Sparkfun

	Product	Description	Price	Add to Cart
	Optical Dust Sensor - GP2Y1010AU0F	Sharp's GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflected light of dust in air. It is especially effective in detecting very fine particles like cigarette smoke, and is commonly used ...	$13.74	Ships in 7 Days
	Alcohol Gas Sensor MQ-3	This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor. A simple interface could be a 0-...	$6.00	Ships in 24 hours
	Gas Sensor Breakout Board	Simple breakout board for the MQ - 3, MQ - 4, MQ - 6 and MQ - 7 gas sensors.  All you need is VCC at 5V, GND, and a resistor to an ADC, that is it. Note: This is the PCB only. Sensors listed below. Dimensions: 16.8mm diameter Documents: Schematic Wiring Example &#x...	$1.22	Ships in 24 hours
	Carbon Monoxide Sensor - MQ-7	This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO concentrations anywhere from 20 to 2000ppm.This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the...	$7.80	Ships in 24 hours
	Methane CNG Gas Sensor - MQ-4	This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing  natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response time. The sensor's output is an analo...	$5.69	Ships in 7 Days
	Polar Heart Rate Monitor Interface	This is a wonderful evaluation board cooperatively designed by danjuliodesigns and SparkFun. The Heart Rate Monitor Interface (HRMI) is an intelligent peripheral device that converts the ECG signal from the Polar Heart Rate Monitor (HRM) into easy-to-use heart rate data. It implements a sophisticated algorithm for computing an average hear...	$68.94	Ships in 7 Days
	LPG Gas Sensor - MQ-6	This is a simple-to-use liquefied petroleum gas (LPG) sensor, suitable for sensing  LPG (composed of mostly propane and butane) concentrations in the air. The MQ-6 can detect gas concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response time. The sensor's output is an analog resi...	$5.69	Ships in 24 hours
	Hydrogen Gas Sensor - MQ-8	Hydrogen Gas Sensor - MQ-8 sku: SEN-10916    This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast response time. The sensor's output is a...	$8.20	Ships in 7 Days
	Fingerprint Slide Scanner Interface Cable	This cable interfaces to the Fingerprint Slide Scanners 6 pin connector. Comes terminated as a MLX 1.25mm male connector to six open wires.Dimensions: ~5.8" (150mm) long	$2.49	Ships in 7 Days
	Fingerprint Scanner	The Nitgen RS232 serial fingerprint scanner is a powerful ADSP-BF531 Blackfin based system. This scanner is capable of gathering and storing unique finger prints. Simply hold your finger on the optical scanner, query the device over serial, and you will be issued a unique ID. Use that ID within your embedded system to determine access levels, ti...	$149.44	Notify when back in stock.
	Fingerprint Slide Scanner	This is a low-cost finger print scanner with a slide type sensor where the user slides their finger over the scanner. The ARA-ME-01 uses a simple serial interface that makes identifying users by their finger print fast and easy. This scanner is capable of gathering and storing unique finger prints. Simply hold your finger on the optical sc...	$91.94	Ships in 7 Days
	Polar Heart Rate Module - RMCM01	This is a OEM module for the Polar Heart Rate system. This device works with any Polar heart rate strap to pickup the electromagnetic pulse and output a 1ms pulse indicating a heart beat has occurred. Embed a heart rate reading into your next project! The RMCM01 requires no antenna. It does require a 32kHz crystal but that cryst...	$19.00	Notify when back in stock.
	Data Logger - Atlas Scientific ENV-32X	Data Logger - Atlas Scientific ENV-32X SEN-11196  Atlas Scientific is on a mission to make high-quality sensors for environmental monitoring available to everyday hackers and makers. All of their kits are easy to calibrate and connect to your microcontroller-based project. You know what's exciting? Oh yes, data-logging. No, seri...	$43.00	Ships in 7 Days
	Fingerprint Scanner - 5V TTL	Fingerprint Scanner - 5V TTL SEN-11651  Fingerprint scanners are awesome. Why use a key when you have one right at the tip of your finger? Unfortunately, they're usually unreliable or difficult to implement. Well not anymore! We've found this great fingerprint module from ADH-Tech that communicates over TTL Serial so you can easily ...	$55.00	Ships in 24 hours
	Fingerprint Scanner - 5V TTL	Fingerprint Scanner - 5V TTL SEN-11792  Fingerprint scanners are awesome. Why use a key when you have one right at the tip of your finger? Unfortunately, they're usually unreliable or difficult to implement. Well not anymore! We've found this great fingerprint module from ADH-Tech that communicates over TTL Serial so you can easil...	$58.00	Ships in 7 Days