Questions tagged [proximity]

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can we use TCRT5000 sensor instead of IR proximity sensor?

I am planning to make a human following robot which requires two IR proximity sensors. I already have two TCRT5000 sensor. Can I use it instead of it?
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1answer
46 views

How to use the Osepp proximity module with arduino uno

I have recently purchased an Osepp proximity module at Radio Shack and am attempting to use it with my Arduino Uno. How should I connect it to the Arduino, and what library do I use?
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1answer
77 views

Basketball board arduino endlessly transmitting shot scored

I've been working on trying to get this arduino project I found to work but I've been encountering some problems. The project was designed for an Arduino mega 2560 but I've been using my UNO and ...
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0answers
396 views

esp32 and the esp32-cam (agoal)

Is it considered possible to use the esp32 code on an esp32 cam board? Do they use the same hardware? I am having difficulty using this sketch https://gist.github.com/wybiral/...
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0answers
374 views

Troubles with APDS-9900 proximity

So I've received few APDS-9900 sensors and found out, there's no library for it (9960 type is supported only). I took that library and device documentation, and created similar library. Ambient light ...
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1answer
186 views

Serial monitor doesn't work with piezo buzzer

So I can't see the distance of the proximity sensor anymore as soon as I type the code for the piezo buzzer. I've tried many things but it doesn't work.. Can anybody help me fixing this? int trigPin =...
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2answers
167 views

Trouble using proximity sensor as input and LED output

I was wondering if anyone had any pointers or advice to make this project work. Essentially I would like to have the LED fade (meaning like fade on and off at a calm rate) at one rate when there is ...
1
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1answer
90 views

High range Obstacle detection system

I am making a high range and fast Obstacle detection system , HC-04 is slow for that, other sensor don't have the range and Lidar is too costly. Any idea how to make a long range(more than 10m) high ...
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2answers
143 views

How to analogRead() 2 separate pins simultanously?

I am trying to create a simple piano playback using a flex sensor, a proximity sensor and a piezo buzzer. I want to have it so that when the flex sensor is triggered, a sound is played on the piezo ...
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2answers
2k views

What sensor would work for soccer ball detection efficiently using Arduino?

I want to make a soccer goal counter using Arduino and some sensors. I built using an ultrasonic sensor, but it does not detect if the ball is moving too fast. Are there any other sensors I can use to ...
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1answer
265 views

How do I use two PulseIn() functions simultaneously in Arduino?

I want to connect multiple Ultrasonic sensors to my Arduino board. For that, I need multiple pulseIn() functions to work at the same time. How can I do that?
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1answer
397 views

build simple IR sensor with 220 ohm and 1000 ohm resistors

I am brand new to the arduino board and I am trying to build a simple IR proximity sensor. I bought a handful of emitters and detectors from amazon here: https://www.amazon.com/gp/product/B01HGIQ8NG/...
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1answer
303 views

Underwater positioning system (swimming pool)

I'm making a few experiments with a quite simple rover car I made using Arduino UNO and a few spare parts. Just for the heck of it I made it waterproof and now I want to toss it in my pool to make ...
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5answers
11k views

How to increase the detection distance on Arduino KY-032 obstacle Avoidance sensor?

We've got an Arduino KY-032 obstacle avoidance sensor, and have spent a decent time searching and researching to find a detailed data sheet/manual to figure out how it works; but there aren't any ...
2
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2answers
1k views

What is the most accurate sensor for detecting ping pong ball?

What is the most accurate proximity sensor for a ping pong ball? I will be using this to calculate 3D positioning of a ping pong ball in flight. I only need to detect the ball within 0-5 feet (...
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1answer
1k views

Fade LED strip using proximity and map() function

I'm using a sonar sensor to detect proximity, and need to control the brightness of an LED strip in direct relationship to the distance detected. For example, as someone moves toward the sonar, the ...
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2answers
2k views

Problems controlling servos using proximity sensor

I've just started using Arduino and I need to make a code to simulate the behavior of a lizard, meaning that if you come close to it, it moves away from you. I'm using a "Arduino duemilanove" that my ...
2
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1answer
459 views

Larger NFC antenna? [closed]

Goal: I would like to be able to transfer some information to an Arduino Uno board via an NFC shield/antenna. The situation requires that the NFC tag may potentially hit anywhere within a circular ...
2
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3answers
665 views

XBee shield communication

I need to communicate between two Arduinos using XBee. I am new to XBee and hardware. The two Arduino Unos need to send a message (number) to each other and light an LED or play a sound, when they ...