we interfaced a simcom 4g gsm module to esp32 through Uart . I able to implement ota using wifi through native ota example in esp example folder . My task is to implement ota through internet connectivity through gsm module through http or https method . I am using default AT command method to commu...

we interface the gsm module to esp uart . I able to data transfer to cloud using wifi with default mqtt library . So we interfaced gsm module to esp uart . with traditional at command i able to get the network and ip address . how to link the ip address or tcp method got from my gsm module to esp mo...

We interfaced simcom gsm module on uart0 .
Please suggest a way to stop boot rom logs , panic handler logs on UART 0 on Esp-Wroom-32.
As per few posts we have no option to pull down on GPIO 15 .
Please suggest a way in a software way to stop logs on Uart 0 .

As a per ESP Wroom 32 , the flash interface pins are GPIO_10 and GPIO_9 which are WP and HD .
Can we use this Pins as UART1 ?
Is this cause a problem ?
Thanks for support

thanks for response . I am able to receive the data above 120 bytes with no problem using UART_NUM_0. But i am unable to receive through using UART_NUM_1. when i am sending data above 120 bytes to UART_NUM_1 . code is getting restarted with panic handler . but when i send data below 120 bytes it abl...

we interfaced the simcom 7000 gsm module to esp-wroom 32 ,
how to use default mqtt library when esp module is interfaced with sim 7000 e gsm module.

Right now , I am using Mqtt paho library to communicate .Is any way to use default mqtt library with simcom gsm module as interface .

How to transmit NULL(0x00) character through uart in esp-idf 3.3 .
I need to pass a string which contains NULL in middle of strings .

I am using ESP-WROOM-32 module of size 16Mb with esp-idf 3.3 version . we connected a gsm module to ESP-WROOM-32 through Uart . Unable to receive data through Uart above 120 bytes . I will receive maximum of 900 bytes through mqtt calls. please suggest a solution or any code reference to receive dat...