Let's Make Robots!
Price: $11.95 USD
The GP2Y0A21 Sharp distance sensor is a great way to add obstacle avoidance or motion sensing to your robot or any other project. With a detection range of … Read more
Price: $1.5 USD
Three pin JST connector with red, black, and yellow colored wire. 5 inches of wire length, perfect for interfacing SHARP analog Infrared sensors to your project. Read more
Price: $0.45 USD
This 5mm Water-clear Phototransistor will pick up visible and infrared light and conduct current. When light reaches this high sensitive/fast response time … Read more
Price: $7.25 USD
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 … Read more
Price: $16.95 USD

 Collected by one member
This SparkFun breakout board houses the Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers it as an analog output … Read more
Price: $0.95 USD
Small electret microphone. Useful in acoustic and audio applications, voice recordings. Read more
Price: $14.95 USD
The Sharp line of analog infra-red rangefinders are rare in the wild, and but make excellent distance measuring units when you can find them. Luckily Solarbotics … Read more
Price: $10.48 USD
The IR Distance Sensor is designed to interface the Sharp GP2D12 sensor to the PhidgetInterfaceKit 8/8/8 or the PhidgetTextLCD. Read more
Price: $27.45 USD
The MaxSonar-EZ0 is a very tight-packaged, high-sensitivity single-element sonar module. Much like the very popular EZ1 module, the EZ0 offers higher sensitivity … Read more
Price: $24.95 USD
The MaxSonar-EZ1 Ultrasonic Range Finder is a tiny, easy-to-use ultrasonic ranging system that can be easily interface to any microcontroller. Read more
Price: $16.21 USD
If you want a really small, compact sensor to detect obstacles coming at your device, the 2-direction sensor kit is just the thing! Read more
Price: $34.96 USD
The XL?MaxSonar?EZ4 has the highest noise tolerance and narrowest beam of any of our indoor sensors. The sensor is designed and calibrated to provide reliable … Read more
Price: $5 USD
Looking for a very good photoreflector? The OPB730F is an EXCELLENT unit! Read more
Price: $29.95 USD

 Collected by one member
The PING))) Ultrasonic Range Finder is a simple to use ultrasonic ranging system that can be easily interface to any microcontroller. Read more
Price: $24.95 USD
Breakout board for the Analog Devices 7746 capacitance sensor. Configured for two channels of single-ended capacitance input. And it uses I2C! Read more
Price: $30 USD
Left, Middle, Right short range sensors in a small package. Read more
Price: $49.99 USD
The Parallax TSL1401 Linescan Imaging Daughterboard provides one-dimensional sight to almost any microcontroller. Read more
Price: $12.31 USD
The Bittybot Micro Line sensor is a convenient way to build edge or line sensors, especially for microsumos! Read more
Price: $12.31 USD
BittyBot's Nano line sensor kit is a tight and tidy .95" wide pair of sensors for detecting white/black differences, like a line on a surface. Ideal for … Read more
Price: $34.45 USD
The SRF01 Ultrasonic Range Finder is the latest product from Devantech. It employs Devantech's 2nd generation AutoTune technology which allows ranging all the way … Read more
Price: $26.95 USD
Here's a low-cost ultrasonic ranger with I2C and serial interface, using a single element, and a 55 degree sensing angle. Read more
Price: $28.95 USD
The Devantech SRF05 is a solid, 2-element ultrasonic ranger featuring great range, and selectable 1 or 2 I/O interface Read more
Price: $58.95 USD
The Devantech SRF08 is the advanced model of Ultrasonic distance rangers available, with excellent width-of-field detection, I2C interface, and light-intensity … Read more
Price: $0.65 USD
1.77mm (.07") diameter nickel plated steel spring tubing for stiffer tactile sensor designs Read more
Price: $4.5 USD
A pair of low-force omnidirectional tactile sensors Read more
Price: $5 USD
A pair of heavy-duty omnidirectional tactile sensors Read more
Price: $1.35 USD
These infrared photodiodes are a proven light sensor in BEAM technology. Read more
Price: $1.35 USD

 Collected by one member
The CdS is a light sensitive resistor offering a range of 160 ohm to 700k sensitivity. Read more
Price: $1.35 USD
IR emitter and receiver in one package for close-range optical detection (sold individually) Read more
Price: $14.21 USD

 Collected by 3 members
Looking for tiny proximity sensors? The BittyBot Proxdots are very small, and complete with IR modulated transmitter /receivers! Read more