SparkFun Touch Potentiometer, Linear Capacitive Touch Sensor
Programmable 256-position touch potentiometer with I2C/PWM outputs for custom control systems. Built-in 5V regulator & LED display.
The SparkFun Touch Potentiometer is an innovative linear capacitive touch sensor that provides 256-position potentiometer functionality, controlled by an efficient PIC1F1829 8-bit microcontroller. This versatile device offers dynamic performance across numerous applications, from hobbyist projects to industrial uses.
Key Features
- Dual host interfaces: Logic-level serial and I2C™ supported
- Configurable I2C address for multiple devices on a single bus
- Adjustable touch sensor parameters for compatibility with various PCB covers
- Interpolated (soft) changes between touches for smoother control
- 8-LED display offering multiple display modes and intensity control
- Programmable transfer functions to suit diverse applications
- Stand-alone or peripheral operation flexibility
- PWM & dual-channel analogue outputs for seamless device control
- Supports single/dual-supply operation
- User-programmable power-on defaults
- EEPROM storage for custom settings retention
- Built-in 5V LDO regulator for stable power supply
Applications
The SparkFun Touch Potentiometer is ideal for creating intuitive touch interfaces in audio mixers, lighting controls, robotics and prototype development. Its high configurability and multiple output options make it perfect for experimenting with responsive control systems.
- DIY electronics projects
- Audio equipment controls
- Lighting systems
- Robotics interfaces
- Microcontroller: PIC1F1829 8-bit
- Resolution: 256-position potentiometer
- Interfaces: Logic-level serial, I2C™
- Outputs: PWM, dual-channel analogue
- Display: 8 LED with configurable modes
- Power Supply: 5V LDO regulator
- Configuration: EEPROM storage
- Dimensions: Not specified
- Weight: 10g
Always follow local regulations and product guidance. Use appropriate PPE.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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