SparkFun will be closed for Labor Day (9/3/2018). Same day qualified orders placed after 2:00 pm MT on Friday (8/31/2018) will be processed and shipped Tuesday (9/4/2018). Have a great weekend! Find a Retailer SHOP PRODUCT MENU BLOG find products, tutorials, etc... HOME / P R O D U C T C A T E G O R I E S LEARN 0 SUPPORT LOG IN Need Help? REGISTER EDUCATION FORUM / PROXIMITY / SPARKFUN DISTANCE SENSOR BREAKOUT - RFD77402 (QWIIC) SparkFun Distance Sensor Breakout RFD77402 (Qwiic) S E N - 1 4 5 3 9 ROHS DESCRIPTION FEATURES DOCUMENTS Operating Voltage 3.3V Current 7 mA average at 10Hz Measurement Range: ~50mm to 2,000mm Precision: +/-10% Light Source: 850nm VCSEL I2C Address: 0x4C Field of View: 55 Field of Illumination: 23 Max Read Rate: 10Hz (We've seen up to 20Hz in practice) 2x Qwiic Connection Ports Tags BREAKOUT SENSOR DISTANCE SIMBLEE I2C INFRARED PROXIMITY QWIIC RFD77402 TOF images are CC BY 2.0 SHARE SparkFun Distance Sensor Breakout - RFD77402 (Qwiic) Product Help and Resources TUTORIALS VIDEOS SKILLS NEEDED Qwiic Distance Sensor (RFD77402) Hookup Guide APRIL 5, 2018 The RFD77402 uses an infrared VCSEL (Vertical Cavity Surface Emitting Laser) TOF (Time of Flight) module capable of millimeter precision distance readings up to 2 meters. It's also part of SparkFun's Qwiic system, so you won't have to do any soldering to figure out how far away things are. x COMMENTS REVIEWS 5 0 Customer Comments Log in or register to post comments. Talobab / about 5 months ago / 1 Easy to setup and use, but I'm seeing +/- 6mm when 250 mm away... so don't expect a solid reading. Englandsaurus / about 5 months ago / 1 What is the object you are detecting the distance from out of curiosity? Talobab / about 5 months ago / 1 I tried it with several different objects to start, but for the final testing I used a white wall. Actually, if you look at your hookup guide, you'll even see similar numbers in the screenshots there... I just didn't catch that detail when I was reading it... Member #413976 / about 5 months ago / 1 Could this be used as a water level sensor, or would the signal just go through the water? VonChurdhousen / about 5 months ago / 1 I've seen the Lidar Lite go through glass. Depends on the attenuation coefficient for water at the wavelength, but in general it's not 100% for near ir. I would go with sonar for measuring water level. You could also float a reflector of appropriate material on the surface of the water if you want to use ir or are concerned about the wide beam angle from sonar. START SOMETHING. SUBSCRIBE TO NEWSLETTER About Us About SparkFun Press & Media SparkFun Education Feeds Jobs Contact Help Customer Service Shipping Return Policy FAQ Chat With Us Programs Become a Community Partner Community Stories Custom Kit Requests Tell Us About Your Project Sell Your Widget on SparkFun Become a SparkFun Distributor Large Volume Sales Community Forum SparkFun IRC Channel Take the SparkFun Quiz SparkFun Kickstarter Projects Distributors In 2003, CU student Nate Seidle fried a power supply in his dorm room and, in lieu of a way to order easy replacements, decided to start his own company. Since then, SparkFun has been committed to sustainably helping our world achieve electronics literacy from our headquarters in Boulder, Colorado. No matter your vision, SparkFun's products and resources are designed to make the world of electronics more accessible. In addition to over 2,000 open source components and widgets, SparkFun offers curriculum, training and online tutorials designed to help demystify the wonderful world of embedded electronics. We're here to help you start something. SparkFun Electronics (R) / Niwot, Colorado / Customer Service / Site Map / Terms of Service / Privacy Policy Questions? Feedback? powered by Olark live chat software