{"product_id":"lidar-ranging-sf02-f-40m-pixhawk","title":"Lidar ranging  SF02\/F 40m Pixhawk","description":"\u003ch1 style=\"font-family:georgia, arial, sans-serif;font-size:28px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);margin-top:0px;box-sizing:border-box\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1OJvxSNjaK1RjSZFAq6zdLFXa3.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1IAnvSMHqK1RjSZFkq6x.WFXaI.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/h1\u003e\u003ch1 style=\"font-family:georgia, arial, sans-serif;font-size:28px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);margin-top:0px;box-sizing:border-box\"\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eLightware SF02 Rangefinder\u003c\/span\u003e\u003c\/span\u003e\u003c\/h1\u003e\u003cp style=\"font-family:arial, sans-serif;font-size:16px;line-height:24px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);margin:0px 0px 24px;margin-bottom:24px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eThe \u003c\/span\u003e\u003c\/span\u003e\u003ca target=\"_self\" class=\"\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003eLightware SF02\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003e is lightweight laser rangefinder module that provides fast and accurate distance measurements up to 40 meters (130 feet). In \u003c\/span\u003e\u003c\/span\u003e\u003ca target=\"_self\" class=\"\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003etests by the development team\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"color:rgb(0, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e the sensor has produced very reliable distance measurements for long and short ranges even on fast moving vehicles.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-family:arial, sans-serif;font-size:16px;line-height:24px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);margin:0px 0px 24px;margin-bottom:24px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"background-color:rgb(240, 179, 126);color:rgb(255, 255, 255);font-size:inherit\"\u003eWarning\u003c\/span\u003e\u003c\/p\u003e\u003cdiv style=\"font-family:arial, sans-serif;font-size:16px;line-height:24px;color:rgb(64, 64, 64);background-color:rgb(255, 237, 204);margin-bottom:24px;padding:12px;padding-bottom:12px;padding-top:12px;padding-left:12px;padding-right:12px;box-sizing:border-box\"\u003e\u003cp style=\"line-height:24px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003eThis rangefinder is only supported on the Pixhawk running AC3.2 or higher or recent versions of Plane and Rover using the sensor’s analog output much like an analog sonar.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv style=\"font-family:arial, sans-serif;font-size:16px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);box-sizing:border-box\"\u003e\n\u003ch2 style=\"font-family:georgia, arial, sans-serif;font-size:24px;margin-top:0px;box-sizing:border-box\"\u003eConnecting to the Pixhawk\u003c\/h2\u003e\n\u003cp style=\"line-height:24px;margin:0px 0px 24px;margin-bottom:24px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003eThe SF02’s Analog Out pin should be connected to the Pixhawk’s 3.3V ADC (analog to digital converter) as shown below. The Pixhawk will provide the regulated 5V power supply the sensor requires.\u003c\/p\u003e\n\u003cp style=\"line-height:24px;margin:0px 0px 24px;margin-bottom:24px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1f7PuSQvoK1RjSZFwq6AiCFXaN.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003ch2 style=\"font-family:georgia, arial, sans-serif;font-size:24px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);margin-top:0px;box-sizing:border-box\"\u003eSetup through the mission planner \u003c\/h2\u003e\u003ch1 style=\"font-family:georgia, arial, sans-serif;font-size:28px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);margin-top:0px;box-sizing:border-box\"\u003e\u003c\/h1\u003e\u003cp style=\"font-family:arial, sans-serif;font-size:16px;line-height:24px;margin:0px 0px 24px;margin-bottom:24px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003eTo configure Copter, Plane or Rover to use the LIDAR-Lite, please first connect with the Mission Planner and then open the Config\/Tuning \u0026gt;\u0026gt; Full Parameter List page and set:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003eRNGFND_MAX_CM\u003c\/span\u003e = “3700” (i.e. 40m max range - 3m buffer. This buffer is required so the flight code can detect when there is nothing in range) \t\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003eRNGFND_PIN\u003c\/span\u003e = “14” (2nd pin of 3.3V ADC connector) \t\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003eRNGFND_SCALING\u003c\/span\u003e = “12.12” (ie. 40m \/ 3.3v = 12.12) ** \t\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003eRNGFND_TYPE\u003c\/span\u003e = “1” (Analog) \t\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cspan\u003eRNGFND_RMETRIC\u003c\/span\u003e = “0” (non-ratiometric, shown incorrectly in the diagram below) \t\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"font-family:arial, sans-serif;font-size:16px;line-height:24px;margin:0px 0px 24px;margin-bottom:24px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e** The default range for an SF02 is 33m \/ 3.3V = 10 m\/V\u003c\/p\u003e\u003cp style=\"font-family:arial, sans-serif;font-size:16px;line-height:24px;margin:0px 0px 24px;margin-bottom:24px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1KfnkSSzqK1RjSZFjq6zlCFXac.