All Products

SKU: SF-KIT-13006

This is the SparkFun Decade Resistance Box, an involved PTH soldering kit that allows you to quickly and accurately dial in a specific resistance value between 0 and 999,990 Ω, in 10 Ω increments. The concept is simple, a decade box is a tool that contains resistors of many values that can be acc...

SKU: SF-COM-28384 · MPN: COM-28384

A compact thumbwheel potentiometer for adding analog control to your projects. The ergonomic wheel design allows for easy adjustment with one finger, making it perfect for volume controls, parameter adjustment, and user interfaces. Connect VCC to one outer pin, GND to the other, and the center p...

SKU: SF-COM-18435 · MPN: COM-18435

This through-hole resistor is a simple, breadboard-friendly passive component for prototyping and general electronics work. It is commonly used with breadboards and perf boards, making it handy for pull-ups, pull-downs, voltage dividers, current limiting and signal conditioning.The leads are desi...

SKU: SF-COM-27915 · MPN: COM-27915

This is a compact surface-mount thick film resistor for PCB assembly and prototyping. It has a resistance of 27 Ohms, a 1/10W power rating, and ±5% tolerance.The part is supplied as a single SMD resistor, making it suitable for repairs, small builds, or adding a precise value to your parts drawer...

SKU: SF-COM-30155 · MPN: COM-30155

This surface-mount resistor provides a very low resistance value of 220 mOhms with ±1% tolerance, making it useful for compact PCB designs where precise low-value resistance is required.It is a thick film SMD part with two terminations and an automotive AEC-Q200 feature listing. The manufacturer ...

SKU: SF-COM-18275 · MPN: COM-18275

This surface-mount resistor provides 240 Ohms of resistance in a compact SMD package, suitable for general electronics builds, repairs and prototyping where a fixed resistor value is needed.It is rated for 1/10W power dissipation with a ±1% tolerance, making it a handy choice for circuits that ne...

SKU: AF-1084

Click click click - oh pardon me I was having fun clicking away on my mechanical decade counters. Each order comes with five individual counters. They're snap together so you can connect as many or as few as you'd like. Each one has two buttons - an up counter and down counter. Once you get to 9 ...

SKU: SF-COM-18161

Although small in size, KW4-Z5F roller microswitches are rated for controlling electrical loads ranging from logic level (computer based circuits) to power duty switching (up to 16.1 A and 250 Vac). The package size of the subminiature switch is ideal for applications where space on the equipment...

SKU: SF-COM-13253

This is a single pole, 10 position rotary switch able to select up to 10 different states in a durable package. Unlike our other rotary switch, this model is much more robust and capable of handling larger currents and voltages. You may find this rotary switch familiar, it’s the same one we tr...

SKU: SF-KIT-13053

Holy Wattage, Batman! This Power Resistor Kit comes with 5 each of 5 different 10 Watt resistor values including 1, 2, 4, 8, and 16 Ohms. These resistors are capable of dissipating large amounts of power without damaging themselves. This kit is perfect for testing projects that require large amou...

SKU: SF-COM-14624

A panel-mount rotary potentiometer with a 100 kΩ logarithmic taper. Turn the knob and the resistance changes smoothly — ideal for volume controls and other audio applications where a logarithmic response matches human perception. Connect VCC to one outer pin, GND to the other, and the centre pin...

SKU: SF-COM-10349

The FQP27P06 is a P-channel enhancement-mode power MOSFET rated for −60V and −27A. With a very low on-resistance of 70 mΩ and a gate threshold compatible with 5V logic, it is well suited for high-side switching controlled by microcontrollers or mechanical switches. Specifications Type – P-Chan...

SKU: SF-COM-27925 · MPN: COM-27925

Keep your project powered through power-supply hot swaps with this compact ideal diode breakout from SparkFun. It provides reliable one-way voltage control for dynamic power selection and switchover, over-voltage protection, and designs that need a stable power input.The board breaks out four cha...

SKU: SF-COM-30153 · MPN: COM-30153

This surface-mount resistor is a compact 12.1 kOhms component for PCB assemblies, prototypes and repairs where a precise fixed resistance is needed.It is a thick film SMD resistor with ±1% tolerance and a 1/10W power rating, suited to dense circuit layouts and general low-power electronics work.T...

SKU: AF-1082

Click click click - oh pardon me I was having fun clicking away on my mechanical decade counters. Each order comes with five individual counters. They're snap together so you can connect as many or as few as you'd like. Each one has two buttons - an up counter and down counter. Once you get to 9 ...

SKU: SF-COM-11620

A compact linear-taper slide potentiometer rated at 10 kΩ and 0.1 W. This small slider features solder tab connections, a 20 mm travel distance, and two mounting holes for easy installation. Key Features Linear Taper – Smooth, proportional resistance change across the travel range Solder Tab ...

SKU: SF-SEN-09375

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 ...

SKU: SF-COM-18279 · MPN: COM-18279

This surface-mount resistor is a simple, reliable passive component for electronics builds, repairs and prototyping. It provides 470 Ohms resistance with ±1% tolerance in a thick film SMD package.Rated for 0.1W / 1/10W, it is suitable for compact PCB designs where a through-hole resistor is not r...

SKU: SF-SEN-13637

A simple breakout board for measuring moisture in soil and similar materials. The two large exposed pads act as probes — functioning as a variable resistor where higher moisture means better conductivity, lower resistance, and a higher signal output. This version includes a 3-pin screw terminal p...

SKU: SF-SEN-08679

A thin, flexible membrane potentiometer that senses finger or stylus position along a 200 mm strip. Pressing anywhere on the strip varies resistance linearly from 100 Ω to 10 kΩ, providing accurate positional data for user interfaces, sliders, and control inputs. The connector uses 2.54 mm (0.1"...