Custom Bluetooth Module Features & Application 2022

2022-04-25/ By Admin

Custom bluetooth module as a wireless communication standard has long been entrenched in various gadgets. Actually, for a long time you will not find such a device in which there would be no Bluetooth at least of the old version. This makes it one of the most popular wireless interfaces for Arduino and handheld devices.

Today we're going to take a look at the benefits of the recently introduced Bluetooth 5 standard, which has significant changes from previous versions to make it even more user-friendly.

1. Bluetooth transfer rate

The new custom bluetooth module standard allows you to transfer data at speeds up to 6.25 Mbps, while the most advanced 4.2 - only up to 3.125 Mbps, not to mention BT2.0 + EDR (the most popular specification that most Chinese devices run on) with 2.1 Mbps.

For IoT devices, this will be more than enough; you can even stream a video image from a surveillance camera, not to mention a simple packet data exchange.

2. Custom Bluetooth module ranges

Now it will be up to 200 m in open space (up to 40 m in closed space) - this is quite enough for a Smart Home or some wearable gadgets. Now you don’t have to carry your phone with you when running with a homemade fitness tracker. After all, a custom bluetooth module circle with a radius of 200 m is enough for everyone to run effectively!

Well, the Smart Home system will be able to receive data about the external environment without repeaters from all over your yard.


Now the device can transfer up to 255 bytes without connecting to a host! This greatly facilitates the process of communication with a large number of people where addressing is not needed, or, for example, with a large number of sensors (for example, sending a command to start reading the temperature.  it must be reported to all sensors, so it can be broadcast, but in the targeting sense No).

The custom bluetooth module 4.2 standards also supported this option, but only allowed 31 bytes to be transferred. Bluetooth 5 simplifies the transfer operation without a connection, respectively; in 255 bytes you can already fit some kind of protocol and carry out all operations without a connection, which will significantly speed up data exchange.

4. Reduced Power Consumption

With all its advantages in increasing the range and speed, it was also possible to save energy. If you still have a stereotype about the high current consumption of all wireless interfaces, then it's time to get used to the fact that you cannot turn them off at all - and various wearable homemade products that communicate with your smartphone will now live several times longer!

Benefits of custom bluetooth module 5.0

5. Custom bluetooth module Network serial connection

If all previous standards implied the direct connection of all slave devices to the master, now to enter the network your device can connect to any slave included in the network and start a full data exchange.

This unloads the master and makes the devices more equivalent - now in the event of a fall of the master, there is no one, and the exchange will still be possible.

The new specification aims to unify all IoT connections and become a single standard for wearable connected devices, making all operations even more convenient and faster!

A modern headset allows you to listen to music without wires, which are confused and “attached” to the transmitting / broadcasting device. It gives freedom and is presented on the modern market in a large assortment. What you should know and consider in order to successfully choosing a custom bluetooth module headphone or headset

Benefits of Bluetooth Headphones

Currently, there are three main types of wireless communication that use in the creation of headphones. These are radio channel, infrared communication channel and Bluetooth. Infrared communication channels were among the first to be used. Transmission with the help of a stream of light does not allow any obstacles to arise on the way.

Sometimes even the light of the sun can become a hindrance and cause malfunctions of the device. But such devices are inexpensive and consume little electricity.

Advantages of a device

The radio channel in such gadgets is suitable for stationary use. But the devices require a separate transmitter, and this significantly limits their mobile use. But at the same time, they expand the range - they function within 100 m.

Custom Bluetooth Module 2022

The advantages of a custom bluetooth module of this type include the ability to pass through obstacles. The disadvantages are high current consumption, background (white) noise due to various interferences.

Bluetooth wireless headphones are the most popular right now. They are supported by:

  • televisions;
  • computers;
  • laptops;
  • Phones.

Their advantages include high-quality and stable communication, when all data is not distorted during transmission from the source and is preserved as much as possible. They have a short range (from 10 to 20 m). But there is no need for an additional audio transmitter. Such devices can be directly connected to a computer or phone.

New versions of Bluetooth module

Custom bluetooth module has evolved over the years and has gained several versions. It started with version 1.2 (1 Mbps) and now we are on 5.0 (50 Mbps). With each new version the transfer speed has increased. So, if you need to transfer a lot of files via Bluetooth, it is recommended to buy a newer version adapter, such as 4.0 or 5.0.

Pay Attention to the Adapter USB Standard

Custom bluetooth module adapters plug into the USB ports of computers, notebooks and other devices. And USB ports have also evolved over time, allowing for faster data transfer. Currently, there are USB 1.0, 2.0, 3.0 and 3.1 standards on the market. The higher the USB version, the faster it transfers data.

Typically, Bluetooth adapters are manufactured with USB 2.0 in mind; as such items generally do not need to transfer large amounts of files. But don't worry; custom bluetooth module works perfectly on USB 3.0 ports and even 3.1 ports. The only difference is that the adapter will work at 2.0 speed and not 3.0 or 3.1.


You should know when choosing custom bluetooth module that they have several types of encoding. Their task is to encode music for subsequent broadcast over the air. In this case, the music material is compressed to make it convenient to transfer.

 Therefore, transmitters must be equipped with codec support. If they match, you can get high sound quality. Otherwise, the sound will be transmitted using the standard protocol.