Questions tagged [esp]

Question 1

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 ...

Question 2

I've got a solar energy inverter that has a RS485 port for connecting a meter. You can place a separate energy meter in your distribution panel at home, that measures things like power usage, purchase ...

Question 3

I'm trying to flash a spiffs on a esp32 but it is not working, i'm using these commands from this source: to create the image: mkspiffs -c /data/ -b 4096 -p 256 -s 0x100000 spiffs.bin my output was ...

Question 4

Im using ESP32 with PN532 NFC module with I2C And Im using this library https://github.com/elechouse/PN532 And using this documents https://www.elechouse.com/elechouse/images/product/PN532_module_V3/...

Question 5

I am trying to set up a weather station, and I should just have the anemometer left. This code works fine (as far as I know). // Pin definitions const int reedSwitchPin = 2; // Variables volatile ...

Question 6

I have a program running on an esp8266 that attempts to fetch json data from an HTTPS endpoint that is hosted on aws amplify (data comes from a next.js app). I can retrieve the data correctly when I ...

Question 7

I've got an ESP-07s and I used an example code from the internet. When I power it and the program starts, it should just connect to my Wifi network. It has a simple webpage that should be locally ...

Question 8

I want to implement a simple external drive with ESP32-S3 that would act like a normal USB enabled flash drive when connected to a computer. The actual storage of the data is done mechanically (for ...

Question 9

I have project which 3 esp01 controller and 1 nodemcu 12-E receiver which gives scores. Trying to read all input freely from controllers but when i use 3 at same time or pressing button too quickly ...

Question 10

I am trying to use an edited version of waterproof depth sensor code from the Arduino blog. It works well on my Arduino Uno board; however, it doesn't work with my ESP8266 board. Is there a way to ...

Question 11

Arduino: 1.8.19 (Windows 10), Board: "NodeMCU 1.0 (ESP-12E Module), 80 MHz, 4M (1M SPIFFS), v2 Lower Memory, Disabled, None, Only Sketch, 115200" esp_now_testing:3:21: fatal error: esp_now.h:...

Question 12

I have an ESP8266 wich is connected to an SDCard module, an SHT21 sensor and an BMP280. The idea is that I want to log data from the sensors to the SD Card, but if I initialize the SD Card with SD....

Question 13

I am using ESP32 and SIM800L for my project. The SIM800L does support SSL, TLS 1.0, and TLS 1.1. But web servers nowadays usually support only TLS 1.2 and 1.3. I heard, that the ESP32 HTTPS client can ...

Question 14

I'm using this code here to read data from a BLE thermometer using an ESP32. The code sometimes works fine and i can get the data: + Connect : a4:c1:38:69:0c:ff * Connected a4:c1:38:69:0c:ff + Found ...

Question 15

I want to parse JSON response from a GET Request. I do this usually by using a String variable to store the response and later parse this string using ArduinoJSON library like shown below: #include &...

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Questions tagged [esp]

Error trying to play audio through an ESP8266 using the 'ESP8266Audio' library

Is it possible to create a RS485 bridge over Wifi using 2 ESP07's

ESP32 SPIFFS Write problem

Pn532 doesnt detect sometimes

ESP8266 serial monitor spitting out garbage

Using HTTPClient with ESP not working

ESP-07s only connects to my wifi very occasionally

Implementing very slow external drive using ESP32 and TinyUSB

Esp-now reacting like bloating in Many-to-one setup

Problem with Time Interrupts in ESP8266 with water proof depth sensor

esp_now.h: No such file or directory

ESP8266 SDCard initialization bug

ESP32 - SIM800 - HTTPS lwIP

ESP32 stack error when reading from BLE device

Parsing JSON response from Stream

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