Hi. Is this product has an sdk for software developments?

This beacon broadcasts the standard iBeacon protocol, as well as two standard Eddystone formats (UID and URL). To build an app to work with beacons, all you need to use are the standard beacon libraries for Android and IPhone. No special SDK is needed. If you are interested in developing an app for configuring this beacon (we already offer a free app for that), you can contact us directly via our website for SDK links.

Can this act as a trigger in HomeKit to automate things?

Yes, iBeacons can trigger automations but not directly using the Home app on iPhones. You need to use some other third-party app for this. One that I know of is called PushCut for iPhone. As with most of these third party apps, it still requires you to tap the screen to confirm the automation before it runs, e.g. "You have triggered an automation. Tap here to let it run"...something like that. Which takes away most of the fun of an automation. But PushCut also allows you to set up a spare iPhone or iPad or iMac to act as a "server" for your automations. That's just a fancy way of saying they use this server method to get around Apple's "user confirmation" requirement, so then your automations can run without any needed confirmation from you. I previously set up as a test automation so that when I walked into my office (which had a Blue Charm BC-U1 beacon installed and broadcasting), my phone would connect to the bluetooth speakers in the office and begin to play music from my selected playlist. When I left the office, it would turn off the music. It worked great, but you should double check with the documentation of PushCut to confirm this is still possible. Sometimes Apple adds "security restrictions", and apps like PushCut will lose some functionality for a while. There are quite a few other apps that can also do something similar, but I have not tested them all. You can find them by searching for "iBeacon automation" in the Apple App Store.

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BC-U1

Product ID: 379809285

Details

Brand
Blue Charm
Color
Black
Compatible Devices
Smartphone
Data Link Protocol
Bluetooth
Hardware Interface
Bluetooth 5
Item Weight
0.31 Kilograms

⚡Ultra-fast 100ms broadcast interval

📶Long range BLE 5.0 up to 60m

🔋USB-powered, no battery hassle

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£23.18

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Description

🚀 Stay connected, stay ahead with Blue Charm Beacons!

EXTENDED 60 M RANGE - Reliable long-distance BLE 5.0 signal keeps your devices connected across rooms.
PLUG PLAY USB POWER - Forget battery swaps—just plug into any USB-A port and go.
USER FRIENDLY CONFIGURATION - Free iOS & Android apps let you customize settings effortlessly.
LIGHTNING FAST BEACON RESPONSE - 100ms broadcast interval ensures instant device detection and interaction.
VERSATILE MULTI FORMAT BROADCASTING - Supports iBeacon, Eddystone TLM, URL & UID for seamless integration.

The Blue Charm Beacons BC-U1-USB MultiBeacon is a USB-powered Bluetooth 5.0 iBeacon device offering up to 60 meters of broadcast range and ultra-fast 100ms intervals. Compatible with all Bluetooth smartphones and popular smart home platforms, it supports multiple beacon formats and is easily configurable via free mobile apps—perfect for professionals seeking reliable, battery-free proximity solutions.

Specifications

ASIN	B09FYNK94F
Best Sellers Rank	#115 in Bluetooth Network Adapters
Brand	Blue Charm Beacons
Built-In Media	beacon
Color	Black
Compatible Devices	Smartphone
Customer Reviews	4.3 4.3 out of 5 stars (21)
Data Link Protocol	Bluetooth
Hardware Interface	Bluetooth 5
Item Dimensions L x W x H	0.24"L x 0.87"W x 0.24"H
Item Weight	0.31 Kilograms
Manufacturer	Blue Charm Beacons
Mfr Part Number	BC-U1
Model Number	BC-U1
UPC	612637579196
Warranty Description	30 days free returns

Reviews

R**B

Works with PhotoSync app.

Bought to use with the PhotoSync app since I wanted a more reliable way to initiate backups of my pictures when I arrived at home this does the trick. As another reviewer said geofencing wasn’t the greatest either the app and I was in the same boat and pulled the trigger after reading the review. Plugged it into my NAS so whenever I walk into the house my iPhone backs up my pictures to the NAS within minutes.

6.10.2025

A**M

Perfect

Bought to use as beacon for PhotoSync app on iPhone because geofencing unreliable, specifically if phone is connected to CarPlay when you approach the target zone. Now photos sync perfectly when arriving at home. Also, moving around the home, if I take photos and I’m out of range, once I’m back in range it will sync. Have it hooked up to home server, which then backs up to Dropbox. No need to pay for iCloud as well.

16.11.2024

M**U

Great tracking beacon that works perfectly with Home Assistant

Using this as a "at home" sensor for my vehicle within Home Assistant. This beacon broadcasts with MQTT and can be utilized to track and locate this item at my home. Previously, I utilized Tiles and there is no comparison! These feel more solid, have a replaceable battery, and are customizable in many different ways (UUID, RSSI @1m, etc). Also, Thomas (owner of Blue Charm) has been extremely helpful explaining the features and technologies within the devices so that I can make more educated decisions on my project. I've also utilized the BC011 and BC021 versions.

3.03.2022

T**M

Works very well

I bought this to maximize a fancy navigation app. It works very well.

23.03.2025

K**S

Ease of use windows C#

I was able to quickly configure this iBeacon using iphone then created a BLE Advertisement listener to determine proximity using the Windows UWP Bluetooth example. Fun little toy.

8.12.2024

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