DFRobot SEN0686 Circular Flexible Potentiometer Sensor
DFRobot SEN0686 Circular Flexible Potentiometer Sensor is an advanced position tracking component designed to overcome the physical limitations of traditional mechanical switches. Utilizing innovative graphene-based pressure-sensitive materials within a 0.45mm ultra-thin structure, this membrane rotary sensor converts physical pressure into a linear voltage signal ranging from 0.2V to 0.8V. Unlike bulky mechanical counterparts, the DFRobot SEN0686 offers a contact-based sensing mechanism with a rapid response time of less than one millisecond and a low trigger force of 20g. Designed for reliability, the component boasts a lifespan exceeding one million cycles, making it an essential solution for precise angular displacement feedback in space-constrained environments such as industrial automation systems, service robots, and smart home interfaces.
Features
- Converts physical pressure into a linear voltage signal ranging from 0.2V to 0.8V
- A contact-based sensing mechanism with a rapid response time of less than 1 millisecond
- Low trigger force of 20g
- Advanced graphene construction for extended durability
- 0.45mm ultra-thin profile for seamless integration
Applications
- Robotics - joint angle detection and soft-touch feedback
- HMI interfaces - custom volume knobs, lighting dimmers, or scroll wheels on curved surfaces
- Gaming - creating ultra-low profile triggers or circular input pads
- Internet of Things (IoT) devices - position monitoring in smart locks or valve controllers
- Wearables - integration into clothing or accessories for gesture detection
Specifications
- 0.45mm thickness
- 20g to 50g actuation force
- 20g to 200g recommended pressure range
- Curved spring/D3 rubber tip recommended plunger
- Spring plate/spring/weight block pressure application method
- ＜ 100Ω contact resistance
- Off-state resistance is infinite (V1-V0, V1-V+)
- ＜ 0.01S activation time
- > 1 million cycles (normal flexible pressing) durability
- ＜ 1ms response time
- -20°C to +65°C operating temperature
Dimensions (mm)
