5-Pack CJMCU-103 Rotary Angle Sensor Module | Potentiometer PCB
5-Pack CJMCU-103 Rotary Angle Sensor Module | Potentiometer PCB
Get precise rotary position measurement with this 5-pack of CJMCU-103 Rotary Angle Sensor Modules. Each module features a dust-proof potentiometer design, analog voltage output, and a wide operating temperature range — making it an excellent choice for hobbyists, makers, and electronics engineers alike. Made in Mainland China.
Why Choose the CJMCU-103 Rotary Angle Sensor?
- Accurate Rotary Position Measurement: Delivers a continuous effective rotation angle of 0° to 333.3° with a linearity of ±2% for reliable, precise readings in your projects.
- Long-Lasting Durability: Rated for up to 300,000 rotations, this module is engineered for extensive use and long-term performance across a wide variety of applications.
- Analog Voltage Output: Seamlessly integrates with Arduino, Raspberry Pi, and other microcontroller platforms for straightforward data acquisition and processing.
- Wide Operating Temperature Range: Functions reliably from -40°C to +85°C, making it suitable for both indoor and demanding outdoor environments.
- Compact & Easy to Install: Features a trimmer potentiometer rated at 10KΩ ±30% and a rotating hole diameter of 4mm — perfect for tight PCB layouts and compact builds.
- Dust-Proof Design: The enclosed potentiometer housing helps protect internal components from dust and debris, extending operational life.
Specifications
| Part Name | Rotation Angle Sensor |
| Material | PCB (Plastic) |
| Color | Purple |
| Measures | Rotational Position |
| Rotation Angle (Electrical/Mechanical) | 0° – 333.3°, Continuous |
| Output | Analog Voltage |
| Actuator Type | Shaft-to-Hole |
| Linearity | ±2% |
| Resistance | 10KΩ |
| Resistance Tolerance | ±30% |
| Mounting Type | Surface Mount |
| Termination Style | SMD (SMT) Lug |
| Operating Temperature | -40°C to +85°C |
| Origin | Mainland China |
Package Contents
- 5 × CJMCU-103 Rotation Angle Sensor Module
Note: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow for minor manual measurement deviations.
You May Also Like
- Electromagnetic Induction Tester – Coil & Circuit Fault Detector
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool
- 360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit
Learn more: OSHA on eye and face protection
Frequently Asked Questions
Q: What microcontrollers are compatible with the CJMCU-103 Rotary Angle Sensor Module?
A: The CJMCU-103 Rotary Angle Sensor Module outputs an analog voltage signal, making it compatible with a wide range of microcontroller platforms including Arduino, Raspberry Pi, ESP32, STM32, and most other boards that support analog input reading. No special libraries are required for basic integration.
Q: How many rotations can the CJMCU-103 potentiometer handle before wearing out?
A: Each CJMCU-103 module is rated for up to 300,000 rotations, ensuring excellent longevity for prototyping, product development, and continuous-use installations alike.
Q: Is the CJMCU-103 Rotary Angle Sensor suitable for outdoor or high-temperature environments?
A: Yes. The sensor operates reliably across a temperature range of -40°C to +85°C. Its dust-proof design adds an extra layer of protection, making it well-suited for challenging environments both indoors and outdoors.
Q: Why does the pack include 5 sensor modules?
A: Having 5 units in a single pack provides excellent value for makers, educators, and engineers who need spares for prototyping, classroom projects, or multi-axis position sensing setups — all at a lower per-unit cost.