Uploaded December 2023 | Updated September 2026, 2 weeks ago
This project-based Dev Lab steps through the creation of a Bluetooth Find Me device using CircuitPython on the Silicon Labs EFR32MG24 secure, connected, microcontroller. The completed software operates as a key finder type device playing alert tunes using a passive piezo buzzer when activated. Activation can be triggered from a mobile phone using the EFR Connect application, now called Simplicity Connect, or by pressing a button on another Find Me device. The device operates in both target and locator modes as defined by the Bluetooth SIG Find Me Profile.
00:00 Welcome
03:34 Hardware and Software
07:47 Step 1: Hardware Drivers
08:55 Step 1: code.py
09:47 Step 1: App.py
11:31 Step 1: App.init()
13:55 Step 1: App.main()
17:08 Step 1: Upload and Run
19:45 Step 2: Target Role
22:23 Step 2: App.py
22:54 Step 2: App.init()
24:01 Step 2: App.main()
26:52 Step 2: Upload and Run
30:21 Step 3: Simple Locator Role
30:47 Step 3: App.init()
31:31 Step 3: App.main()
36:40 Step 3: Upload and Run
40:28 Step 4: Advanced Locator Role
42:00 Step 4: App.init()
42:25 Step 4: App.main()
45:49 Step 4: Upload and Run
48:14 Conclusion
Resources:
Clone the GitHub repository with source code and wiring diagrams: get.silabs.com/yt808gh
Download CircuitPython binaries for Silicon Labs boards: get.silabs.com/yt808cp1
Download CircuitPython library bundle updates: get.silabs.com/yt808cp2
Download and learn more about the Bluetooth EFR Connect mobile application, now called Simplicity Connect: get.silabs.com/yt808sl1
For information on Silicon Labs Bluetooth solutions visit: get.silabs.com/yt808sl2
Boards used in this video:
xG24 Explorer Kit: get.silabs.com/yt808sl3
xG24 Dev Kit: get.silabs.com/yt808sl4
SparkFun Thing Plus Matter - MGM240P: get.silabs.com/yt808sf
Bluetooth specifications used in the this video:
Find Me Profile specification: get.silabs.com/yt808bt1
Immediate Alert Service specification: get.silabs.com/yt808bt2
GATT Specification Supplement (Alert Level characteristic): get.silabs.com/yt808bt3
Ring Tone Text Transfer Language (RTTTL) information:
RTTTL Specification: get.silabs.com/yt808rt1
RTTTL Tunes: get.silabs.com/yt808rt2
RTTTL Online Player: get.silabs.com/yt808rt3
Related videos:
1. Quick Start - CircuitPython for EFR32MG24: youtu.be/k-LFamOyotA
2. Dev Lab - CircuitPython Bluetooth Find Me: youtu.be/snjrxlaGtik
#SiliconLabs #CircuitPython #Bluetooth #IoT #Embedded #FindMe #EFRConnect #SimplicityConnect
This project-based Dev Lab steps through the creation of a Bluetooth Find Me device using CircuitPython on the Silicon Labs EFR32MG24 secure, connected, microcontroller. The completed software operates as a key finder type device playing alert tunes using a passive piezo buzzer when activated. Activation can be triggered from a mobile phone using the EFR Connect application, now called Simplicity Connect, or by pressing a button on another Find Me device. The device operates in both target and locator modes as defined by the Bluetooth SIG Find Me Profile.
00:00 Welcome
03:34 Hardware and Software
07:47 Step 1: Hardware Drivers
08:55 Step 1: code.py
09:47 Step 1: App.py
11:31 Step 1: App.init()
13:55 Step 1: App.main()
17:08 Step 1: Upload and Run
19:45 Step 2: Target Role
22:23 Step 2: App.py
22:54 Step 2: App.init()
24:01 Step 2: App.main()
26:52 Step 2: Upload and Run
30:21 Step 3: Simple Locator Role
30:47 Step 3: App.init()
31:31 Step 3: App.main()
36:40 Step 3: Upload and Run
40:28 Step 4: Advanced Locator Role
42:00 Step 4: App.init()
42:25 Step 4: App.main()
45:49 Step 4: Upload and Run
48:14 Conclusion
Resources:
Clone the GitHub repository with source code and wiring diagrams: get.silabs.com/yt808gh
Download CircuitPython binaries for Silicon Labs boards: get.silabs.com/yt808cp1
Download CircuitPython library bundle updates: get.silabs.com/yt808cp2
Download and learn more about the Bluetooth EFR Connect mobile application, now called Simplicity Connect: get.silabs.com/yt808sl1
For information on Silicon Labs Bluetooth solutions visit: get.silabs.com/yt808sl2
Boards used in this video:
xG24 Explorer Kit: get.silabs.com/yt808sl3
xG24 Dev Kit: get.silabs.com/yt808sl4
SparkFun Thing Plus Matter - MGM240P: get.silabs.com/yt808sf
Bluetooth specifications used in the this video:
Find Me Profile specification: get.silabs.com/yt808bt1
Immediate Alert Service specification: get.silabs.com/yt808bt2
GATT Specification Supplement (Alert Level characteristic): get.silabs.com/yt808bt3
Ring Tone Text Transfer Language (RTTTL) information:
RTTTL Specification: get.silabs.com/yt808rt1
RTTTL Tunes: get.silabs.com/yt808rt2
RTTTL Online Player: get.silabs.com/yt808rt3
Related videos:
1. Quick Start - CircuitPython for EFR32MG24: youtu.be/k-LFamOyotA
2. Dev Lab - CircuitPython Bluetooth Find Me: youtu.be/snjrxlaGtik
#SiliconLabs #CircuitPython #Bluetooth #IoT #Embedded #FindMe #EFRConnect #SimplicityConnect
