---
product_id: 257317055
title: "HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano"
brand: "dsd tech"
price: "€ 22.50"
currency: EUR
in_stock: true
reviews_count: 5
category: "Dsd Tech"
url: https://www.desertcart.nl/products/257317055-hm-10-bluetooth-4-0-ble-ibeacon-uart-module-4pin
store_origin: NL
region: Netherlands
---

# LED Status Indicator for Connection Bluetooth 4.0 Low Energy 4-pin Base Board for Easy Arduino Integration HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano

**Brand:** dsd tech
**Price:** € 22.50
**Availability:** ✅ In Stock

## Summary

> 📡 Elevate your IoT game with HM-10 — Bluetooth that just works, so you don’t miss a beat!

## Quick Answers

- **What is this?** HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano by dsd tech
- **How much does it cost?** € 22.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/257317055-hm-10-bluetooth-4-0-ble-ibeacon-uart-module-4pin)

## Best For

- dsd tech enthusiasts

## Why This Product

- Trusted dsd tech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Custom iBeacon Mode:** Transform your device into a personalized iBeacon and unlock proximity marketing or smart notifications.
- • **Reliable & Supported:** Backed by a 1-year warranty and responsive 24-hour support to keep your innovations running.
- • **Plug & Play Arduino Ready:** 4-pin base board (VCC, GND, TX, RX) ensures quick, hassle-free integration with your projects.
- • **Seamless iOS Compatibility:** Effortlessly connect with iPhone 4S and later for flawless Bluetooth communication.
- • **Real-Time Connection Feedback:** LED indicator keeps you instantly informed—solid light when connected, flashing when disconnected.

## Overview

The DSD TECH HM-10 Bluetooth 4.0 BLE module offers low energy wireless connectivity optimized for iOS devices and Arduino projects. Featuring a convenient 4-pin base board for easy wiring, LED status indicators for connection monitoring, and iBeacon support, it empowers developers to build smart, connected devices with confidence. Operating between 3.6V to 6V and backed by a one-year warranty, the HM-10 is a reliable choice for next-level Bluetooth integration.

## Description

Buy DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

Review: Les matériels Apple n'acceptent de dialoguer qu'avec des équipements bluetooth 4 BLE ( bluetooth low energy), sinon ils font semblant de ne pas les voir ! Cette carte est bien reconnue sur iphone et ipad si l'on utilise un logiciel (dispo sur appstore) comme terminal bluetooh. Si l'on développe soi même l'application coté Apple, c'est elle qui se charge d'ouvrir la connections. On peut facilement échanger entre les deux machines en mode texte (entre un arduino et un apple), dans les deux sens. Bon produit. NB : il est alimenté en 5v mais les signaux RX TX doivent être en 3V. Un adaptateur peut etre utile, sinon une résistance de 330ohms fait l'affaire.
Review: Bu modülü tercih sebebim diğer Bluetooth modüllerinin iOS ile olan uyumsuzluğu (Tşkler Apple). İOS App var cihaza bağlanıyor ancak herhangi bir iletişim sağlayamıyorum. Dolayısıyla kontrol etme imkanım olmuyor :) yanıp sönen kırmızı led in bağlanınca sürekli yanması için almış oldum şimdilik. Umarım benim yaptığım bir hatadır. İletişim kurabilirsem memnun kalacağım. Elinizde Windows,android cihaz yoksa arduino Bluetooth Apple ile olmuyor.

## Features

- 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 DSD TECH-compatible 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06WGZB2N4 |
| Are Batteries Included | No |
| Best Sellers Rank | #12,888 in Computers ( See Top 100 in Computers ) #187 in Single-Board Computers |
| Brand | DSD TECH |
| Color | Multicoloured |
| Computer Memory Type | EEPROM |
| Customer Reviews | 4.4 4.4 out of 5 stars (707) |
| Date First Available | 18 May 2017 |
| Item Weight | 5.09 g |
| Item model number | ML-HM-10 |
| Manufacturer | DSD TECH |
| Memory Clock Speed | 3600 MHz |
| Memory Technology | DDR4 |
| Operating System | Android 4.4, iOS |
| Processor Brand | Apple |
| Product Dimensions | 3.05 x 1.52 x 0.25 cm; 5.1 g |
| RAM Size | 32 KB |
| Voltage | 5 Volts |
| Wireless Type | Bluetooth |

## Images

![HM-10 Bluetooth 4.0 BLE iBeacon UART Module with 4PIN Base Board for Arduino UNO R3 Mega 2560 Nano - Image 1](https://m.media-amazon.com/images/I/515Nnln-hEL.jpg)

## Questions & Answers

**Q: How do you select master or slave modes?**
A: First you have to build the circuit shown at : //electronics.stackexchange.com/questions/412525/when-i-write-data-to-a-ble-characteristic-ffe1-to-send-data-over-bluetooth-is/412561#412561 (had to make that non-clickable to be able to post). After that you upload the code (shown at that same link) to your Arduino.  Finally, you will be able to connect to the device thru your Arduino and the Arduino dev environment using the Serial Monitor.  
At that point you can send commands to the HM-10 which will allow you to put it into different modes.

