Sale Note: These retail HIH-4030 Breakouts were sent back to us by one of our distributors. We've verif…

Sale Note: These retail Bluetooth Mate Silvers were sent back to us by one of our distributors. We've v…

Sale Note: These retail BMP085 Breakouts were sent back to us by one of our distributors. We've verifie…

Sale Note: These Beginner Tool Kits were sent back to us by one of our distributors. We've verified that they ope…

Sale Note: These SIK V3s were sent back to us by one of our distributors. We've verified that they operate as nor…

 This is the FadeCandy from Adafruit, a USB controlled LED driver with on-board dithering to help illuminate your Neop…

This is the half-sized Raspberry Pi Perma-Proto Breadboard from Adafruit, a simple solder-able-type bare PCB kit that affo…

This is the low profile Raspberry Pi microSD card adapter from Adafruit. We know what you're thinking, "Why can&#…

 The Raspberry Pi is everybody's favorite little computer and adding a Camera Module or Pi NoIR opens the door int…

 The Raspberry Pi is everybody's favorite little computer and adding a Camera Module or Pi NoIR opens the door int…

The Raspberry Pi is everybody's favorite little computer and adding the PiFace Digital expansion board opens up all so…

 The Beaglebone Black is a great credit-card-sized development platform with a fast growing community, why would you n…

 The Beaglebone Black is a great credit-card-sized development platform with a fast growing community, why would you n…

 The Arduino Yun is a great WiFi development board that combines the power of Linux with the ease of Arduino, why woul…

 The Arduino Yun is a great WiFi development board that combines the power of Linux with the ease of Arduino, why woul…

 The Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe …

The Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe and s…

Everything you need to get started with 8 pin PICAXE microcontrollers! Please note: This kit does NOT include a progra…

 This is the retail version of our BMP180 Breakout Board. This is the same as our regular barometer, but in retail pac…

This is the Sunny Buddy, a maximum power point tracking (MPPT) solar charger for single-cell LiPo batteries. This MPPT sol…

Introducing the BITalino, a (comparatively) low cost biomedical data acquisition dev board that allows you to create proje…

We've all seen toys and things that change color when you run them under warm water or heat them up in the sun. Some o…

 This is a shield for the CC3000 WiFi Module. The CC3000 from TI (Texas Instruments) is a self-contained wireless netw…

This is a breakout board for the CC3000 WiFi Module. The CC3000 from TI (Texas Instruments) is a self-contained wireless n…

 The CC3000 from TI (Texas Instruments) is a self-contained wireless network processor that makes incorporating intern…

 Want to start playing with sensors, but don't know where to begin? This kit includes a variety of basic sensors f…

Do you need to permanently affix your board to one location without using screws? With this 3M VHB (very high bond) foam d…

This is the P2N2222A, an NPN silicon BJT (Bipolar Junction Transistor). This little transistor can help in your project by…

NOTE: This is a new revision of the Beaglebone Black. It has not started shipping yet and has an expected ship date for th…

 This is a simple 10-Pin SMD female header. These are standard 0.1" spaced header pins that can be surface m…

 This is a row of 40 break away headers spaced 0.1" apart with long pins on both sides. This header is especially…

This is the Mindwave Mobile from NeuroSky, an EEG headset that safely measures and transfers the power spectrum (alpha wav…

The RFM12BSP is a great inexpensive option for wireless communication; it's an ISM band FSK transceiver module implemen…

 Pianos are heavy and can take about a year to make. What if you could have one that weighed only a few grams and took…

 Are you a Java or Android developer looking to add advanced hardware I/O capabilities to your Android or PC applicati…

Handmade Electronic Music: The Art of Hardware Hacking provides a long-needed, practical, and engaging introduction to the…

 This is the Teensy Audio board add-on for the Teensy 3.0 and 3.1 development boards. This audio board provides you wi…

This is the BC127, a highly flexible, low power, small form factor Bluetooth Version 4.0 Certified Audio module. Each modu…

This is a simple 2x3 male PTH header. This header is in the common configuration for an ISP connector. Each pin has a spac…

 Binary Blaster is a game designed to help teach what binary numbers are and how to convert from decimal (and hex…

 This is the Mini Solder-able Breadboard. A bare PCB that is the exact size as our mini modular breadboards with the s…

 The ML8511 breakout is an easy to use ultraviolet light sensor. The MP8511 UV (ultraviolet) Senso…

This is the HP QDSP-6064 bubble display, a tiny, 4-digit, 7-segment numerical indicator. THis little guy is perfect i…

 This is the T5403 breakout board, a fully calibrated barometric pressure sensor with an I2C interface. The T5403 sens…

 Rechargeable 9V batteries are cool, but chargers for them are not very common. This charger can charge 2 9V Li-Ion or…

We all know that not every Arduino shield is 3.3V, many are 5V boards. This is the voltage translator shield, an easy to u…

The EM-506 GPS receiver from USGlobalSat based on the spectacular SiRF StarIII chipset. This complete module is built upon …

 The RedBot Mainboard is a robotic development platform that works with the Arduino IDE. The RedBot is a motor driver …

 The Sound Detector is a small and very easy to use audio sensing board with three different outputs. The Sound Detector n…

 This is the Large Solder-able Breadboard. A bare PCB that is the exact size as our full-size breadboard with the same…