Quectel EC200U GPRS Design

Hi everyone, I’m designing a custom GPRS module board with esp32 and I’ve chosen the EC200U GPRS module, I want to know the basic pin mapping and operational modes of […]

ESP32 indexOf() function not recognizing ‘PASSWORD’ in received RS485 message

Hi everyone, I have a problem with the string function indexOf() that I don’t understand. My board with the ESP32 module is connected via RS485 (on UART1) to another board. […]

Facing a problem in setting up esp-idf in vs code

hello everyone i am following the book: INTERNET OF THINGS PROJECT WITH ESP32 BY: AGUS KURNIAWAN I am facing a problem in setting up esp-idf in vs code can someone […]

How to send HTML page from a Web Server asynchronously in ESP-IDF?

is it possible to send the HTML page from a Web Server in async mode upon initial client request? tried that and all i get in the browser is the […]

Do I need to enable long-range mode for both sender and receiver in ESP-NOW?

when using ESP-NOW If I want to enable long-range transmission I have to enable it for the receiver as well?

ESP32-Pico Failing to Publish MQTT Messages Due to Payload Size Exceeding Broker’s Limit

Hey guys while sending sensor data from an ESP32-Pico to an MQTT broker,And combining multiple sensor readings into a single MQTT message, the payload size exceeds the broker’s limit. As […]

seeking help for connectivity issues in esp32 bluetooth with android

I found this code for connecting the bluetooth #include “BluetoothSerial.h” BluetoothSerial SerialBT; bool isConnected = false; void setup() { Serial.begin(115200); SerialBT.begin(“ESP32_BT”); // Bluetooth device name Serial.println(“The device started, now you […]

esp32 on a VPN

I am trying to connect esp32 as a VPN client . Anybody has done that before?

WiFiManager Integration in ESP32

Hi all, I have an ESP32 receiving information from another ESP32 equipped with sensors. Below is the code for the receiving ESP: “`C++ #include #include const char* ssid = “XXXX”; […]