CONTROLBIT is a Korean embedded firmware company delivering UWB, BLE, and IMU-based positioning and motion devices all the way to mass production. We design the optimal firmware at the core of your product, then build and validate complete prototypes.
We listen closely to your business goals and put close communication first.
Indoor positioning systems powered by Bluetooth 5.1 Direction Finding. Precise location computed from Bluetooth beacon data.
MEMS-based motion recognition sensors and applied devices. Motion detection and counting algorithms built on IMU sensors.
Compact wireless charging receiver modules for wearables, with waterproof and dustproof designs for any environment.
From sensors to AI edge computing โ proven solutions, end to end.
Positioning sensors that compute their own location from Bluetooth beacon data.
Motion-sensing devices and applied sensor development.
Compact wireless charging receiver modules for wearable products.
Commercial product development focused on wearable devices and services.
Smart sensors powered by AI learning on edge computing.
BLE sensors and applied products that connect with smartphones.
Explore our in-house positioning and motion products. Full specifications on each product page.

AoA/AoD array antenna module built on Bluetooth 5.1 Direction Finding
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RF-based real-time location system (RTLS) locator
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UWB precision positioning anchor ยท scans BLE devices and relays data over TCP/IP
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IMU-based attitude and heading reference (AHRS) serial motion sensor module
Learn more โDesigned and verified directly by embedded experts with 22+ years of experience.
We review your specifications and propose the optimal architecture for your business goals.
Integrated hardware and firmware design secures the core performance of your product.
Firmware development plus complete prototype building and validation.
From validated prototype to mass production โ we stay responsible to the end.
Dozens of hardware and firmware projects successfully delivered since 2018.

Door lock control with BLE smartphone connectivity

Beauty device with LED and proximity sensor control

Diaper condition monitoring with temperature and humidity sensors

Workout motion counting with IMU sensors

Activity analysis that recognizes walking and running

Streams IMU data over BLE to smartphones
Send us your specifications and we'll get back to you after a technical review.