On sale

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-32%
Reed Switch
$2.00 $2.95  
Out-of-stock
This is a small device called a reed switch . When the device is exposed to a magnetic field, the two ferrous materials inside the switch pull together and the switch closes. When the magnetic field is removed, the reeds separate and the switch opens. This makes for a great...
Out-of-stock
-31%
Tilt Sensor
$2.20 $3.20  
12 pc(s)
This basic tilt switch can easily be used to detect orientation. Inside the can are a pair of balls that make contact with the pins when the case is upright. Tilt the case over and the balls don't touch, thus not making a connection. There are numerous uses for these basic sensors,...
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-20%
XBee Explorer Serial
$26.00 $32.50  
1 pc(s)
This is a simple to use, RS232 to serial base unit for the XBee line. This unit works with all XBee modules including the Series 1 and Series 2, standard and Pro version. Plug the unit into the XBee Explorer, attach a RS232 cable, and you will have direct access to the serial and programming...
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-50%
Interface Cable RP-SMA to U.FL
$3.45 $6.95  
4 pc(s)
This connector cable interfaces UFL RF connectors to RP-SMA antennas. Use it to attach any standard RP-SMA 2.4GHz antenna to the DPAC 802.11 modules. Dimensions: 4" Length
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Force Sensitive Resistor - Small (FSR400) - Male Pin Header
$6.30 $9.00  
61 pc(s)
This is a small force sensitive resistor. It has a 0.16" (4 mm) diameter active sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR,...
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-7%
RS232 Shifter SMD Without DB9
$15.75 $17.00  
5 pc(s)
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller to communicate with a computer. Shifter SMD is powered from the target application and can run at...
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RF Link Receiver - 4800bps (434MHz)
$8.50 $9.10  
2 pc(s)
These wireless receivers work with our 434MHz transmitters. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of...
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Small Stepper Motor
$11.60 $14.50  
1 pc(s)
These small steppers are a great way to get things moving, especially when positioning and repeatability is a concern. Features : Stride Angle (degrees) : 7.5 2-Phase Rated Voltage : 12V Rated Current : 400mA 3mm Diameter Drive Shaft...
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4 x AA Battery Holder with Barrel Jack
$1.20 $1.50  
36 pc(s)
This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino Uno (among a number of other products) allowing you to easily make your project...
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SMC04 High-Power Motor Controller w/Feedback
$88.00 $125.00  
1 pc(s)
The SMC04 high-power motor controller with feedback has multiple interface and feedback options that simplify servo control of commonly available DC motors. T he module features three independent interfaces: a serial protocol for microcontroller-based applications, a pulse-width...
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-50%
Transceiver nRF24L01+ Module with Chip Antenna
$15.00 $30.00  
1 pc(s)
This module uses the newest 2.4GHz transceiver from Nordic Semiconductor, the nRF24L01. This transceiver IC operates in the 2.4GHz band and has many new features! Take all the coolness of the nRF2401A and add some extra pipelines, buffers, and an auto-retransmit feature - very nice!...
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Transceiver nRF2401A with Chip Antenna
$13.25 $26.50  
3 pc(s)
This nRF2401A module has the same minimum interface of 7 pins (all in a .1" spaced connector) as the original nRF2401A module, but the size is reduce by over 60%! These are the nRF2401A 2.4GHz transceiver modules with built in chip antenna designed around the Nordic Semiconductor nRF2401A...
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TEMT6000 Breakout Board
$6.00 $7.50  
3 pc(s)
Basic breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don't. Sensor acts like a transistor - the greater the incoming light, the higher the analog voltage on the signal pin. Documents: Datasheet Wiring Example...
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-6%
RS232 Shifter SMD
$23.00 $24.50  
2 pc(s)
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller to communicate with a computer. Shifter SMD is powered from the target application and can run at...
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-71%
USB Weather Board
$50.00 $175.00  
2 pc(s)
Got weather? This board can handle it. The USB Weather Board includes onboard sensors for barometric pressure, humidity, temperature, and light level. We've also added headers in the new version so you can connect the board to the weather meters (not included), adding sensors for wind...
