About 50 results
Open links in new tab
  1. Obstacle avoidance with a UGV - SparkFun Electronics Forum

    Nov 26, 2012 · I don't know how you have your 5 sensors arranged so it's hard to comment on what to do when sensor X "sees" something ahead. But let's assume that at some distance "D" you want the …

  2. Bad SparkFun Qwiic Ultrasonic Distance Sensor

    Aug 12, 2021 · I received this with other Qwiic items. The ultrasonic sensor cannot be located using i2cdetect, however the other items do return addresses and run your python sample programs. I …

  3. ultra-sonic detection - SparkFun Electronics Forum

    Jan 15, 2012 · How precise might be a distance sensor? Do you know one which would be precise enough (a few millimeters max), very low power (<1mA) and quite cheap? To answer Mee_n_Mac's …

  4. Question about Proximity Sensors - SparkFun Electronics Forum

    Nov 26, 2006 · Depending upon exactly what you want your circuit to do, this can be put together with a handful of parts (Sharp distance sensor, comparator - LM311 or equiv, variable resistor to set the …

  5. Help to read analog output from MB7078 XL-MaxSonar-WRCA

    Apr 9, 2012 · The two pins output different things. Pin 2 outputs a time varying signal whose voltage corresponds to detection strenth and distance. Look at the graphs on page 4 of the PDF and read …

  6. starting a sketch remotely - Page 2 - SparkFun Electronics Forum

    May 10, 2010 · Eric, the sketch I have here does not go into the "while" loop. After I get the buzz it goes back and tries to get another "distance2". Any Ideas? I changed the boolean to int and true/false to …

  7. Got my ultrasonic sensor transmitting but not receiving?

    Aug 28, 2010 · I have a 40kHz transducer transmitter/receiver. I have generated a 40kHz frequency to pulse it and send out the ultrasonic no problem, and have tested this by using a unit I made using a …

  8. Ultrasonic amplifier Round 2 - Found a problem

    Nov 18, 2009 · The problem isn't the ringing for a period, its the fact that for whatever distance, it doesn't detect _any_ of its own signal, tried from 10cm to 6 meters, it just never detects it, yet it will detect …

  9. How do I go from one point to another? (GPS used for my AVG)

    Oct 21, 2012 · Does my magnetic sensor operate reliably in my car (seriously doubt it)? How do I navigate from one place to another? What is the math involved (trigonometry is high on the list)? …

  10. IMU v2 - Calibration Results - SparkFun Electronics Forum

    May 16, 2007 · I've tried testing the sensor by orienting with gravity but the sensor outputs different values at different times. I just realized your accelerations are in m/s^2 and not gs, so those numbers …