**Q: can i use this to turn things on and off through bluetooth from my iphone?**
A: You can use this to turn things off with your phone.  However, you'll need a few things: 1) An app (Android or iOS depending on what type of phone you have) to connect to the device and send data.  2) This device will be connected to a controlling microprocessor (such as an Arduino) so that when this device receives data that your app has sent then the microprocessor will examine the data and determine what to do such as applying voltage to a relay which results in the relay switching off which turns off the thing (such as an LED or whatever).

**Q: Able to send text to the serial monitor(arduino) but can't send anything back or use AT commands any help?**
A: You may need a voltage divider on hm-10 Rx.  I have built a circuit and have Arduino code that works with these modules and I posted it at :
//electronics.stackexchange.com/questions/412525/when-i-write-data-to-a-ble-characteristic-ffe1-to-send-data-over-bluetooth-is/412561

**Q: Can this receive iBeacon signals? I want to be able to detect iBeacons.**
A: yes, review the documentation for AT commands that do this.... device returns a list of received beacons

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***C on 9 May 2018*

Les matériels Apple n'acceptent de dialoguer qu'avec des équipements bluetooth 4 BLE ( bluetooth low energy), sinon ils font semblant de ne pas les voir ! Cette carte est bien reconnue sur iphone et ipad si l'on utilise un logiciel (dispo sur appstore) comme terminal bluetooh. Si l'on développe soi même l'application coté Apple, c'est elle qui se charge d'ouvrir la connections. On peut facilement échanger entre les deux machines en mode texte (entre un arduino et un apple), dans les deux sens. Bon produit. NB : il est alimenté en 5v mais les signaux RX TX doivent être en 3V. Un adaptateur peut etre utile, sinon une résistance de 330ohms fait l'affaire.

### ⭐⭐⭐ Review
*by Y***E on 3 November 2024*

Bu modülü tercih sebebim diğer Bluetooth modüllerinin iOS ile olan uyumsuzluğu (Tşkler Apple). İOS App var cihaza bağlanıyor ancak herhangi bir iletişim sağlayamıyorum. Dolayısıyla kontrol etme imkanım olmuyor :) yanıp sönen kırmızı led in bağlanınca sürekli yanması için almış oldum şimdilik. Umarım benim yaptığım bir hatadır. İletişim kurabilirsem memnun kalacağım. Elinizde Windows,android cihaz yoksa arduino Bluetooth Apple ile olmuyor.

### ⭐⭐⭐⭐⭐ Review
*by J***R on 3 September 2018*

I am developing a system for measuring thermal conductivity in buildings, and need a means of communicating between a units on the exterior and interior of the building. My plan is to place the units either side of a window, so Bluetooth range should be adequate. The units will be battery powered, so power consumption is important, which attracts me to Bluetooth Low Energy. I bought 2 of these boards to evaluate, and here are my findings so far: Connecting to an HM-10 board using an Android phone is straightforward using BLE scanner. I next tried to connect to one of the boards using a terminal emulator (Putty) via a USB-Serial converter, the unit responded to AT with OK, but failed to recognise any AT commands. Conclude that Putty is inserting extra characters. I next tried the same thing using RealTerm, which worked fine. I then set up the second unit running in another terminal emulator window, so that I could get them to communicate. To do this one of the boards needs to be set to receive mode so I do AT+ROLE1 AT+CO<AddressOfOtherDevice> This succeeds in getting the boards to communicate, so anything typed in one terminal window appears in the other, including AT commands, so its quite difficult to stop communication. You should be able to get break the connection by AT followed immediately by an AT command. Actually I am not telling the whole story as I had tried some other things first. The following sequence works reliably to connect: AT+RENEW AT+IMME1 AT+ROLE1 AT+CO<Address> send some stuff AT AT+ROLE0 AT+RENEW Next put the slave board to sleep AT_NOTI1 // To get a notification when the connect is made or dropped. AT+SLEEP The master board can still connect. Next I put both boards to sleep. You need to wake one of the boards with a sequence of random characters until you see OK+WAKE Then you can connect as before. After your conversation is finished you can put both boards to sleep again. I have captured those findings in a console program which runs in master and slave modes on a PC connected to both boards, this reliably puts the boards to sleep, one wakes every few seconds, connects with the other, sends some messages and both boards go back to sleep. I haven't tested the communication range yet, but so far they work well after a bit of investigation/development.

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-20*