Purchasing a best bluetooth module for arduino looks very easy, but not at all. Being dazed is easy when you see hundreds of variations are available in the market for the same best bluetooth module for arduino by different manufacturers. Moreover, when they are offering quite similar facilities including performance, longevity, and quality, then choosing the best one is really tough. At that point, all you need is a good buying guide to help you find the ideal best bluetooth module for arduino for your needs.
In this helpful essay, we’ll go over a few key points to think about before purchasing a best bluetooth module for arduino. You can call it a proper review guideline for you which will cover pros and cons of your desired product including its sustainability, affordability, functions, and also practical benefits. Another feature will be a thorough comparison of a few similar products. As a result, you can easily pick the best one for your demands. Let’s look inside.
At a Glance
![]() | DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino | Buy Now |
![]() | HiLetgo 2pcs HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino | Buy Now |
![]() | HiLetgo 2pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino | Buy Now |
![]() | DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano | Buy Now |
![]() | HiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino | Buy Now |
![]() | HiLetgo 2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10 | Buy Now |
![]() | 5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Ardu-ino | Buy Now |
![]() | HC-05 Arduino Wireless Bluetooth Receiver RF Transceiver Module Serial Port Transmitter Module | Buy Now |
![]() | DSD TECH HM-10 Master and Slave Bluetooth 4.0 LE iBeacon Module Compatible with iPhone and iPad with 4 PIN Dupont Cable for Arduino | Buy Now |
![]() | ACEIRMC HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino (3pcs) | Buy Now |
Reviews of 10 leading best bluetooth module for arduino’s
Here in this part, we tried to find out the top 10 best bluetooth module for arduino from thousands of products. This list will make a great impression that you’ll be able to find your desired best bluetooth module for arduino in a matter of minutes. We focused on their use, performance, durability, appearance, price, and previous user experiences. We are confident that this list of the top ten best bluetooth module for arduino will help you select the one that best fits your needs.
DSD TECH HC-05 Bluetooth Serial Pass-through Module Wireless Serial Communication with Button for Arduino

- Bluetooth module HC-05 Master and slave Two in one module. Please note: iOS devices (iPhone) are not supported
- Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards
- Module working voltage 3.6 V to 6V
- Default rate of 9600,default pin:1234, the user can be set up.click the button into AT MODE
- Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified
HiLetgo 2pcs HC-06 RS232 4 Pin Wireless Bluetooth Serial RF Transceiver Module Bi-Directional Serial Channel Slave Mode for Arduino

- Works with any USB Bluetooth adapters, running in slave role: Pair with BT dongle. Led indicate Bluetooth connection status, flashing Bluetooth connectivity, lit the Bluetooth connection and open a port Backplane
- Core module uses HC-06, leads from the module interface includes VCC, GND, TXD, RXD, reserve LED status output pin, the microcontroller can be judged by the foot state Bluetooth has connected KEY pin slave invalid.
- Small size, low power consumption,high sensitivity for send and receive. Bluetooth version: V2.0+EDR &Operating voltage: 3.3V &Host Interface:UART &Storage Temperature:-40℃~+150℃&Signal coverage: 30ft &Item size: 4.3 * 1.6 * 0.7cm &Item weight: 3g.
- The module is mainly used for short-range data wireless transmission,such as Bluetooth wireless data transmission,Industrial remote control, telemetry,Traffic, underground positioning, alarm,Smart home ect.
- Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices.
HiLetgo 2pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino

- The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module
- HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED.
- Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234
- Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode.
- 6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board
DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano

- Low Energy: With HM-10 bluetooth 4.0 module, you can add Bluetooth features to your project and support iphone4s or later.
- DSD TECH Brand 4pin Base Board: Through this base board, leads to VCC, GND, TX, RX. You can be very convenient to connect to your arduino project
- Led status indication: when the connection is established will always light, disconnection is flash
- iBeacon Support:You can make this module into ibeacon mode.So you can have your own ibeacon.it also Supports Apple Notification Center Service (ANCS)
- working voltage 3.6 V to 6V,Default rate of 9600. DSD TECH back this Bluetooth 4.0 LE module with ONE Year WARRANTY. If you meet any question, please contact us, we will fix your issue within 24 hours.
HiLetgo HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino

