All Questions
41
questions
0
votes
1
answer
51
views
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 ...
- 26
1
vote
0
answers
90
views
Arduino And Bluetooth LE AK1595 IC
reacently started a new project - to add Bluetooth to Atmega2560 chip.
I'm familiar with NRF52 and HC-05 bluetooth modules. But wanted to experiment with AK1595 BLE IC, because i didn't need an extra ...
- 13
1
vote
1
answer
107
views
Pic18F14K22 doesn't want to work with bluetooth
I'm currently working on a project that allows you control LEDs with bluetooth. I'm using an HC-05 bluetooth module. I got some code from the DeepBlue.com site where they explained the use of ...
user263952
0
votes
0
answers
203
views
Wireless serial programming without the need to press a button to program it
After a long play, I made this adapter to be able to program a Pro Mini wireless via BlueTooth. The long play wasn't the adapter but the settings of the BlueTooth module (baudrate is fixed and need to ...
- 1,367
0
votes
1
answer
407
views
Unknown characters in the serial monitor
I am trying to sniff the UART communication line of a commercial BLDC controller. The UART port connects to the Bluetooth module and the Bluetooth module connects to an Android App. I am able to get ...
- 345
0
votes
0
answers
53
views
What does "Power Off OOL" AT command mean for a Bluetooth module?
I am reading the datasheet for the OVC3860 Bluetooth module and one of the AT commands is 4.50 Power Off OOL #VX. The description from page 21 of the datasheet is below.
[]
What does OOL mean in ...
- 101
0
votes
1
answer
173
views
Data transmission from bluetooth module to fpga
I am using an android app which is taking a string and converting it to its ascii values and sending it to bluetooth module hc-05. Now i need to send this data to an UART receiver in an fpga. In what ...
1
vote
0
answers
264
views
How can I estimate the minimum baudrate for a given bitrate?
My circuit performs data acquisition at 250 samples/s, 24 bits/sample and transmit this information to the local host (PC) through a bluetooth module that implements the UART protocol.
As far as I ...
- 111
0
votes
1
answer
75
views
Different I/O pins of same PORT of ATMEGA8 not providing exact output [closed]
I have written code to switch ON/OFF some LED light connected different I/O pins of same PORT (i.e PORTD) of atmega8 microcontroller. This process is performed using android app by sending different ...
0
votes
1
answer
165
views
How to use the UART functionality in this Bluetooth module?
I'm using a Bluetooth module called SPBTLE-1S whose datasheet is here -
https://www.st.com/resource/en/datasheet/spbtle-1s.pdf
In the datasheet, it says that I can use the UART functionality by ...
- 245
1
vote
1
answer
196
views
Connect three HC-05 Masters to three HC-05 slaves
I have 3 Bluetooth modules HC-05 connected to my laptop using an USB-TTL interface and 3 microcontrollers each one has its own HC-05 slave. These devices shall send values to my laptop (each slave ...
- 1,251
1
vote
0
answers
2k
views
HC 05 bluetooth module not working with stm32
I'm trying to get a HC-05 bluetooth module working with stm32f103c8t6 module(blue pill). I used this usb to serial module to test each of the aforementioned boards and this Android app to connect to ...
- 21
0
votes
1
answer
60
views
Would the Bluegigga WT12 be suitable for a battery powered application?
I understand that the Bluegigga WT12 requires RS232 when using UART which is what I'm planning to do and thus it requires high voltages? Would that make it unsuitable for a battery powered application?...
- 61
0
votes
0
answers
248
views
RN42 Bluetooth Module - Entering command mode from C code
I am using a PIC32MX795F12 microcontroller together with a RN42 bluetooth to UART module.
I can send text to the UART with no problem at 115200 baud.
Using Putty I can also enter the command $$$ to ...
- 43
0
votes
0
answers
109
views
Level shifting at the output of a 2:1 multiplexer
In my design a custom implementation of an Arduino Uno talks to either a CP2104 USB-UART or a bluetooth module, through a multiplexer (74LVC1G3157). Priority is given to the wired connection and hence ...
- 1,340