5-Pack CJMCU-103 Rotary Angle Sensor Module 10KΩ Potentiometer
5-Pack CJMCU-103 Rotary Angle Sensor Module 10KΩ Potentiometer
CJMCU-103 Rotary Angle Sensor Module – 5-Pack Potentiometer for Precise Position Measurement
Get reliable, high-accuracy rotary position sensing with this 5-pack of CJMCU-103 Rotary Angle Sensor Modules. Featuring a dust-proof potentiometer design and analog voltage output, these compact PCB modules integrate effortlessly with Arduino, Raspberry Pi, and other microcontroller platforms — ideal for hobbyists, engineers, and educators working on electronics projects.
Made in Mainland China.
Key Features
- Precise Rotary Measurement: Effective rotation range of 0°–333.3° with ±2% linearity for accurate, repeatable position readings in demanding applications.
- Long Service Life: Rated for up to 300,000 rotations, ensuring lasting durability across a wide range of projects and prototyping cycles.
- Analog Voltage Output: Delivers a clean analog signal that integrates seamlessly with microcontrollers and data acquisition systems — no extra conversion hardware needed.
- Wide Operating Temperature: Performs reliably from -40°C to +85°C, making it suitable for indoor lab environments and more demanding outdoor or industrial setups.
- Compact & Easy to Mount: Surface-mount (SMD/SMT) design with a 4mm rotating hole diameter and 10KΩ trimmer potentiometer fits neatly into tight PCB layouts without sacrificing functionality.
Technical Specifications
| Part Name | Rotation Angle Sensor (CJMCU-103) |
| Material | PCB |
| Color | Purple |
| Rotation Angle | 0°–333.3° (Electrical & Mechanical, Continuous) |
| Output Type | Analog Voltage |
| Linearity | ±2% |
| Resistance | 10KΩ ± 30% |
| Actuator Type | Shaft-to-Hole (4mm rotating hole diameter) |
| Mounting Type | Surface Mount (SMD/SMT Lug) |
| Operating Temperature | -40°C to +85°C |
| Lifespan | Up to 300,000 rotations |
Package Contents
- 5 × CJMCU-103 Rotation Angle Sensor Modules
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Note: Actual product color may vary slightly from images due to monitor brightness and display settings. Please allow minor measurement tolerances.
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Frequently Asked Questions
Q: What microcontroller platforms are compatible with the CJMCU-103 Rotary Angle Sensor Module?
A: The CJMCU-103 features a standard analog voltage output, making it compatible with a wide range of microcontroller platforms including Arduino, Raspberry Pi, ESP8266, ESP32, and most other development boards that support analog input. Simply connect VCC, GND, and the analog signal pin to your board's ADC input for straightforward data acquisition.
Q: What is the effective rotation angle of this sensor?
A: The CJMCU-103 has an effective electrical and mechanical rotation range of 0° to 333.3°, with a linearity of ±2%. This makes it well-suited for applications requiring precise and repeatable rotary position measurements within that range.
Q: Is this sensor module suitable for outdoor or high-temperature environments?
A: Yes. The CJMCU-103 operates reliably across a wide temperature range of -40°C to +85°C, making it appropriate for both standard indoor lab use and more challenging environments where temperature extremes may occur. The dust-proof design also adds extra protection in workshop or field settings.
Q: How long will these sensor modules last?
A: Each CJMCU-103 sensor is rated for up to 300,000 rotations, providing excellent long-term reliability for prototyping, production testing, or ongoing project use. Buying this 5-pack ensures you have spares on hand and consistent performance across multiple builds.