- The factory setting is slave mode, but you can set this module to master mode so that you might be able to connect to other Bluetooth 2.0 devices.HC-05 Wireless BT Module
- HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED.
- Master and Slave 2-IN-1 HC 05 Module:Working Voltage 3.6V to 6V , Default baud rate:9600,Default pin:1234
- Button: Press the button, the module enter the AT mode. AT commands are executed only in AT mode.
- 6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board
HiLetgo 2pcs CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Module Compatible HM-10

- Support AT command, users can change the serial port baud rate, device name, pairing password and other parameters as needed, use flexible.
- It adopts CC2541 chip of American TI Company, configures 256Kb space, and follows V4.0 BLE Bluetooth specification.
- Input voltage: 3.3V/5V only needs a set of power supply.
- This module supports UART interface and supports SPP Bluetooth serial port protocol.
- Compatible HM-10
5PCS HC-05 Wireless Bluetooth Receiver RF Serial Transceiver Module Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Ardu-ino

- HC-05 Bluetooth Module is an easy to use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup.
- Master and Slave 2-IN-1 HC-05 Module; Working Voltage 3.6V to 6V; Default baud rate:9600, Button: Press the button; the module enter the AT mode. AT commands are executed only in AT mode.
- HC-05 is able to operate in both master and slave mode. Its communication is via serial communication which makes an easy way to interface with controller or PC. It’s ideal replacement to your wired serial connection.
- HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Ardu-ino project, and then you can use your android phone to control some gadgets, such as: switch, LED.
- Note: The module doesn’t suitable for IOS system.
HC-05 Arduino Wireless Bluetooth Receiver RF Transceiver Module Serial Port Transmitter Module

- VCC: positive power supply?
- GND: power supply is negative?
- RXD: the receiver, Bluetooth module receives from another device sent data; normally connected to other devices transmitting end TXD?
- TXD: sending end, the Bluetooth module to send data to other devices; receiving terminal is normally connected to other devices RXD
- Brand new and high quality
DSD TECH HM-10 Master and Slave Bluetooth 4.0 LE iBeacon Module Compatible with iPhone and iPad with 4 PIN Dupont Cable for Arduino

- Original HM-10 module, DSD TECH brand guarantees and we accept refund without any excuse.
- Bluetooth master and slave module, Through the AT command, you can set this bluetooth module to the master mode can also be set to slave mode, even in iBeacon way work . .it also Supports Apple Notification Center Service (ANCS)
- DSD TECH 4 PIN base Board, leads to VCC, GND, TX, RX. You can be very convenient to connect to your arduino project or other DIY project
- Working voltage 3.6 V to 6V,Default rate of 9600.There are 4PIN dupont cable in the package
- DSD TECH back this Bluetooth 4.0 Master and Slave 2-in-1 module with ONE Year WARRANTY. If you meet any question, please contact us, we will fix your issue within 24 hours.
ACEIRMC HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino (3pcs)

