
Ultrasonic Sensor not working - Programming - Arduino Forum
Apr 29, 2025 · Hi, I'm trying to make a ultrasonic sensor and using MB1242-000. MB1242-000 is connected to Arduino Uno and measure the distance from the ground. I wrote a program referring to …
Ultrasonic sensor aj-sr04m - Sensors - Arduino Forum
Jan 15, 2025 · i have been trying to work with Waterproof ultrasonic sensor AJ-SR04m but i am not getting any genuine outputs from it .I have tried its mode 1 which requires open ckt. i.e no short ckt. …
About pins of HC-SR04 Ultrasonic Sensor PCM and ... - Arduino Forum
Oct 14, 2024 · Hello I have a basic question regarding these sensors that are connected to a Arduino UNO board: Pins Trig and Echo of HC-SR04 Ultrasonic Sensor PCM: Pins RXD and TXD of …
Ultrasonic sensor not working properly. - Arduino Forum
Jan 19, 2017 · I am using a HC-SR 04 Ultrasonic Sensor and it is not responding as expected. It gives a few readings at first and then does not respond at all. I am using the NewPing Example code. Please …
Ultrasonic Sensor Inconsistent Reading - Arduino Forum
Dec 9, 2013 · Hi All, I'm working with a project that uses 4 pin hypersonic sensors and I'm getting inconsistent distances even when I'm not moving. Here's what code I'm using and what the sensor is …
Ultrasonic Sensor USB Serial Python - Sensors - Arduino Forum
Oct 21, 2024 · Here is my set up I have the sensor connected to the usb using wires connected to TX --> RXD and RX --> TXD. I also have the sensor on mode 5 per this forums instructions. How to …
A0221A4 ultrasonic sensor of RS-485 comm - Arduino Forum
Jan 25, 2023 · Hello all, i am using the a RS485 ultrasonic sensor module "A0221A4". I connected the sensor to a TTL to RS-485 module and connected the module to the arduino uno over pin 10 and 11 …
HC-SR04: tests on accuracy, precision and resolution of ultrasonic ...
May 27, 2014 · Hi to all! I have been using the ultrasonic sensor HC-SR04 for a while. I was puzzled to read in most pages that people were happy with them because my experience was mixed. Now I am …
Code for ultrasonic sensor car / robotics car kit - Arduino Forum
Sep 11, 2023 · [NOTE: UPDATED CODE IN THE OTHER POST FURTHER BELOW] Hi all, I have seen that there were posts on Arduino-code for the ultrasonic sensor car / robotics car kit 87288 / Robotbil …
Ultrasonic flow meter - General Guidance - Arduino Forum
Sep 5, 2024 · the ultrasonic frequency used in hc sr04 id of 40khz what is the frequency which is used in commerically available clamp on flow meters also can you please send me link of article with which i …