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Questions tagged [bluetooth]

Bluetooth enables short-range wireless communication between devices.

3
votes
1answer
1k views

Bluetooth Master and Slave to track device's locations

I'm trying to create an app for my science fair that uses bluetooth to track people in a determined place. I was thinking about one Arduino system to receive all the information and transmit through a ...
2
votes
2answers
331 views

Cheap medium range wireless communication with a linux PC

I have a project that's currently using Arduino Uno with a cheap class-2 bluetooth serial adapter from ebay to send and receive data and control a LED light strip. However, it struggles to establish ...
4
votes
1answer
607 views

HC-0# Bluetooth module questions

I've been playing with the HC-06 BT module lately, but now I want to do more with it and I'm not sure how to. I was wondering if it's possible to get signal strength from the module, or would I have ...
1
vote
2answers
2k views

Bluetooth module(HC05) works with Arduino Uno but not with breadboard (ATmega328)

I am currently working on a project that requires communication between an android phone(galaxy s4) and an ATmega328 microprocessor. To connect these devices wirelessly I'm using an HC05 bluetooth ...
1
vote
1answer
1k views

HC-06 Bluetooth module and slow communication [closed]

I'm communicating from an Android command line Bluetooth app interface to my Arduino. The Arduino is using a HC-06 Bluetooth module. The Arduino is supposed to receive this data and act accordingly. ...
1
vote
1answer
916 views

How to connect mini jack output to arduino mini pro and send sound to it?

I would like to connect arduino mini pro to mini jack output and send sound through it. What would I need here, how can I connect the mini jack to arduino and how to send data of sounds (any library?)...
6
votes
5answers
11k views

Programming arduino via bluetooth module issue

I followed a tutorial on how to setup arduino and bluetooth so it can be programmed without usb cables. I didn't use capacitors or resistors asthere doesn't seem to be a need for them. I have the ...
-2
votes
1answer
1k views

Cheapest way to connect android device to arduino wirelessly

I'm building a simple RC car which I want to control using android phone. The phone has bluetooth and Wi-Fi. My questions is what will be the cheapest way to connect the two devices at about 50-120m ...
3
votes
1answer
148 views

Which voltage regulator should I use? [closed]

A friend and I are working on building a smartwatch on a budget, so it’s a (very) low power project, but we are currently having a problem with the power supplying. We already chose this board, ...
1
vote
1answer
219 views

How to catch the Enter key received by Bluetooth?

I got some code to receive characters from Bluetooth and code and print it back to the LCD display. However, want to detect the Enter character to be the input signal, in other words, not to print ...
2
votes
1answer
808 views

Creating a wireless remote

I am trying to create a wireless remote control to control a servo motor via Bluetooth. What all do I need to establish this? I did some research and found the following: Tinyduino Bluetooth low ...
4
votes
4answers
5k views

How do I connect Arduino to a Bluegiga112?

I am a new user of Arduino (I have a Arduino Due) and also I am a new user of BLE112 (Bluegiga module 112) My teacher told me to make the BLE112 advertisable and furthermore he told me to look for ...
1
vote
2answers
2k views

Arduino Serial Monitor only returning Null Characters

I'm trying to simply access my HC_05 bluetooth module and conduct some AT commands through the Serial Monitor. For some reason though, it only seems to be returning Null characters, though it does ...