Questions tagged [arduino]
For questions about the do-it-yourself single-board PC and its add-ons.
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Best hardware-software application for sending a voltage based on output from a report
I'm looking for some direction here to start. If this is not the right forum, please direct me to the right one.
I have a piece of equipment that runs a process and is continuously sending data to a ...
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Cheapest single-board computer with a USB host connector
I'm looking for the near-cheapest single-board computer that can be a USB host (i.e. typically has a USB type A connector, if populated, but other USB connectors are OK as long that connector can be a ...
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cheap Arduino recommendations
i am creating a light strip and was wanting to use an Arduino for it. as i was looking at the price tags i figured i would come here and ask for recommendations.
i need something with similar ...
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Best quad core, 50Mhz microcontroller with 4MiB RAM
I am that not satisfied with the Arduino's microcontroller's power (but of course satisfied with the I/O on the Arduino mega).
I need:
at least 4 cores, and
at least 4MiB of RAM and running at 50mhz (...
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Accelerometer to detect very small vibrations
I am working on my own little project where I need to do detect CNC machine spindle vibrations. The spindle spinning up to 30000rpm and vibrations expected are less than 1mm. I have purchased lis3dh ...
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Speed control table or floor fan prefer with thermostat
I have a floor fan with 3 speeds with ir remote. The remote broke but fan is too old to find a replacement remote. But that's not my problem. The fan has 3 speeds. Sometimes I wake up too cold or too ...
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Need a blood-pressure measuring module recommendation for arduino
I need to record blood pressure with a blood pressure cuff interfaced to an Arduino uno module so the data can be logged. I searched the web for a such a device, but could not found anything useful.
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small size Alternative of raindrop sensor
I am thinking of creating a device that will detect water leaking/ water detection. I am currently using this:
And this one I want but it is costly and not available on Amazon India or flipkart :
I ...
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Small Form Factor Thermal Camera
I am Currently Looking for a Thermal Camera which either has an lcd screen which can be be extended away from the camera or simply a high quality thermal camera which can be programed into an lcd. ...
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Arduino Presence Detector through Glass and Transparent Objects
I'm trying to measure the distance of a glass/transparent object using an IR sensor. Does anybody know of sensors that work for this task?
Note: it has to be reasonably small, so ultrasonic sensors ...
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Arduino Solar GPS tracker
I am looking to create a solar powered GPS tracker for a fleet of rental trailers. I am intermediate Arduino user and comfortable with this platform and would like to base it on this system. ...
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More powerful ESP9266 based microcontroller than nodemcu
I am currently working with Nodemcu. I am running a very long code with many HTTP requests. After 3 http requests, the nodemcu gets crashed. It is unable to handle. I am looking for a WiFi ...
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Programmable RFID card
I'm new to RFID technology and cryptography. So, I'm trying to apply light weight cryptography in RFID tags as a part of my project.
I'm already able to read and write information in some passive ...
1
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1
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Sending order from ESP32 to Arduino Mega [closed]
I am new here and this my question regarding my graduation project.
I want to control the Arduino board from ESP32.
For example, a temperature sensor will be connected to the ESP32, when ESP32 read a ...
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31
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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’...
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96
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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/...
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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 ...
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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 ...
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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 ...
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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?
...
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28
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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.
...
user7263
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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 ...
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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 ...
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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, ...
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254
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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 (...
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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 ...
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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 ...
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206
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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 ...
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383
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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 ...
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314
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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 ...
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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.
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