Category "esp32"

Not able to plot voltages graph (v1 vs v2) in a website using esp32 and arduino

I have started learning to build some good websites. In one of my projects, I wanted to display two voltages (named "POTvalue1" & "POTvalue2") on a website.

Deploy react on an esp32 with 32 character file name limit

I would like to deploy a react application on a web server on an esp32 micro controller, to control an api on that same micro controller. The web server is work

Control Relay by MQTT Publish Subcribe

sorry for my bad english, but i'll try my best i have a code like this void mqttCallback(char *topic, byte *payload, unsigned int length) { Serial.print("Mess

How to post image using Arduino HTTPClient

I am using arduino HTTPClient to do the post request in ESP32. Can anyone help me with the part where I will be able to post an image file along with some data.

ESP32 AWS IoT transportStatus=-1

I'm following the espressif docs for connecting a ESP32 to AWS IoT shadow. I'm using the example github.com/espressif/esp-aws-iot for shadow mqtt synchronisatio

ESP32 board_POST_Error_[E][WiFiClient.cpp:258] connect(): socket error on fd 56, errno: 113, "Software caused connection abort"

I need to send HTTP POST request using ESP32 module, to my REST API server which coded using python. But when running following code, an error comes. Running on

MCP3464 Micropython

I want to read the result of a conversion of the MCP 3464 with a ESP32 I can read registers and write registers. But when I want to read the result of conversio

ESP32-NODEMCU V1.1

I have the following error message occuring on the arduino IDE, Arduino: 1.8.15 (Windows 10), Board: "NodeMCU-32S, 40MHz, 921600, None" In file included fr

convert uint8_t array to string in c++

This can be marked solved. The problem was the print macro. ESP_LOGx can't put out c++ Strings. I'm trying to convert an uin8_t array to a string in c++. The a

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