Questions tagged [bluetooth]
A low bandwidth, low-power short-range wireless protocol typically used for personal area networks that operates on 2.4GHZ-2.485GHZ.
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Can I give different delays for different parameters while using BLE
I'm working with the BLE transmission. I have to transmit 4 to 5 parameters at the same time but with different delays. Can I do this?. Is anyone have any idea? Here is my part of code to transmit ...
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What is the function of the inductor in this Bluetooth audio module?
I found the circuit below for a Bluetooth sudio module that included a 100 mH inductor in series and then a 10 uF capacitor in parallel to the power input.
Image source: Iranian electronics seller ...
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How can a Bluetooth receiver detect signals from a specific device?
If 2 devices send Bluetooth signals on the same channel (Hence they have the same frequency for '0' and '1'), how does the receiver detect the 'right' '0' and '1'?
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I2S Interface between Bluetooth Module and CODEC
I need to interface my CYBT-343026-01 bluetooth module to the AK4619 CODEC via I2S interface.
The problem is that CYBT-343026-01 only provides BICK and LRCLK, but it doen't provide MCLK which is also ...
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"JieLi Tech AC6329C4" design
I'm trying to design a basic "very cheap" bluetooth solution, that can connect to my phone and turn on a light emitting diode via a signal.
The cheapest BLE IC I could find was this one on ...
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BLE interference from DC motors
The problem:
I am making a remote control car. The car is being run with a Raspberry Pi Pico W. The power source is a 11.1 V Li-po. The power to the Pico is being stepped down with a 5 V regulator. I ...
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BLE Connection Issues with RN4870/RN4871 Bluetooth Module
For a project, I want to connect my Laptop to a dsPIC microcontroller via BLE through a Microchip RN4871 module to read some data from a board. I can discover the chip and connect to it, but the ...
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A bluetooth receiver that stays on and doesn't make sound when connecting, etc? [closed]
Background: I run public events for which I use an audio mixer to plug in a microphone and a music player. Sometimes the setup is such that I cannot get to the mixer physically during the event, but I ...
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Audio noise when Bluetooth is connected
I'm making a Bluetooth speaker with a rechargeable Li-po battery. I had some noise coming from the speaker that I suppressed connecting a capacitor at the Bluetooth board's power source. Apparently I'...
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Why does a PB-02 ignore a "AT+NAME=abc123"?
When I connect to a PB-02 via UART(8data bits, no parity, 1 stop bit) it does not execute all AT commands.
These work fine:
AT\r\n results in ...
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HM-10 can't communicate with Nuvoton MCU
I use HM-10 module with NuTiny MS51 development board. This board has 8 bit MS51FB9AE microprocessor.
First I have tried the Bluetooth module with Arduino to see if it works. It worked in Arduino ...
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How to check if I destroyed the bluetooth receiver
I have very little experience with electronics but I tried converting my Logitech unifying receiver to USB-C.
I followed the steps I found online and got a functioning result. I based my wiring on the ...
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Worst case for power consumption of bluetooth module
I wish to figure out the conditions under which this device will be consuming most current - NRF52832
The supply voltage is fixed at 3.3 V and the schematic is exactly the same as the one recommended ...
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HC-05 Bluetooth Module CircuitMaker
I am new to PCB design, and I am designing a circuit with a HC-05 Bluetooth module. I'm using Altium CircuitMaker and there are no symbols or models in there for a HC-05 Bluetooth module. Does anyone ...
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Designing support for BT in a car's audio system
We are designing a pre-amplifier outputting I2S and need to stream this to a car's audio system via Bluetooth. We have tried a module from TinySine, but it turned out it can only connect to headphones....
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