@kowshik1729 If you are using an external high-speed switch, there is only one one clock generator for both wifi and BLE and the high-speed switch you mentioned is Ultra-Wideband (UWB) 3–8 GHz from its datasheet

b2da6871-9110-40f1-8ff0-d8313547a17a-image.png

you also check this solution that I shared in the previous post.

@salmanfaris said in BT and WiFi Dual Core simultaneous operation using ESP32?:

There is a special option called “Software controls WiFi/ Bluetooth coexistence” it can control the ESP32's Bluetooth and Wi-Fi coexistence using software, more details: https://www.espressif.com/sites/default/files/documentation/ESP32_FAQs__EN.pdf

Hi @Richu-Bini, The Uart Baud Rate Register (UBRR) is used to set the clock for the UART shift registers and For standard crystal and resonator frequencies, the most commonly used baud rates for asynchronous operation can be generated by using the UBRR settings provided by the AVR Datasheet: AVR306: Using the AVR USART on tinyAVR and megaAVR devices

And you can find the equation from the datasheet to calculate the UBRR values depends on the clock source it has.

8422ea95-2844-483c-8e41-acab03c9ec41-image.png more details at the AVR306: Using the AVR USART on tinyAVR and
megaAVR devices

alt text src: http://www.avrbeginners.net/architecture/uart/uart.html#baud_generator

resource:

https://cache.amobbs.com/bbs_upload782111/files_22/ourdev_508497.html http://www.avrbeginners.net/architecture/uart/uart.html#baud_generator

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All of them are using Arduino IDE and it's libraries, so I think it's makes no difference.

@kowshik1729 Then go with a standard barrel jack, it can handle 6A.

no. we are using jumper for gpio 0th pin. please refer the below image.
freesnippingtool.com_capture_20200721200934.png