Microchip’s SmartData provides the ability to scan and connect to RN4020 Microchip Bluetooth Low Energy (BLE) peripherals with Microchip Low Energy Data Profile (MLDP). Once connected to a RN4020 Microchip BLE peripheral with MLDP, the MLDP tab lets user to transfer data back and forth between the device and BLE peripheral using a simple data terminal view. The performance tab can be used to stream and receive files to measure throughput. The remote command tab lets the user open and exercise a remote command session to configure the RN4020 module remotely. The DFU-OTA tab allows device firmware upgrades over-the-air on the RN4020 module. The help on each tab provides description and the commands that can be used to configure the RN4020.

What’s New

Version 1.1

- Scan view updated to include BLE peripherals with empty name as 'Unknown'.
- Scan view updated to handle active scanning.
- Scan view updated to show Bluetooth off message if Bluetooth is turned off by user.
- All views return to Scan view when Bluetooth is turned off by user.
- Send button title text in MLDP view turns green to indicate acknowledgement for Write With Response request.
- Auto correct disabled for text fields in Performance, Remote Command, DFU-OTA views.
- Receive text field in Performance view updated to move when keyboard pops up to keep the text field from hiding behind keyboard.

Ratings and Reviews

3.3 out of 5
3 Ratings

3 Ratings

TechFoo ,

Where is FW1.33?

Great app but it'd be nice if the firmware update 1/33 was provided.


Microchip Technology Inc.
10.9 MB

Requires iOS 8.1 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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