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Buy LOTS and save! A nice collection of 3mm LEDs in 5 popular colours. 40 x Red 3mm 40 x Green 3mm 40 x Blue 3mm 40 x White 3mm 40 x Yellow 3mm...

Feature:Installation: Circuit board assembly weldingSpeaker power: 3W per channelCase Size: 65 x 65 x 70mm (W / H / D)Function: With LED music spec...

Ever go to a diner and they give you a bottle of ketchup and it says "Extra Fancy" and you're thinking to yourself "what makes this ketchup 'extra ...

The "poor man's" accelerometer/motion sensor! These spring-vibration switches are high sensitivity non-directional vibration induced trigger ...

This super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature...

The all-mighty Jimmy from IFixIt is the best way out from an iRock and an iHardPlace. Slide, cut, twist, poke, slice, part, uproot, divide, lift, d...

This 20W adjustable DC-DC boost converter with a digital display is based on the professional boost chip and supports 3~32V power input, 5~35V ou...

Make your next project as you imagine it with prototyping perfboards that can easily be cut with scissors like these Bakelite Universal Perfboar...

Miniature Single Pole Single Throw switches. These are high quality Omron type B3F momentary on switches. Perfect as a tactile reset switch. Mounts...

The US1881 is an integrated Hall effect latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output ...

This Power Module is a small size 5A 350KHz 25V Buck DC to DC Converter. It can convert any DC voltage between 3.6V-25V to a selectable voltage f...

This red Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple ...

This green Mini Breadboard is a great way to prototype your small projects! With 170 tie points there’s just enough room to build and test simple c...

These are very bright LEDs. The LEDs are so bright that it hurts to look directly at them. Please take a look at the pictures to get an idea of the...

If you’ve ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level conve...

It’s your basic black action button! This is a very useful, small, panel-mount momentary switch. It is a SPST N.O. with the threaded portion bei...

You may check the latest version - Gravity: Analog pH Sensor/Meter Kit V2 to meet your requirements and Liquid Sensor Selection Guide to get bette...

Electrolytic decoupling capacitors 100uF/25V. These capacitors are great transient/surge suppressors. Attach one between the power and ground of yo...

Enclosed battery holder for three AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the...

This is a cute half size breadboard, good for small projects. It's 2.2" x 3.4" (5.5 cm x 8.5 cm) with a standard double-strip in the middle and two...

Strangely enough, that's the technical term for this desoldering vacuum tool. Useful in cleaning up mistakes, every electrical engineer has one of ...

Perfect for bread-boarding, free wiring, etc. This spool of solid-core wire is easy to solder to. When bent it keeps its shape pretty well. We like...