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터치 센서 포텐셔미터 -256 위치 (Touch Potentiometer)
판매가격 : 34,100
상품코드 :[3514]JOHN2
배송일 :당일발송
제조사 :Sparkfun
브랜드 :SparkFun [브랜드몰 바로가기]
남은수량 : 2개
구매수량 :
총 금액 :
추가&대량구매 요청 053-588-4080

터치 포텐쇼미터로써 작은 격자를 통해 256개의 위치에 대한 터치 검출이 가능하며, 아두이노 및 다른 마이크로컨트롤러와의 호환성이 좋습니다. 이를 통해 LED 밝기 조정 및 볼륨 제어를 할 수 있습니다.



Description: The SparkFun Touch Potentiometer, or Touch Pot for short, is an intelligent linear capacitive touch sensor that implements potentiometer functionality with 256 positions. It can operate as a peripheral to a computer or embedded micro-controller or in a stand-alone capacity. The Touch Potentiometer provides both a dual-channel analog and PWM output for direct control of other circuitry. Configurable analog and PWM transfer functions support a wide variety of applications such as volume control and LED dimming.

The Touch Potentiometer is controlled by a Microchip PIC16F1829 8-bit micro-controller that provides the host interface, LED control, capacitive sense and peripheral control functions. A built-in low-dropout voltage regulator allows operation over a range of input voltages up to 12V and breadboard friendly connectors make it easy to play with. A desktop application has been created by our collaborator, Dan Julio, that communicates with the Touch Pot over a serial connection. From this utility app you can change configuration settings, alter LED behavior, calibrate the capacitive touch sensor, view current readings in jabber mode, and much more.

Note: This product is a collaboration with danjuliodesigns. A portion of each sales goes back to them for product support and continued development.

Features:

  • Dual host interfaces: Logic-level serial and I2CTM
  • Dual 8-bit 20 k-ohm 3-terminal digitally controlled variable resistor outputs
  • PWM output
  • 8 LED display with multiple display modes and intensity levels
  • Option for interpolated (soft) changes between touches
  • Configurable touch sensor parameters for a variety of PCB covers
  • Easily configurable I2C address to allow multiple devices on one bus
  • Configurable linear or non-linear PWM transfer function
  • Configurable linear or simulated logarithmic variable resistor transfer function
  • Variable resistor supports single- or dual-supply operation
  • Simple register interface with jabber option
  • Programmable power-on default operation
  • Built-in calibration procedure
  • User-accessible EEPROM data storage
  • Built-in 5V LDO voltage regulator
  • Through-hole and SMT connectors

Documents:

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