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Home/bluetooth

Tag: bluetooth

A low bandwidth, low-power short-range wireless protocol typically used for personal area networks that operates on 2.4GHZ-2.485GHZ.

volt.tech Latest Questions

ellasmith
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ellasmith
Asked: August 24, 2023In: Wireless Connectivity

How to enter the low- level RF encoder/decoder on the ESP32- C3?

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Hello Can I get access to the low-level RF encoder/ decoder on the ESP32- C3? I would like to transfer and receive my own signals applying the 2.4 GHz antenna, outside of the Bluetooth/ wifi protocols. The reason I need to ...Read more

Hello

Can I get access to the low-level RF encoder/ decoder on the ESP32- C3? I would like to transfer and receive my own signals applying the 2.4 GHz antenna, outside of the Bluetooth/ wifi protocols. The reason I need to do this is for an ultra-low latency application in which I simply want to send extremely simple information (a single yes/ no) and there’s just one transmitter and one receiver in the location where my product will be deployed.

Thank You

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antennabluetoothdecoderencoderesp32rfwifi
  1. vikas Nagpal
    Added an answer on August 25, 2023 at 10:24 am

    Hello, Yes, the ESP32-C3 microcontroller provides access to the low-level RF encoder/decoder functionality for custom transmission and reception on the 2.4 GHz frequency. The ESP32-C3 is equipped with a Wi-Fi/Bluetooth subsystem, but it also supports other communication modes, such as RF communicatiRead more

    Hello,

    Yes, the ESP32-C3 microcontroller provides access to the low-level RF encoder/decoder functionality for custom transmission and reception on the 2.4 GHz frequency. The ESP32-C3 is equipped with a Wi-Fi/Bluetooth subsystem, but it also supports other communication modes, such as RF communication using the RF module.

    To use the RF module for your application, you would typically need to bypass the higher-level protocols like Wi-Fi and Bluetooth and directly control the RF interface. The ESP32-C3 provides a general-purpose radio (RF) peripheral that can be used for this purpose.

    Thank You

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  • 1 Answer
Answer
vikas Nagpal
  • 0
vikas Nagpal
Asked: December 28, 2022In: Wireless Connectivity

ESP32-C3 Firmware Update?

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Hello, I presently research and suppose about the possibilities to initial flash and later update the firmware on an ESP32 based product from the price point, I would like to use an ESP32-C3 and the built-in USB port to flash & ...Read more

Hello,

I presently research and suppose about the possibilities to initial flash and later update the firmware on an ESP32 based product from the price point, I would like to use an ESP32-C3 and the built-in USB port to flash & update the firmware.
That indeed would save the USB2UART chip.
I can’t go with the S2 as I need WiFi and Bluetooth.

But I didn’t find any tutorial/extended info if/how this is possible. The only things I found

  • DFU — Using the native USB on ESP32-S2 for flashing the firmware
  • Nearly was mentioned that C3 USB can be used in CDC mode
  • CircuitPython on Espressif SoCs

so I currently don’t know if it’s possible. I hope anybody can shine some light on this for me;-)

Thank and Regards

Vikas

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bluetoothesp32espressiffirmwareusbusb2uartwifi
  1. ashishgawade
    Added an answer on December 29, 2022 at 10:19 am

    Hello, Thanks for reaching out to Volt Engineering Community. The C3 has a USB device that effectively replaces an external USB- serial and USB- JTAG chip; you should be suitable to use that to flash updates. Please let us know if it answers your question. Regards, Ashish

    Hello,

    Thanks for reaching out to Volt Engineering Community.

    The C3 has a USB device that effectively replaces an external USB- serial and USB- JTAG chip; you should be suitable to use that to flash updates.

    Please let us know if it answers your question.

    Regards,

    Ashish

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  • 1 Answer
Answer
vikas Nagpal
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vikas Nagpal
Asked: October 11, 2022In: Wireless Connectivity

Pairing a Bluetooth Classic 2.0 trackpad with the ESP32. Possible? Simple?

  • 0

Hello everyone, Is it possible to pair an Apple Magic Trackpad( 1. gen-> Bluetooth Classic2.0) with the ESP32? How simple is that? Can I be sure it will work? I’m asking as I had a hard time changing any projects doing similar ...Read more

Hello everyone,

Is it possible to pair an Apple Magic Trackpad( 1. gen-> Bluetooth Classic2.0) with the ESP32? How simple is that? Can I be sure it will work?

I’m asking as I had a hard time changing any projects doing similar effects, even with Bluetooth keyboards.

Thank you in advance!

Read less
bluetoothconnectivityesp32keyboardswireless
  1. Alex thomas
    Added an answer on October 13, 2022 at 10:37 am

    Try using a cell phone app like" Bluetooth Terminal HC- 05" If you can pair and receive data with this from the trackpad also you can do it with an ESP32. It's my goto App for looking at data streams from Bluetooth.

    Try using a cell phone app like” Bluetooth Terminal HC- 05″
    If you can pair and receive data with this from the trackpad also you can do it with an ESP32.
    It’s my goto App for looking at data streams from Bluetooth.

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