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Renesas Electronics Corporation

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 USB Development Kit

DA14535-00FXDEVKT-U

Active

Add-on Hardware

Additional boards that work with this platform. Some may be required for full functionality or to evaluate specific features.

SmartBond DA14535 Bluetooth Low Energy 5.3 SoC Development Kit Pro Daughterboard

Extend SmartBond TINY DA14535 development with a daughterboard designed for seamless integration with the Pro Development Kit.

SmartBond TINY DA14535 Bluetooth Low Energy 5.3 SoC Development Kit Pro

Develop ultra‑low‑power Bluetooth LE 5.3 applications using a comprehensive SmartBond TINY Pro development platform.

SmartBond TINY DA14535MOD Bluetooth Low Energy 5.3 Module Development Kit Pro

Develop Bluetooth Low Energy 5.3 applications using a SmartBond TINY module‑based Pro kit designed for rapid prototyping and power analysis.

SmartBond TINY DA14535MOD Bluetooth Low Energy 5.3 Module Development Kit Pro Daughterboard

Evaluate SmartBond TINY module designs using a daughterboard that supports standalone operation and rapid prototyping.

Support

Support Communities

  1. 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
  2. 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
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