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Questions tagged [arduino]

For questions about the do-it-yourself single-board PC and its add-ons.

-1
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0answers
7 views

How to create a Tally counter device to send data to server? [on hold]

On clicking a button of tally counter i could send a Zero/One to server
0
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0answers
6 views

Which device can measure distances remotely over a range of about 25m?

Currently, I am searching for a device that I can be set up on a car to know the difference between a car or a huge obstacle next to it. I know one such device, i.e. TF02 LiDAR. But, the problem with ...
0
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0answers
3 views

arduino servo stops while rotating with big degree [on hold]

iam trying to move my servo with input token from serial monitor but if the difference between the current servo degree and the new degree is high like 50 or more the servo moves there then go back ...
0
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1answer
24 views

Making a WiFi event recorder

I want to make a stomp box with a single button that will record an event time. I’d like the box to be able to record the event directly to a web database (there are plenty of ways to do this, but I’...
0
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0answers
11 views

Arduino Leonardo or ESP32 or ESP8266

I want to create a device simulating a wireless keyboards but I'm not sure which platform to use. Arduino Leonardo can simulate a keyboard functionality but has no embedded WiFi or Bluetooth module. ...
0
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0answers
14 views

LED-matrix boards with matrix circuit

I am looking for LED-matrix board that have an matrix interface instead of the shift-register interface that you find everywhere. So something like this: https://www.circuitspecialists.com/blog/build-...
0
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0answers
7 views

AI based camera to monitor entering/exiting people

I am making a AI based camera device to monitor entering/exiting people at houses front door. I am looking for a hardware to accommodate following things: Low power consumption (to maximize low ...
0
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0answers
14 views

What sensor could i use?

For a school project I need to build an interactive climbing wall, I have an app where I can choose a trail that lights up, I have already figured out how I'm gonna light them up but I'm still ...
0
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1answer
26 views

Best low cost microcomputer for running Unity app + webcam

I have an art installation I want to build that uses software written in Unity, implementing opencv and using a webcam, and displaying on some sort of inexpensive monitor. I can compile to Android/iOS/...
2
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1answer
20 views

incremental encoder with added joystick functionality

I was searching the web for days now and just couldn't find what I am looking for. I want to make a remote control for an adressable RGB LED strip using a single knob. It will be controlled by an ...
1
vote
1answer
23 views

Programmable Induction Hotplate

I'm looking for an induction hotplate that I can control via my own software. An RS232 port or something similar would be fine, but I don't mind if it's not RS232. As long as I can write a program ...
0
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0answers
10 views

Transmitter / Receiver advice for beginner

My friend recently made a Cable Cam prototype in his garage, he stripped down a cheap £15 RC car and used the internals of that and made a very decent cable cam, however one of the main flaws being ...
0
votes
1answer
10 views

Portable camera with bluetooth or some other wireless technology support

I want to find a tiny camera or camera module that can stream its videos via Bluetooth or other wireless technology. I want to use that camera as an accessory that can be attached to a body part. The ...
1
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0answers
29 views

Which ESP32 board should I use?

I have robot. The brain is an arduino mega with this shield. Pictures are below. Right now I am at the pont where I want to replace the arduino with an esp32. Which esp32 board do you recommend? ...
0
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1answer
22 views

Small device with Bluetooth low energy (BLE)

I need an small device with bluetooth that has to do the following: Have an accelerometer attached and read his data. After x seconds, send the accelerometer data to the paired device over bluetooth. ...
4
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0answers
39 views

Budget Microcontroller for large WS2812B strand

I am using an Arduino Uno R3 to control my Christmas lights (a strand of 665 WS2812B LEDs).The Arduino, while driving the LEDs, is not accessible from my PC, so I am attempting to use a Raspberry Pi 3 ...
2
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0answers
9 views

Arduino compatible Bluetooth Cat. 1 module

I'm looking to add a Bluetooth module to an Arduino project that I'm working on that will take outdoor temperature measurements. I plan to have several measurement stations over distances of several ...
2
votes
1answer
45 views

Mechanism to close a small gate using Arduino

I have a 3' (1 meter) tall plastic gate around my yard. I would like to automatically close it with my Arduino or Raspberry Pi. Not by remote control - I just want it to detect that the gate is open, ...
0
votes
2answers
153 views

Electronic Deadbolt for Door

I am not sure "deadbolt" is the correct term for what I am looking for. I am searching for the metal piece on the side of doors that extends to lock it, but one that can be controlled electronically (...
3
votes
2answers
60 views

Confuse-a-cat : seeking dirt cheap, wheeled, programmable robot

I was playing the old "confuse the cat with a flash-light" game, when I thought that I might like to program a confuse-a-cat robot. Something, probably with tracks, which can right itself if he flips ...
2
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0answers
34 views

What's an accurate and affordable indoor positioning system

TL;DR version I'd like hardware capable of doing these things Triangulate positions of nodes Be accurate down to 1-6 inches Able to see through fairly thin objects, like people/trees Fairly ...
8
votes
2answers
176 views

Cheapest single computer board with Wi-Fi and audio

I want to build a home-made multi-room home sound system. I'm looking for a single board computer device with a minimal hardware configuration. In my thoughts, my only requirements are: Wi-Fi ...
5
votes
1answer
335 views

Hardware components for MESH network with Arduino

I am in the search for some recommendation on a good hardware component for building a mesh network with Arduino I am not experienced in building a mesh network. So all recommendations and guidance ...
4
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0answers
240 views

VPS vs Raspberry Pi and Arduino

I want to implement this project... In the image I have: One and unique analog signal One analog to digital converter The output is carry out to several modules (executing FIR and rewriting the its ...
7
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1answer
52 views

What are good LED boards for an Arduino?

What are some good charlieplexing LED matrix boards for the Arduino that use very few pins? About 3 digital pins would be great. Also, I am looking for a good interface to control the LED matrix.