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Questions tagged [arduino-uno-smd]

The Arduino Uno SMD is a "branch" of the Arduino Uno board that has a SMD (surface mount chip) that is smaller and cheaper, but not replaceable. It was developed when there was a shortage of ATMega328-PUs. It acts the same way as a "standard" Arduino Uno.

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So I have a USB to ftdi connected to my qtfp 32 socket trying to upload a sketch but I get a sync error , as far as I am aware I have uploaded the sketch correctly
jamie ward's user avatar
1 vote
1 answer
377 views

I have an Arduino Uno SMD and an attiny45, which I want to use as a sensor communicating via i2c. For a first step in finding out how to work with the attiny45 I just want to use the attiny as ...
Matthias Jung's user avatar
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1 answer
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I am running my Arduino based from the ATMEGA328P-PU chip from a 4v battery with this setup: Everything works great and now I will like to make my project permanent building a custom PCB from easyeda....
Tono Nam's user avatar
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Can arduino uno smd r3 version handle a Keyboard.h library? it is not applicable for that arduino?
mattiskdi's user avatar
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2 answers
644 views

It’s been bugging me lot that Can’t we burn the same bootloader for both 328p and 328p au? I got confused when I see this linksmd 328p au bootloader burn. Will there be any impact on performance or ...
Learner's user avatar
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I'm creating a web server with using host.com/?ll="some". But I read that I can use for it ESPAsyncWebServer for this things. And how can I use it without flashing esp? If possible give me link to the ...
TheGamerCoder's user avatar
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1 answer
2k views

So I'm Setting up webserver with esp-01f+arduino uno. I'm using WiFiEsp library. I want to toggle led on. Pin will be given in GET request by url. Example: host.com/?ledpin=9 How can I parse it, ...
TheGamerCoder's user avatar
-1 votes
2 answers
6k views

Using a 28BYJ-48 Motor with a ULN2000 Driver. The motor works fine since I can rotate it using serial input. Pushbutton is connected properly, Can light up an led if I connect one. I want the motor to ...
MTXShift Games's user avatar
1 vote
1 answer
1k views

Hello all, I'm working on RGB LED strip SMD 5050 5m This all setup is working on 12v 2A with about diagram. I want to use same connection with 100m of LED strip using Arduino. Please support ...
Dr geek's user avatar
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So I'm playing with a TFT screen and trying to understand the colourspace encoding. I wrote a quick for loop to show colours from 0 to FFFF and to print the value of colour being displayed: for (int ...
Socco's user avatar
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1 vote
3 answers
606 views

My Arduino has all of its LEDs on. The Rx, Tx and L LEDs are all on and my computer can’t see it (it's an SMD edition).
Lasse Houtenbos's user avatar
1 vote
1 answer
106 views

I've been trying to make a weather station using a I2C LCD Display and a DHT11, I know, the DHT11 is a bit low res and all that, but it came with the kit I ordered, so it's okay. However, I'm trying ...
Eirik Medlie's user avatar
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3 answers
6k views

I just bought an Arduino Uno (SMD version) from W11Stop and want to know whether there is any other difference between Arduino UNO DIP and Arduino UNO SMD besides knowing that the SMD version doesn't ...
MehwishKhan's user avatar
3 votes
0 answers
187 views

I have a Linksprite RS232 v2 adapter (which uses a MAX232 chip), as per this image. I have soldered on the headers and tested the pins to make sure there are no solder bridges. I have set the jumpers ...
Agi Hammerthief's user avatar
1 vote
1 answer
152 views

   I'm trying to teach myself some low[er] level code, but I just can't get it to work. I've tried OR-ing stuff in, AND-ing stuff in, and just straight up defining stuff, but it's not ...
nick5435's user avatar
3 votes
2 answers
1k views

I bought this Arduino clone over eBay. It seems to have an extra SPI and serial ports. How do I use these?
Lord Loh.'s user avatar
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1 answer
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I'm looking to achieve the following: USB HID Mouse (or Keyboard) -> [ Arduino device ] -> PC | `-> Internet ...
David Titarenco's user avatar
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1 answer
433 views

So I'm trying to read 4 different analog values and store each one to a variable. I imagine doing this by first initializing the ADC registers and each time it enters the ADC ISR checking which port ...
Austin Richard Bartz's user avatar
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3 answers
10k views

I apologize in advance, because there is a lot of tutorials out there about programming arduinos with another arduino, however I can't find really simple one I could understand. I have Arduino Uno ...
Frodik's user avatar
  • 127
16 votes
5 answers
24k views

The Arduino Uno Page doesn't say the temperatures that it can operate in. I'm thinking about placing it outdoors. How can I make sure my Arduino Uno is safe in weather that can reach -20 to 105 ...
Anonymous Penguin's user avatar
16 votes
1 answer
11k views

Ignore the stalker-like title. I am thinking about creating a project with Arduino that can sense you sleep habits, when you're asleep, and how much you sleep. It would be convenient to not have to ...
Anonymous Penguin's user avatar
3 votes
1 answer
433 views

I know there are different revisions of the Arduino Uno itself, but are there any revisions of the SMD? If they are is SMD R2 identical to through-hole R2? I have a board marked R2 SMD and I am ...
Anonymous Penguin's user avatar
63 votes
4 answers
112k views

The standard is 9600 baud. That's just the standard. Using a Arduino Uno SMD R2, what is the highest practical baud rate I can achieve? Bonus points for the audacious: how would you go about creating ...
Anonymous Penguin's user avatar