Sparkfun

US$25.95
This is a sensor board for the VL6180 distance sensor. Unlike most distance sensors that rely on reflected light intensity or reflected angles to determine range, the VL6180 uses a precise clock to measure the time it takes light to bounce back from a surface.
Delivery within 1-2 weeks
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US$5.95
This is the SparkFun RJ45 MagJack Breakout, a simple board that will provide you with a way to put an ethernet port into your breadboard. The SparkFun RJ45 MagJack Breakout is the same one found in our very own mbed Starter Kit and breaks out each pin from the ethernet jack.
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US$19.95
This is a stepper motor driver board for bi-polar stepper motors up to a max 2A/phase. It is based on the Allegro A4988 stepper driver chip. It’s the next version of the popular Easy Driver board.
Delivery within 1-2 weeks
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US$41.95
The MicroView is the first chip-sized Arduino compatible module that lets you see what your Arduino is thinking using a built-in OLED display. With the on-board 64x48 pixel OLED, you can use the MicroView to display sensor data, emails, pin status, and more.
Delivery within 1-2 weeks
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US$24.95
This is a simple add-on to give your Arduino the capability to interface with Vernier sensors. Attached to this interface shield are four British Telecom sockets (2 Analog, 2 Digital) which all Vernier sensors use as connectors.
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US$1.75
This is a simple three wire cable. Each cable is 6" long and is great for jumping from board to board or just about anything else. There is a 3-pin JST connector with 0.1" spacing on both ends.
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US$2.25
This is a very simple board designed to easily provide you access to each pin on our10-position rotary switches (COM-13253). This breakout allows you to easily add a rotary switch to your next project without having to worry about attaching its unique footprint to a custom board or solderless breadboard.
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US$10.95
This is a simple and durable robotics kit that is great for “getting a grip” on pretty much any robotics project! Designed for use with any standard size Hitec or Futaba servo, the gripper kit is easy to assemble and requires only a Phillips Head Screwdriver. 
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US$10.95
This Standard Gripper is capable of opening an impressive 6" wide max, has an overall body length of 5" long with a 1.3" wide servo housing body, and offers 6-32 mounting thru-holes along the edges of the servo housing.
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US$6.95
This Micro Gripper is capable of opening 2.75" wide max, has an overall body length of 1.7" long with a 1.3" wide servo housing body, and offers three 6-32 mounting thru-holes along the edges of the servo housing.
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US$6.95
This Micro Gripper is capable of opening 2.75" wide max, has an overall body dimension of 2.6" long by 1.3" wide, and offers the 0.77" hub pattern for easy mounting on Actobotics components.
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US$51.95
This is an all-in-one kit that offer everything you need to get your next RFID project off the ground. This kit includes our USB RFID Reader, ID-12LA RFID module, and two 125kHz RFID cards. We’ve done away with the annoying clamshell and now offer this in the same type of box as the rest of our kits.
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US$29.95
These pliers are capable of crimping very small 0.25 - 1.5mm crimp pins and 28-20 AWG wires together. All you need to do is press the handles together with enough force and the pliers will release, once this happens you know your crimping is done! These work well with JST PH, SH, SHL, and ZH series pins.
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US$15.95
This is the SparkFun USB to Serial Breakout for the FT232RL, a small board with a built in USB to serial UART interface. This little breakout is built around the FT232RL IC from FTDI, with an internal oscillator, EEPROM, and a 28-pin SSOP package this is a serious little chip.
Delivery within 1-2 weeks
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US$31.95
This is 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 accessed via mechanical switches.
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