• WitMotion TTL Connection Line

WitMotion TTL Connection Line

● (1) High precision Data Transmission, easy to connection

● (2) Built-in imported CH340 chip, Provide Driver, Plug and Play function.

● (3) 1 meter long cable, only for WitMotion Sensor

● (4) Lifetime Technical Support: Email (, Mob/Whatsapp (+86 13652339539)

● (5) What you get: 1 x WitMotion USB-TTL cable

Product Description

WitMotion USB to TTL RS485 RS232 Multi-function Serial Interface Module 3.3v and 5v input Serial converter

Technical Specifications

NameWitMotion USB-TTL Serial Converter Cable
Built-in ChipCH340 chip
DriverCH340 UART Driver
Cable Length1 meter
Input Voltage3.3-5V
Baud Rate300 bps to 1.5 Mbps
Key FunctionUSB-TTL
USB Interface2.0
Temperature Range-40℃ to +85℃
Packing List1*USB-TTL Serial Converter
CompatibilityWindows 98SE, 2000, XP, Vista, Window7, 8, 10; Mac OS 9, Mac OS X & Linux 2.40; MCU compatible with UART interface like Arduino, Raspberry pi and more

WitMotion TTL Connection Line


Established in 2014, WitMotion Shenzhen Co.,Ltd aims to become a global leader in attitude sensor, AHRS IMU. Foud out more here in our Witmotion Brand Store on Amazon.

The company is dedicated to make attitude measurement and tilt angle sensing solutions more accessible and easier for engineers around the world. Widely used every day by customers in over 50 countries for energy and electric power, tower control, Monitoring, engineering machinery, medical, academic, integrated system, more developing projects.


● 20+professional engineer industry's top R&D team, and has a long-term collaboration with the Beihang University PhD team.

● WitMotion R&D protocol and Dynamic Fusion Algorithm

● over 50+ patents and software program

Research and Development Facilities:

● World's top-level of triaxial nonmagnetic turntable: All finished items will be calibrated through the turntable, ensuring the X Y Z angle's accuracy.

● High& low temperature test chamber, making sure that the sensor can actually work well under -40℃ ~ +85℃ environment

● Vector Network Analyzers(VNA): Bluetooth antenna impedance matching

● 6 degrees of freedom vibration test bench: sensor's high performance and stability secured under vibration and dynamic environment

Premium Components & QC System: All components are selected and certified under a strict quality control system from the procurement, manufacturing process to assembly, inspection.

Automatic Production&Assemble line of Factory:

Automatic Solder Paste Printing, Imported Placement Machine, Multi-temperature Reflow Soldering, Fully Automatic Inspection

WT901BLECL InclinometerWT901BLECL InclinometerBWT901CL AccelerometerBWT901CL AccelerometerBWT61CL Tilt SensorBWT61CL Tilt SensorWT901 Digital Compass WT901 Digital CompassMilitary-grade HWT905 Magnetometer Military-grade HWT905 MagnetometerWTGAHRS2 GPS IMU WTGAHRS2 GPS IMU
InterfaceBLE 5.0, Type-CBluetooth 2.0, Type-CBluetooth 2.0, Type-CTTLRS485 Modbus RTUTTL
CompatibilityAndroid phone, Windows PCAndroid phone, Windows PCAndroid phone, Windows PCWindows PC, Android phone, MCU Arduino, Raspberry pi, etcWindows PC, PLC system, MCU Arduino, Raspberry pi, etc.Windows PC, Android phone, MCU Arduino, Raspberry pi, etc
Input Voltage3.3-5V, in-built battery3.3-5V, in-built battery3.3-5V, in-built battery3.3-5V9-36V3.3-5V
3-Axis Acceleration
3-Axis Angular velocity (Gyroscope)
3-Axis Angle
3-Axis Magnetic Field
Output Frequency0.2HZ-50HZ0.2HZ--200HZ0.2HZ--100HZ0.2HZ--200HZ0.2HZ--200HZ0.2HZ--200HZ
HousingPlastic casePlastic casePlastic case
Aluminum case, IP67 waterproofPlastic case
Main FeaturesValue for money, Bluetooth range<50 meters, multiple-connection up to 4 units, 10 hours battery lifeBluetooth range<10 meters, multiple-connection up to 8 units, 4 hours battery lifeBluetooth range<10 meters, multiple-connection up to 8 units, 4 hours battery life9-axis High Accuracy sensor, Kalman FilteringMilitary-Grade Accuracy, RM3100 magnetometer& SCA3300 temp compensationChinese Beidou navigation system+ GPS, High-stability IMU sensor