Overview
The DA14535-00FXDEVKT-U is a Bluetooth® Low Energy USB software development kit for the DA14535 SmartBond TINY™ System-on-Chip (SoC). It gives you all the flexibility to develop applications in a small and portable form factor.
This kit offers a low-cost development board with basic functionality. The development kit is implemented on a single PCB. The purpose of this cost-effective USB kit is to provide users with the capability for:
- Software development
- Programming DA14535 via JTAG or UART using the DA14535 SDK
- Connecting MikroBUS™ modules
The DA14535 is an ultra-low power Bluetooth 5.3 SoC with an Arm® Cortex® M0+, 64kB of RAM, and 12kB of OTP that is specified for operation at 105°C. The DA14535 is available in a 24-pin FCGQFN package.
Features
- USB Type A male connector
- Option to power from a 3V external battery
- 2Mbit SPI flash IC
- 32MHz crystal
- JTAG and UART interface over USB
- Pre-loaded firmware
Products in the Design

Sample & Buy
DA14535-00FXDEVKT-U
ActiveAdd-on Hardware
SmartBond DA14535 Bluetooth Low Energy 5.3 SoC Development Kit Pro Daughterboard
SmartBond TINY DA14535 Bluetooth Low Energy 5.3 SoC Development Kit Pro
SmartBond TINY DA14535MOD Bluetooth Low Energy 5.3 Module Development Kit Pro
SmartBond TINY DA14535MOD Bluetooth Low Energy 5.3 Module Development Kit Pro Daughterboard
Resources
Support
Support Communities
- DA14535-00FXDEVKT-U Development Kit Advertisement During Active Connection
Hello Renesas Support Team, I am developing an application using the DA14535-00FXDEVKT-U development kit and have a question regarding its Bluetooth Low Energy (BLE) capabilities when operating in a Peripheral role. My application requires the DA14535 to maintain an active BLE connection with one Central device while simultaneously ...
Oct 15, 2025 - QE for BLE [RA] v1.7.0 – Unable to Generate qe_gen\ble\app_main.c
I am using QE for BLE [RA] v1.7.0 to generate code for a custom BLE profile. However, during the code generation process, the file qe_gen\ble\app_main.c is not being generated. Instead, I encounter the following error: I have followed the guide Profile Developement with ...
Apr 7, 2025