- 1.Use th e CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards
- 2.Module working voltage 3.6 V to 6V
- 3.HC-05 Wireless BT Module: with this HC 05 Bluetooth module,You can quickly add the Bluetooth feature to your Arduino project, and then you can use your android phone to control some gadgets, such as: switch, LED.
- 4.6 PIN Dopunt Cable : with this Dupont Cable, you can easily connect this HC-05 Bluetooth module to your Arduino Board
- 5.Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified
Buying Guides for Best Bluetooth Module For Arduinos
As a human being you can guess some well but it is quite impossible to know everything well. You can know about some more thing but you cann’t be a jack of all trades. In that case, reading a comprehensive buying guide can prevent us from making a costly mistake after purchasing a best bluetooth module for arduino due to a lack of knowledge.
You should not have to be a master on that single product to buy it. Just focus on a few key points that we’ll go over later. Taking those simple considerations into account may make your buying experience more pleasant and straightforward. Let’s jump to the main topic
Identify what you wants
The first step is to understand your demands or requirements. If you are not well aware of your needs, there is a good chance that you will purchase the wrong products at the wrong time, wasting a significant amount of money. So, first and foremost, we advise you to consider carefully your requirements for a best bluetooth module for arduino. Just make a short list about your needs. This simple task will lead you to make your buying process easier. Then you will be able to know your prioroties which is the most important thing.
Budget vs. Cost
Without thinking about budget, this is tough to decide when you buy anything. Any amount can be set on the price tag of your desired product. That depends on different expences like raw material purchasing, manufacturing, transportation, operational costs and their brand value playes a huge role there. The higher quality you demand, the higher amount of money you may have to spend for that. This is the reason, budget matters so much. This universal truth is also effective for your enlisted best bluetooth module for arduino.
There is a popular proverb in our society, “Cut your coat, according to your cloth”. Fristly, take your wishlist on your hand and search those products on the internet. Analyze the features and prices carefully.Make a proper comparison among them through your observation and select one that you want. Now, ask yourself whether your pocket is capable enough to spend such number of bucks or not for that particular best bluetooth module for arduino? Go for it if the answer is yes. If your pocket refuges to do so, then think about the second best option that you got.
Choose the the Perfect Brand
Because of our emotional attachments, we are frequently biased toward certain brands. This practice yields positive results at times but not at others. However, there is no way to argue with the idea of relying on well-known brands. Because having enough cash in your pocket makes making decisions half as easy. But we will suggest to not depend on a single brand blindly if you don’t know whether they make that particular thing best in the town or not. So you have to be very carefull when you are choosing any product if it is the right product from right brand.
There are two kinds of people. One is fully reliant on a single brand, while the other seems unconcerned. What he requires is the right product for the amount he is paying. May be we are not aware of the category that you belong to.Don’t worry here you will get few hints which will be beneficial for choosing the best product from the right brands.
- Make sure in this case that you are well-versed in the brand.
- What other people have to say about this brand.
- And what’s the average rating for that brand’s particular product?
- Contrast the features with those of competitors.
- Does these features meet your necessities?
Take a look on the Features Part
When you purchase a best bluetooth module for arduino, your first duty is to check the features of it. If you want a clear idea about the product, then this is the best way. You will easily percieve that the product you chose, will meet your requirements or not.
The features part also helps us in analysis the differences between ourselves and others. The attributes can then be compared to similar items. One will develop a greater understanding of quality in terms of this task, which also will make it easier for anyone to reach the final decision.
Check the Merits and Disadvantages
Each product has benefits and drawbacks. Before buying any product it’s your responsibility to check out all things carefully. Hence, stay cool enough to find out the lackings and drawbacks which you expected from that best bluetooth module for arduino. Maybe any other manufacturer made the perfect one for you. Just don’t be too lazy to compare your options with theirs before making your final decision.
The part of Pros and Cons can be found on most websites. Take your time reading that section. If you have any further questions, you can contact them via email or phone.
Quality and Endurance
Color, Style, Performance, Materials, and, most importantly, Durability are all factors that contribute to quality. When you are buying anything, be carefull to check those quality related issues. Remember, this is the reason you are paying for. Do you think this best bluetooth module for arduino deserves the inevestment that you want to do for it? Only quality can reply this question.
Warranty & Return Policy Matters
Hundreds of companies are making products everyday. A good amount of them are maintaining high quality as well. They make creative advertise also to attract buyers like you and me. Nothing is wrong yet. But then arrives the matter of Warranty and After Sales Service. That one thing can make huge difference indeed.
It will be a great mistake if you don’t check the facts like warranty, guarantee and return policies. Nobody can claim that nothing will happen, no matter what the quality of that product is. We know that nothing lasts forever. But you can expect at least a minimum return of value from the best bluetooth module for arduino tha t you invested for. Therefore, stay cool and be careful when you are checking policies. Sometimes, there can be found few policies which may seem obscure and not clear enough by their words. You can ask their delegates in that case to make you convinced about the whole thing clearly again.
Checking Queries and Customer Feedback helps your process.
Your time is precous and checking FAQ anwers and customer reviews can save it hugely. Before purchasing anything, few qustions may come to your mind and if you search them on internet, you will see they have been asked and answered as well before you thought. They are called FAQ or Frequently Asked Questions. On the other hand, customer reviews are the short stories of the people who got experience of the products that you are looking for.
If you want to get a clear idea of both, checking out those two things are must. By going through those, you may find such informations which sometimes doesn’t come into our mind. The worthyness of buying that best bluetooth module for arduino will be more clear to your eyes then.
Final Thought
In the end, this is to consider that the price you are paying is rational enough with the value the best bluetooth module for arduino is providing. Does it make you pleased or not? Is it enough to meet your demands? That’s the thing that should get the most importance we guess.
Hope this article will come handy for you to recognize and purchase the best best bluetooth module for arduino in the market. All the efforts we put here will get success when you will find this even a little bit of useful for you. At the end of the day, your satisfaction matters most to us.