{"product_id":"100k-ohm-linear-rotary-potentiometer-100k-ω-adjustable-variable-resistor","title":"100k Ohm Linear Rotary Potentiometer (100k Ω Adjustable Variable Resistor)","description":"\u003ch3\u003e100K Ohm Linear Rotary Potentiometer (100KΩ Adjustable Variable Resistor)\u003c\/h3\u003e\n\u003cp\u003eThe 100K Ohm Linear Rotary Potentiometer (100KΩ Adjustable Variable Resistor) is a high-quality variable resistor designed to provide smooth and accurate manual adjustment of voltage, current, and signal levels in electronic circuits. With a maximum resistance of 100K Ohms (100,000Ω) and a linear taper, this potentiometer delivers a uniform change in resistance throughout its rotation, making it ideal for applications requiring precise and predictable control.\u003c\/p\u003e\n\u003cp\u003eThis rotary potentiometer consists of a durable resistive element, a rotating shaft, and a movable wiper that slides across the resistive track as the shaft is turned. By changing the position of the wiper, the potentiometer adjusts the resistance or output voltage, making it suitable for voltage divider circuits, signal conditioning, analog control, calibration, and sensor adjustment.\u003c\/p\u003e\n\u003cp\u003eManufactured using premium-quality resistive materials and corrosion-resistant metal contacts, the potentiometer offers excellent electrical stability, low noise, smooth rotational movement, and a long mechanical lifespan. The robust metal shaft is compatible with standard control knobs, while the threaded bushing allows secure panel mounting for professional and reliable installation in electronic equipment.\u003c\/p\u003e\n\u003cp\u003eThe 100K Ohm Linear Rotary Potentiometer is widely used in Arduino, ESP32, ESP8266, Raspberry Pi, STM32, audio amplifiers, power supplies, robotics, industrial automation, instrumentation, embedded systems, DIY electronics, educational kits, laboratory equipment, and electronic repair applications. It is commonly used for adjusting audio levels, controlling LED brightness, regulating motor speed, calibrating sensors, tuning analog circuits, and setting reference voltages.\u003c\/p\u003e\n\u003cp\u003eIts compact size, simple three-terminal configuration, and dependable performance make it an essential component for engineers, technicians, students, makers, and electronics enthusiasts working on a variety of analog and digital projects.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWorking Principle\u003c\/h3\u003e\n\u003cp\u003eThe potentiometer operates by varying resistance through the rotation of its shaft.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTwo outer terminals are connected to the ends of a resistive element.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe center terminal is connected to a movable wiper.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRotating the shaft moves the wiper along the resistive track.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThis changes the resistance between the center terminal and either outer terminal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhen connected as a voltage divider, the output voltage changes proportionally with the shaft position.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhen used as a variable resistor (rheostat), it controls current by adjusting resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBecause it has a linear taper, the resistance changes evenly across the full rotation, making it ideal for precision adjustment and calibration applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eResistance value: 100KΩ (100,000 Ohms)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLinear taper for uniform resistance adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth and precise rotary operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable variable resistor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThree-terminal configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh electrical stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow noise performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDurable resistive element\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion-resistant metal contacts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLong mechanical operating life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandard rotary shaft compatible with control knobs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThreaded bushing for secure panel mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact and lightweight design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEasy PCB and panel installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable long-term performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThe 100K Ohm Linear Rotary Potentiometer is widely used in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eArduino projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eESP32 development\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eESP8266 projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRaspberry Pi electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSTM32 development boards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnalog input circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVoltage divider circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSensor calibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignal adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAudio amplifiers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVolume control circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTone control systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLED brightness control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMotor speed regulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower supply adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRobotics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEmbedded systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLaboratory instruments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTest and measurement equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIY electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEducational electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectronic repair and maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProduct Type: Linear Rotary Potentiometer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResistance Value: 100KΩ (100,000 Ohms)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTaper Type: Linear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNumber of Terminals: 3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustment Method: Rotary Shaft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounting Type: Panel Mount \/ PCB Mount (depending on model)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShaft Material: Metal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBody Material: High-quality insulating plastic with metal housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating Principle: Variable resistor \/ Voltage divider\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical Rotation: Approximately 270° (varies by model)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Electro Robo Store","offers":[{"title":"Default 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