Hello guys i am trying to send Sensor data from esp32 to a ble gateway which means the gateway can not connect to the esp32 to read the Sensor data unless i send the Sensor data with the advertising data.

/*
* ESP32-Dynabeacon
* Non-connectable beacon that changes scan response data periodically ...

i want a reader which will have a reader connected to esp module to read tags and then sent to server by esp module.

hello guys
am currently working on R&D with rfid and the esp module.
i am trying to create a wireless transmission of signal from the antenna to the receiver in the sense that i want to use the esp module as a transceiver which means it is going to be connected to the antenna for reading the rfid ...

the problem is i cant save my audio buffer size of 1k into a char buffer( i don't know why), and the pubsubclient library wont let me send an audio buffer or string directly to node-red so i read the audio file as a string and then convert to char(what pubsubclient only send) but the char buffer ...

this is a code to count steps using the accelerator/gyroscope sensor (gy 521), this works with arduino boards as well as the esp8266. now i dont know why its not working on esp32.
any help plz

#include "Wire.h"
#include "SPI.h"
#include "SD.h"

#define MPU6050_ACCEL_XOUT_H 0x3B // R
#define ...

hello guys
been stuck on this for a week or so now.
am trying to get an audio sample from esp32 with and electric microphone(not boarded about quality yet).
the problem is i am trying to send the audio file to node-red by can send the full data cause i have a char size of (110) tried every other ...

guys try this code out
#include <TinyGPS++.h>
//#include <SoftwareSerial.h>

HardwareSerial uart(1);
TinyGPSPlus gps;

void setup()
{
uart.begin(9600, SERIAL_8N1, 17, 16);
Serial.begin(9600);

Serial.println(F("DeviceExample.ino"));
Serial.println(F("A simple demonstration of TinyGPS++ with ...