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business domain Controlbit has long experience in the wearable device field and

in IT applications  We have development experience and know-how.
Excellent research/technical manpower who can develop optimized ICT-related devicespossessed  We are an IT professional company.


BLE/MCU board and firmware development

Controlbit services BLE AOA/AOD products, BLE application products, and MCU firmware programming.

​Please leave an inquiry describing the development specifications or send it by e-mail, and we will respond after technical review.

Bluetooth Low Energy (BLE)

Nordic Semiconductor 

Silicon Labs

nRF52 series







STM8 series, STM32 series

PIC series, AVR series

8051 series, ARM-M0

RL78/G13 series



​Motion recognition

wireless charging module

BLE AOA/AOD based indoor positioning

MEMS-based motion recognition

Dedicated to wearable-based small products 


RTLS development

Bluetooth AoA AOD sensor

 Technology to calculate one's location based on data received from a Bluetooth beacon.

Motion recognition solution

motion recognition solution

Sensor for motion recognition and

Application device development

Development of wireless charging reception module

​Development of wireless charging reception module

Small wireless charging receiving module used in wearable fields

Wearable product development

Wearlove product development

Development of commercial products focusing on wearable devices and services

AI smart sensor development

​AI smart sensor development

Smart sensor through AI learning using edge computing

Development of BLE application products

BLE application development

Development of BLE sensors and application products that work with smartphones

Thanks to our continuous efforts, we have successfully completed past projects.

We faced some challenges, but we overcame them through team collaboration and finding creative solutions. We will continue to do our best to satisfy our customers based on more experience.




Develop an RF-based real-time location determination system and application using  Angle of Arrival (AoA) and Angle of Departure (AoD) protocol level support equipped with the direction finding function of Bluetooth 5.1.


BLE Scanner Gateway

Scan BLE devices and send data to the server via TCP/IP

Screenshot 2023-12-21 161024.png

​Smart door lock

Designed to be easily opened with added door lock function and BLE linkage function

Screenshot 2023-12-21 163056.png

skin therapy

Skin care products using LED, proximity sensor, and charging circuit control

Screenshot 2023-12-21 163108.png

diaper alarm

A product that monitors the status of diapers by controlling the BLE function and temperature and humidity sensor.

Screenshot 2023-12-21 163119_edited.jpg

Motion recognition health band

A product developed to recognize motion using an IMU sensor and counter the corresponding exercise motion.

Screenshot 2023-12-21 163129_edited.jpg

Activity pattern recognition smart band

​A product that monitors and monitors walking and running movements by recognizing patterns after wearing a band.

Screenshot 2023-12-21 163139.png

BLE based remote control 

With simple operation, you can

​Product that provides a photo shutter function

Screenshot 2023-12-21 163150.png

BLE wearable motion sensor

A product that transmits IMU data through BLE and can be used in conjunction with the service on a smartphone

Screenshot 2023-12-21 163225.png

​Wireless charging product for motion sensor

This product is waterproof and dustproof through wireless charging and can be applied to various places that require motion recognition.

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