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003ch2 style=\"font-family:georgia, arial, sans-serif;font-size:24px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);margin-top:0px;box-sizing:border-box\"\u003eTesting the sensor \u003c\/h2\u003e\u003ch1 style=\"font-family:georgia, arial, sans-serif;font-size:28px;color:rgb(64, 64, 64);background-color:rgb(252, 252, 252);margin-top:0px;box-sizing:border-box\"\u003e\u003c\/h1\u003e\u003cp style=\"font-family:arial, sans-serif;font-size:16px;line-height:24px;margin:0px 0px 24px;margin-bottom:24px;margin-top:0px;margin-left:0px;margin-right:0px;box-sizing:border-box\"\u003eDistances read by the sensor can be seen in the Mission Planner’s Flight Data screen’s Status tab. Look closely for “sonarrange”.\u003c\/p\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB184fkSSzqK1RjSZFjq6zlCFXaD.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"background-color:rgb(255, 255, 255);color:rgb(10, 1, 10);font-size:1.53846em;font-family:arial, helvetica, sans-serif\"\u003eTesting laser rangefinders with ArduPlane\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1HL_dSSrqK1RjSZK9q6xyypXa9.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"color:rgb(102, 96, 102);font-size:15.6px;font-family:arial, helvetica, sans-serif\"\u003eAndrew Tridgell has been testing laser rangefinder with ArduPlane, for more precise autolanding. Here's his report:\u003c\/span\u003e\u003c\/div\u003e\u003cp style=\"font-size:1em;background-color:transparent;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;min-height:1em\"\u003e\u003cspan style=\"background-color:transparent;font-size:15.6px\"\u003eTesting the \u003c\/span\u003e\u003ca target=\"_self\" class=\"\"\u003e\u003cspan style=\"background-color:transparent;font-size:15.6px\"\u003eSF\/02 laser rangefinder\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"background-color:transparent;font-size:15.6px\"\u003e on a Pixhawk on my Meridian. Worked very nicely! Some results:\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size:1em;background-color:transparent;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;min-height:1em\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/HTB1VwjMSNnaK1RjSZFBq6AW7VXaZ.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp style=\"font-size:1em;background-color:transparent;border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;min-height:1em\"\u003e\u003cspan style=\"background-color:transparent;font-size:15.6px\"\u003eThe baro showed a bit higher than the laser, but the laser was definitely much more accurate - the baro was affected quite a bit by the speed of the plane causing low pressure in the fuselage.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size:1em;background-color:transparent;border:0px;margin:0px 0px 0.5em;margin-bottom:0.5em;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;min-height:1em\"\u003e\u003cspan style=\"background-color:transparent;font-size:15.6px\"\u003eI connected it to the Pixhawk using the analog connection, on one of the two 3.3V ADC connectors. That gives very good resolution, and low noise.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"font-size:1em;background-color:transparent;border:0px;margin:0px 0px 0.5em;margin-bottom:0.5em;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;min-height:1em\"\u003e\u003cspan style=\"background-color:transparent;font-size:15.6px\"\u003eOnce PulsedLight's \u003c\/span\u003e\u003ca target=\"_self\" class=\"\"\u003e\u003cspan style=\"background-color:transparent;font-size:15.6px\"\u003eLIDAR-Lite\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"background-color:transparent;font-size:15.6px\"\u003e changes to using a laser (as they plan to do) and fix the short range and long range issues (bad values at ranges below 1.5m and bad values at long ranges) I hope the two will have similar performance, and the I2C connection on the PulsedLight module will be a better fit. The LIDAR-Lite prototype I have now has a range of about 12m compared to 40m for the SF\/02, and gives bad data at short and long ranges, so right now the SF\/02 is better for the work I'm doing on landing, but longer term I'm hoping the LIDAR-Lite will be a great option\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv\u003e \u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\r\n\u003cscript\u003ewindow.adminAccountId=233062575;\u003c\/script\u003e\r\n","brand":"Sensorlidar","offers":[{"title":"Default Title","offer_id":53572171104547,"sku":null,"price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0931\/4412\/1635\/files\/HTB1vTbQSNnaK1RjSZFtq6zC2VXa5.webp?v=1745291817","url":"https:\/\/www.sensorlidar.com\/products\/lidar-ranging-sf02-f-40m-pixhawk","provider":"Sensorlidar","version":"1.0","type":"link"}