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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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Using pushbutton to make Stepper motor rotate 90 degrees

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 ...
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1answer
158 views

RGB LED strip 100m [closed]

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 ...
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1answer
39 views

int on Uno more than 16 bit? [closed]

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 ...
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3answers
67 views

The Arduino IDE can’t find my Arduino Uno

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).
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1answer
52 views

LCD Weather Station - “Press To Start” Function

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 ...
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3answers
2k views

Differences between Arduino Uno SMD and Uno DIP

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 ...
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0answers
888 views

How do I bootload an Atmega328 to use internal clock using two boards?

I know that I can bootload an Atmega328 chip using another arduino by using that arduino as an ISP. I also know that an Atmega chip that is configured to use an external clock already has a difficulty ...
2
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0answers
86 views

How do I Continuity Test/Troubleshoot a Linksprite RS232 V2 Shield?

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 ...
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1answer
105 views

Starting Off Low-Level Port Access

   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 ...
3
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2answers
971 views

How do I use the additional serial ports on an Arduino UNO R3 clone?

I bought this Arduino clone over eBay. It seems to have an extra SPI and serial ports. How do I use these?
3
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1answer
1k views

USB mouse/keyboard passthrough feasible?

I'm looking to achieve the following: USB HID Mouse (or Keyboard) -> [ Arduino device ] -> PC | `-> Internet ...
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1answer
197 views

Trouble reading from multiple analog ports

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 ...
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3answers
8k views

Programming Arduino Pro mini 328 with Arduino Uno SMD

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 ...
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5answers
15k views

How cold or hot can my Arduino Uno get?

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 ...
13
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1answer
8k views

How can I sense when someone is sleeping with my Arduino?

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 ...
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1answer
270 views

Are there different revisions of Arduino Uno SMD?

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 ...
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4answers
53k views

How high of a baud rate can I go (without errors)?

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 ...