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These blue precision disk wheels have an outer diameter of 2”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are idea...

These clear precision disk wheels have an outer diameter of 2”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ide...

These orange precision disk wheels have an outer diameter of 2”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are id...

These red precision disk wheels have an outer diameter of 2”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ideal...

These clear pink precision disk wheels have an outer diameter of 3”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels ar...

These black precision disk wheels have an outer diameter of 4”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ide...

These clear orange precision disk wheels have an outer diameter of 4”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels ...

These black precision disk wheels have an outer diameter of 5”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ide...

These clear precision disk wheels have an outer diameter of 5”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ide...

These orange precision disk wheels have an outer diameter of 5”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are id...

These white precision disk wheels have an outer diameter of 5”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are ide...

These yellow precision disk wheels have an outer diameter of 5”, a width of 0.23”, and utilize the 0.77” hub pattern. These simple wheels are id...

These precision gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to...

Here at SparkFun, we refuse to leave ‘good enough’ alone. That’s why we’re adding to our line-up of Arduino-compatible microcontrollers once more! ...

Here at SparkFun, we refuse to leave ‘good enough’ alone. That’s why we’re adding to our line-up of Arduino-compatible microcontrollers once more! ...

The SIS-2 monitors an IR receiver, and when a certain remote code is detected, an output pin will toggle. Two outputs are available and any code...

The name of this part pretty much says it all! This is the Proto Pedal Enclosure, a custom-machined aluminum case designed specifically for the ...

This is a very simple but extremely handy, 1" square, single sided perf board. Standard 0.1" spacing with a 4-40 (3mm) hole for mounting. Every ...

This is a very simple but handy, 2" square, double sided perf board. Standard 0.1" spacing with a 4-40 (3mm) holes for mounting. Great for quickly ...

An empty canvas for electrical enthusiasts! Designed to fit the SFE project enclosures this project board gives you 8x10cm (3.15x3.94") of build...

The ScrewShield extends all pins of the Arduino out to 3.5mm pitch screw terminals. It also has a lot of the utility provided by Arduino Prot...

The ProtoSnap series is a new way to prototype your project without a breadboard. Everything is wired together on a single board, which makes it...

The VCNL4040 is a simple IR presence and ambient light sensor. This sensor is excellent for detecting if something has appeared in front of the ...