFiManager + pubsubclient

I'm using an ESP8266 and want to control it using MQTT with the MQTT server being my Synology DS415+. I …

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How to POST to a RESTful API on an ESP8266 using authentication?

I can enter this URL from a browser, and after entering my credentials this successfully calls my API http://172.16.0.40/rest/…

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Arduino ESP8266 Softwareserial not enough buffer size for HTTP get request

I am working on a project in which I use arduino uno and ESP8266ex as wifi module on it. …

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ESP8266 and USBasp V2.0

Can I program the ESP8266 module via USBasp V2.0 and Arduino IDE, or do I need to get a different …

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