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  1. How to connect an ultrasonic sensor to a lopy via the expansion board ...

    Feb 24, 2018 · I have an Ultrasonic sensor and a LoPy and I want to connect the sensor to the LoPy via the expansion board. First, I do not know how to program it and how to wire the pin.

  2. Seek help about programming: How to send ultrasonic sensor data …

    Mar 1, 2018 · Hi everybody, I have an Ultrasonic sensor and a LoPy and I connected the sensor to the LoPy via the expansion board. The ultrasonic module works well. My issue is how to program the …

  3. Ultrasonic Range Finder - HRXL-MaxSonar-WR - Forum

    Jul 23, 2018 · I am trying to read output from the serial pin of the MaxSonar WR series ultrasonic sensor datasheet. I have connected via Max3232 Breakout using the below connections

  4. Problem with Lopy4 and MaxBotix Ultrasonic sensor - Forum

    It is the PING trigger to establish the duration of the ping for the Sensor that I used (Ultrasonic Distance Sensor - HC-SR04 (4 pins)), to convert the time into a distance.

  5. Timer objects | Pycom user forum

    Im working with a LoPy and Im trying to control an ultrasonic distance sensor. Distance measurement is done be measuring time difference in the ultrasonic echo signal. To implement this propery some …

  6. LOPY HC-SR04 Adaptation | Pycom user forum

    Mar 17, 2017 · Insert a "micros.start ()" in the Ultrasonic class, just after micros.reset () Define the pull mode as part of the init of the Pin In and Pin Out: self.trigger.init (machine.Pin.OUT, None)

  7. Maxbotix Ultrasonic/Ultrasound sensor MB7137 for Lopy

    Lower your I2C speed, the sensor is very slow you don't to use a fast speed: i2c = I2C (0, I2C.MASTER, baudrate=100000) is enough In readDistrance you do sleep_ms (25) but the datasheet recommends …

  8. Pytrack + GPy. Where to connect sensors? | Pycom user forum

    Hi everyone, This might be a very basic question. How should i connect my two ultrasonic sensors to the Pytrack/GPy? Should i use the external IO headers of Pytrack or connect directly to the pins of GPy? …

  9. N-Channel MOSFET works on USB power but not battery

    The ultrasonic is then connected to the MOSFET and the 3.3v pin on the LoPy. This setup works when powered though the USB, with the sensor being switched off correctly and then powering back up …

  10. Help I dont know how to connect simple sensors as DHT11 or anothers

    I have tried to read the data of a DHT11 or another sensors such the ultrasonic one, the sound detector and more stuff. Some of them are possible to being used with the Esp8266 and micropython.