All Questions
39
questions
0
votes
0
answers
408
views
ESP32 BLE Bluetooth Serial to Hardware Serial Bridge
I'm looking for a way to use serial devices with my iOS iPhone without buying a $20 device.
I have an ESP32 which can do Bluetooth Serial to Serial using this code but if I replace the Serial with <...
- 138
2
votes
0
answers
183
views
ESP32 Arduino Bluetooth Serial does not reconnect after disconnecting
The basic ESP32 Arduino Bluetooth Serial example pairs and connects as expected, BUT once I disconnect the Bluetooth terminal it stops responding to new events at all. Once I reset the ESP32, it ...
- 21
0
votes
1
answer
741
views
A simple Arduino Uno HC-05 system doesn't work
I have an Arduino Uno, HC-05 module and an LED.
I want to connect the HC-05 to my phone and with an app be able to turn on and off the LED and at the same time sending a message from the Arduino to ...
- 417
0
votes
1
answer
185
views
How would I connect an HC-06 bluetooth module to an SN75176A RS-485/422 transceiver?
I am trying to fashion a small module that would allow me to connect to an RS-485 system via Bluetooth. I have found that the potentially cheapest solution would involve an HC-06 TTL Bluetooth ...
- 205
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
Adapting an older schematic for use with recent components: How might this circuit need to change?
The schematic below is a bidirectional bluetooth-to-infrared serial device.
Computer sends bits to device via bluetooth virtual COM port.
Device re-transmits bits via 950nm IR w/ 38khz carrier ...
- 101
0
votes
0
answers
412
views
RS-232 signals on Bluetooth modules like HC-06, HM-10, etc
I would like to access any I/O pins of a bluetooth module of the likes of HC-06, HM-10 or their clones from both a Windows PC and/or Android system connected wirelessly to the module. I need Windows ...
- 907
0
votes
0
answers
89
views
Make Si4703 evaluation board Bluetooth capable
While looking for a Bluetooth RDS-TMC receiver which could be queried with FOSS software, and after realizing there’s probably not too much on the market, I stumbled across Si4703 evaluation boards ...
- 176
0
votes
0
answers
2k
views
Using HC05 Bluetooth SerialPort to stream music/voice via Arduino
I'm considering streaming music/voice over Bluetooth serial link (via HC05) from PC to Arduino. By doing this, there would be no need for a SD card. Here is the questions I have.
Any help is ...
0
votes
1
answer
428
views
When an HC-05 Bluetooth module receives data via wireless does it write it to receive (Rx) pin or transmit (Tx) pin?
I'm using an HC-05 and I have it successfully wired up to my ATMega328P so that the HC-05 Tx is tied to the ATMega328 Rx and HC-05 Rx is tied to the ATMega328P Tx.
So I'm assuming that the data ...
- 1,282
-2
votes
1
answer
143
views
BLE-serial module barebone (just need TX/RX and AT interrupt)
I want to add to my project, a BLE module; althought I am totally confused about which one should I get.
I did check most of the common chip available; and I do not get exactly if I can just use the ...
- 281
1
vote
1
answer
375
views
Is it legal to use a device's Bluetooth serial commands in one's project?
I'm currently making an android application that reads data from an hydrometer that sends it via Bluetooth serial. But when I connect to it, it doesn't send anything, probably expecting control ...
- 689
2
votes
1
answer
15k
views
How to change Bluetooth music receiver's name and other settings using a serial converter (or otherwise) [closed]
I'm rather new to electronics but I have a fundamental grasp of the general concepts. I'm not very fluent, however, on the workings of specific devices as of yet (internally, I mean; inside their ...
- 187
2
votes
1
answer
3k
views
What are the considerations for choosing Bluetooth baudrate?
I have an Arduino UNO which will be using an HC-05 bluetooth module to connect to a program running on PC.
Its baud rate can be configured from as low as 4800 to as high as 1382400.
I know that there ...
- 143
1
vote
1
answer
243
views
Switchable serial bridge (Bluetooth or USB -> Telemetry)
So I've got a simple serial bridge (wireless telemetry -> bluetooth).
Now what I would like to do is to be able to use either USB or bluetooth to access the telemetry module (Not at the same time).
...
- 111