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Just about all electronics use TTL serial for debugging, bootloading, programming, serial output, etc. But it's rare for a computer to have a seri...

If you need to connect a battery pack or wired power supply to a board that has a DC jack - this adapter will come in very handy! There is a 2.1mm ...

conducThis conductive material (also known as "Velostat" or "Linqstat") is a nice addition for your wearable/sensor hacking toolkit. It's pressure-...

Breakaway header is like the duct tape of electronics. It's great for connecting things together, soldering to perf-boards, fits into any breakout ...

These Female/Male Extension jumper wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are ...

Need to add analog inputs? This chip will add 8 channels of 10-bit analog input to your microcontroller or microcomputer project. It's super easy t...

This 1.5" diameter speaker cone is the perfect addition to any audio project where you need an 8Ω impedance and are using 0.25W or less of power. W...

Little clicky switches are standard input "buttons" on electronic projects. These work best in a PCB but can be used on a solderless breadboard as ...

There's two standard ways to power electronics - USB or 5.5mm/2.1mm DC barrel jack. This or that! With this USB to 2.1mm Male Barrel Jack Cable, yo...

Used along with the solder sucker to clean up soldering messes. Wick really comes in handy when soldering or desoldering surface-mount parts. Even ...

This enclosure was designed by Mike Doell - just like our elegant, beautiful, and functional Pi Case for Raspberry Pi Model B+ / Pi 2 and Pi 3.  Ma...

This RF adapter cable is super handy for anyone doing RF work. Often times, small electronics save space by having a pick-and-placeable u.FL connec...

Make a nice portable power pack with this 4 x AA battery holder. It fits any alkaline or rechargeable AA batteries in series. There's a snap on cov...

 Move fluid safely from here to there with this very nice little pump. Unlike most liquid pumps, this is a peristaltic type - the pump squishes the...

Make your own USB connections without slicing apart a USB cable and soldering those thin wires inside. This is the 'slim' version of the DIY USB-A ...

Silicone-sheathing wire is super-flexible and soft, and its also strong! Able to handle up to 200°C and up to 600V, it will do when PVC covered wir...

Punch in your secret key into this numeric membrane keypad. This keypad has 4 buttons, and since every key has its own wire line, no matrix code is...

Customers have asked us to carry basic perf-board, but we never liked the look of most basic perf: its always crummy quality, with pads that flake ...

By popular demand, we now have a handy extension cord for all of our JST-terminated battery packs (such as our LiIon/LiPoly and 3xAAA holders). One...

Round and round and round they go! 12 ultra bright smart LED NeoPixels are arranged in a circle with 1.5" (37mm) outer diameter. The rings are 'cha...