![]() Let’s start by cloning the repository from Blueio Repeater Example. Steps to make Simple Bluetooth Low Energy Repeater Step 1: To Create a Bluetooth Low Energy repeater using multi-connection feature, we need the following tools. We have already created a sample script in python, which will help us to do the task. The repeater dongle will be connected to a Raspberry pi which will forward data to the receiver dongle. And that’s how a repeater will help us overcome the range limitation.įor this project, the sender dongle will scan for air quality data from the HibouAir device and pass the advertised data along with the timestamp to the repeater. ![]() At the same time, the repeater passes the data to the receiver dongle. Using this dongle’s multi-connection feature, we will make a simple repeater where one dongle scans nearby devices’ data and sends it to the repeater. The BleuIO is Bluetooth low energy solution that can be used to create new BLE 5.0 applications in the fastest and easiest way. This article will explain how to create a BLE Repeater using a BLE USB dongle called BleuIO and python. Fortunately, it’s easy to overcome this range limitation with the Bluetooth repeater. Sometimes the connection tends to drop or lag when you move a little further away from the device. However, despite the convenience, you can bear witness that the range offered can be a little limiting. Bluetooth low energy technology offers a suitable way of connecting smart devices. In this guide, we will learn How to make Simple Bluetooth Low Energy Repeater using multi-connection feature. Steps to make Simple Bluetooth Low Energy Repeater.Choosing the latter, I connected the HC-05 tx pin to the Arduino UNO’s tx pin and its rx pin to the UNO’s rx pin just like in this tutorial.īecause the Arduino will act like the USB-to-TTL converter and nothing else, we need to load an empty sketch to it. The status LED will stay on for 1 second and stay off for another second if in AT Command mode.ĪT Commands are sent to the module serially using a USB-to-TTL cable or an Arduino. AT Command ModeĪs mentioned, we enter command mode by either connecting the KEY to VCC or keeping the button pressed while powering on. The STATE pin is used to indicate connection status: it’s high when the module is connected to a device and low if not. The EN pin, when pulled low (connected to ground), disables the module. There is still a KEY pin on my version but not readily accessible: We will discuss these commands later.įor my device, AT Command mode is entered by keeping the button pressed and then powering up the module. AT commands are used to configure the module. The KEY pin, when pulled high (connected to 3.3V), is used to allow the HC-05 to enter AT Command mode. When in data mode, the module acts as a wireless bridge between two devices. The HC-05 module has two modes: Data and Command mode. Your device might have the KEY pin instead of the EN pin. ![]() ![]() The primary difference between the two is that the HC-06 is a slave only device. ![]() There is another bluetooth module, the HC-06, which looks exactly like the HC-05. We’ll be using the HC-05 bluetooth module, a widely available and cheap bluetooth device that is capable of going into master (initiator) or slave (acceptor) device. Today, this technology is popular in connecting two or more mobile devices, particularly smartphones, tablets and laptop computers. Bluetooth is a radio communication protocol that was created as a wireless alternative to the RS-232 serial protocol. ![]()
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