
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 …
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 …
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 …
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 …
Ultrasonic Flow Meter - General Guidance - Arduino Forum
Mar 17, 2017 · Hi! I was working on a flow meter with Arduino that used a turbine, but I was thinking that it would be cool to use an ultrasonic sensor instead. My current plan is to use …
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. …
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 …
HC-SR04 always returns zero - Sensors - Arduino Forum
Jan 21, 2014 · link: Ultrasonic distance sensor HC-SR04 lack of timeout problem - Sensors - Arduino Forum NewPing link: Arduino Playground - NewPing Library rachen December 13, …
Combining Motor Steper with Ultrasonic Sensor. Help me with the …
Dec 29, 2021 · I would greatly apreciate some help in coding. I am using Ultrasonic Sensor (HC-SR04), a stepper motor, and two limit switch in the end of the motor track. my plan is to control …
About pins of HC-SR04 Ultrasonic Sensor PCM and ... - Arduino …
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 …