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Sparkfun products range from things like resistors and LEDs to humidity sensors and LCD screens. Including: Books, Cables, Cellular, Components, Development Tools, E-Textiles, GPS, Kits, LCDs, Programmers, Prototyping, Sensor, Tools, Robotics, Wireless
| Product | Description | Price | Add to Cart | |
|---|---|---|---|---|
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Force Sensitive Resistor 0.5" | This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. This FSR can sen... | $7.91 | |
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Flex Sensor 2.2" | A simple flex sensor 2.2" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power Glove. I love the Nintendo Power Glove. It's so bad! The resistance of the flex sensor changes when the metal pad... | $8.88 | |
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Force Sensitive Resistor - Square | This is a force sensitive resistor with a square, 1.75x1.5", sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. This FSR can sense applied force any... | $10.49 | |
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Force Sensitive Resistor - Small | This is a small force sensitive resistor. It has a 0.16" (4 mm) diameter active sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR, its resistance will be larger than 1MΩ,... | $6.84 | |
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Piezo Vibration Sensor - Large | This basic piezo sensor is often used for flex, touch, vibration and shock measurements. A small AC and large voltage (up to +/-90V) is created when the film moves back and forth. A simple resistor should get the voltage down to ADC levels. Can also be used for impact sensing or a flexible switch. Comes with solderable ... | $3.39 | |
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Flex Sensor 4.5" | A simple flex sensor 4.5" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power Glove. I love the Nintendo Power Glove. It's so bad! The resistance of the flex sensor changes when the metal pad... | $17.19 | |
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Load Sensor - 50kg | This load sensor is the same one found in digital bathroom scales (you know, the ones you use in January for your New Year's resolutions, and then forget about a month later). This sensor can measure up to about 110 pounds. Check the video below for a tutorial about load sensors. Documents: Specifications Load Sensor Tutorial | $11.44 | |
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Piezo Vibration Sensor - Small Horizontal | The Minisense 100 is a low-cost cantilever-type vibration sensor loaded by a mass to offer high sensitivity at low frequencies. Useful for detecting vibration and 'tap' inputs from a user. A small AC and large voltage (up to +/-90V) is created when the film moves back an forth. A simple resistor should get the voltage down to ADC levels. Can... | $3.77 | |
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Force Sensitive Resistor - Long | This is a very long force sensitive resistor - over 2 feet - has a sensing area of 0.25x24". This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. T... | $17.95 | |
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Piezo Vibration Sensor - Large with Mass | This basic piezo sensor is often used for flex, touch, vibration and shock measurements. A small AC and large voltage (up to +/-90V) is created when the film moves back and forth. A simple resistor should get the voltage down to ADC levels. Can also be used for impact sensing or a flexible switch. Comes with solderable crimp pins... | $3.77 | |
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Piezo Vibration Sensor - Small Vertical | The Minisense 100 is a low-cost cantilever-type vibration sensor loaded by a mass to offer high sensitivity at low frequencies. Useful for detecting vibration and 'tap' inputs from a user. A small AC and large voltage (up to +/-90V) is created when the film moves back an forth. A simple resistor should get the voltage down to ADC lev... | $3.66 | |
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Flexiforce Pressure Sensor - 1lb. | This is a piezoresistive force sensor. The harder you press, the lower the sensor's resistance. Pressing lightly, the resistance changes from infinite to ~300k. The sensor itself is thin and flexible, but the resistance does not change while being flexed. Resistance changes only when pressure is applied to the round area at the end of the ... | $22.94 | |
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Wiper/Actuator - 1N to 3N Force | This is a small wiper/actuator that is used to provide adequate and even pressure on the surfaces of the potentiometers. Unit provides 1-3N of force.Specifications: M614 ThreadsOne thread per 1mm14mm length | $4.03 | |
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Flexiforce Pressure Sensor - 100lbs. | This is a piezoresistive force sensor. The harder you press, the lower the sensor's resistance. Pressing hard, the resistance changes from infinite to ~300k. The sensor itself is thin and flexible, but the resistance does not change while being flexed. Resistance changes only when pressure is applied to the round area at the end of the sen... | $22.94 | |
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SoftPot Membrane Potentiometer - 50mm | These are very thin variable potentiometers. By pressing down on various parts of the strip, the resistance linearly changes from 100Ohms to 10,000Ohms allowing the user to very accurately calculate the relative position on the strip. Can be used as an accurate positional indicator for CNC head positioning, variable user input (volume level inp... | $14.89 | |
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Flexiforce Pressure Sensor - 25lbs (1" area) | Flexiforce Pressure Sensor - 25lbs (1" area) sku: SEN-11207 This is a piezoresistive force sensor. The harder you press, the lower the sensor's resistance. Pressing hard, the resistance changes from infinite to ~50k. The sensor itself is thin and flexible, but the resistance does not change while being flexed... | $29.77 |

