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Break Away Headers - Right Angle
$1.00 $2.00  
1218 pc(s)
A row of right angle headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.
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Bluetooth Module Breakout - Roving Networks (RN-41 v6.15)
$27.50 $55.00  
1 pc(s)
This is a simple breakout for the Roving Networks Bluetooth module. All pertinent pins are broken out and labeled. This new version's headers are unpopulated. Check below for appropriate headers. The module from Roving Networks is powerful, small, and very easy to use. This...
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Potentiometer 10K with Knob
$0.95 $1.35  
587 pc(s)
There are lots of potentiometer out there. Some are very large, some so small they require a screwdriver. This 10K potentiometer has a small knob built right in and it's breadboard friendly to boot! Perfect for your next LCD contrast adjuster, opamp setting, or volume level. This model # is...
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9V Battery Snap to 2.1mm Barrel Jack Adapter
$0.90 $1.80  
75 pc(s)
This 9V Snap to 2.1mm Barrel Jack Adapter provides the ability to conveniently use a 9V battery to power many common boards and modules such as the popular Arduino and compatible microcontrollers. This plug is a common barrel type with an outside diameter of 5.5mm and an inside diameter of...
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Single Row Break Away Female Header
$0.75 $1.50  
273 pc(s)
Single row of 40-holes, female header. Can be cut to size with a pair of wire-cutters. Standard .1" spacing. We use them extensively in the Olimex development boards. They mate very well with break away headers. Please note: You will probably lose one pin with each cut....
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Sabertooth 2x25A 6V-24V Regenerative Motor Driver (v2)
$188.00 $235.00  
2 pc(s)
The Sabertooth 2X25 is one of the most versatile, efficient and easy to use dual motor drivers on the market. It is suitable for high powered robots - up to 100lbs in combat or 300lbs for general purpose robotics. Out of the box, the Sabertooth can supply two DC brushed motors with up...
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-11%
FTDI Basic Breakout - 3.3V
$23.95 $26.85  
3 pc(s)
This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 3.3V Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out...
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Mini Push Button Switch
$0.10 $0.20  
1043 pc(s)
Miniature Single Pole Single Throw switches. These are high quality momentary on switches. Perfect as a tactile reset switch. Mounts directly into standard bread boards. Rated up to 50mA. Documents : Datasheet (TSS-TC-0104)
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Hakko Soldering Iron - 40W 230V EU Plug
$9.95 $12.50  
37 pc(s)
This is a simple fixed temperature, quick heating soldering iron from Hakko. It is not as powerful as soldering station such as Hakko FX-888, but if you really need a low cost iron for your tool box, this lovely iron is a good choice. At 40W, this iron is perfect for kit building or minor...
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RedBot - Robotic Development Platform
$39.95 $49.95  
6 pc(s)
The RedBot Mainboard is a robotic development platform that works with the Arduino IDE. The RedBot is a motor driver and Ardiuno combination with various headers and connections, eliminating the need to stack multiple shields. By using the RedBot accessory boards and your own chassis, you...
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Single Row Break Away Pin Header - Straight (Black)
$0.75 $1.50  
119 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm
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2mm 10pin XBee Socket
$0.50 $1.00  
100 pc(s)
This is a 10-pin socket with 2mm pitch that mates with the popular XBee radio from Maxstream. Use this small part to avoid having to solder your precious radio to a PCB. You'll need two of these sockets to connect to all 20 pins on the XBee. Sold in single unit.
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-51%
Momentary Push Button Switch - 12mm Square
$0.17 $0.35  
230 pc(s)
This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it 'clicks' really well). This button is great for user input on a PCB or a good, big reset button on a breadboard. Breadboard friendly!
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-15%
PIR Motion Sensor
$13.20 $15.50  
5 pc(s)
This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. Red wire is power (5 to 12V). White wire is GND. Black wire is open collector Alarm....
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