UCTRONICS 3.5 Inch Touch Screen for Raspberry Pi 4, HDMI TFT LCD Mini Display with Stylus Pen for Pi 4 B, 3 B+
- Video-Audio Joy: 480 x 320 display resolution (HDMI input resolution supports 480*320 to 1920*1280 any resolution); 3.5mm audio/headphone jack makes the display no longer silent.
- Perfect for Raspberry Pi 4: Micro HDMI adapter included, hassle-free connection to Raspberry Pi 4; Also compatible with all other Model A&B series.
- Efficient heat dissipation: This screen is mounted with a brushless quiet fan and powerful heat dissipation, you don't need to worry about the overheating problems and the noise.
- More Features: supports HDMI audio split; Refreshes up to 30 frames per second; The backlight can be turned on/off. Plug & Play: Don’t need to reboot the Pi when connected and it doesn’t require any external power supply.
- Portable Touchscreen: the overall dimension of this tiny screen is 3.38”×2.20” (86mm×56mm), and the included stylus, heatsinks, and HDMI adapters make this kit completed and convenient to use.
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Product information
Product Dimensions | 3.94 x 2.76 x 1.18 inches |
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Item Weight | 1.69 ounces |
Manufacturer | UCTRONICS |
ASIN | B076M399XX |
Item model number | B010601 |
Customer Reviews |
4.2 out of 5 stars |
Best Sellers Rank | #14,468 in Single Board Computers (Computers & Accessories) |
Is Discontinued By Manufacturer | No |
Date First Available | October 20, 2017 |
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Product guides and documents
Product Description
The UCTRONICS 3.5 Inch touch screen is the same size as the standard Raspberry Pi model B/B+, and well-mates with the Raspberry Pi boards. With a tiny size, vivid image, and responsive touchscreen, it is definitely ideal for portable devices and multimedia projects. It is a great replacement for a heavy and bulky HDMI monitor, keyboard, and mouse.
Features
· Touch function support system: Raspbian.
· Display function support system: Raspbian, kali, ubuntu, Retropie, PiPlayer, windows10, etc.
· LCD Display Resolution: 480 x 320 pixels
· HDMI Input Resolution support: 480x320 ~ 1920x1280 pixels
· Dimension: 55.98 x 85.60 mm
· Touch screen type: resistive touch screen
· Support plug and play, touch screen, game, and video Automatic driver installation script.
· Work with anything that can send a standard HDMI signal into the HDMI input, the touch function is limited to ONLY the raspberry pi.
· The on-board button near the micro USB connector can be used to turn the backlight on and off.
· Mounted with a brushless quiet fan.
Q&A
Q: Can I use it as a touchscreen control panel for a 3D Printer?
A: Yes, OctoPrint with a touchscreen interface will enhance your 3D printing process. There are a few ways to set it up: bit.ly/OctoPi-with-touchscreen
How to install
1. Connect with Raspberry Pi
Step1: Align the pin 1 of the edge connector between the LCD display and Raspberry pi board, connect the pin 1,2,3,4 then pin 19,20,21,22,23,24,25,26.
Step2: Connect the HDMI interface with the HDMI adapter board.
Step3: Power on the Raspberry Pi board.
Attention: If you want to use the touch function, you need to download and install the driver manually refers to the instructions we provided. The driver includes the settings of the Raspbian OS resolution and touch screen support.
2. Connect without Raspberry Pi
Step1: Connect the Micro USB interface of the display for the power supply.
Step2: Use the extra HDMI cable to connect the HDMI interface of both the display and your facility.
Attention: If you use this display without a Pi, the touch function is not available because the touch function of this display just supports the Raspbian system. Meanwhile, an extra HDMI cable also is required for the video transmission.
Packing List:
- 1 * 3.5 Inch HDMI resistive touch screen
- 1 * Stylus
- 1 * HDMI to HDMI converter
- 1 * Micro HDMI to HDMI adapter
- 1 * Heat Sheet for Raspberry Pi CPU
Note
- The Raspberry Pi board is not included.
- The resolutions higher than 480*320 will be compressed to 480*320 and the screen display ratio might be changed accordingly.
3.5 inch HDMI Touchscreen with case | 7" HDMI Touchscreen with Stand | 5" HDMI Touchscreen | 5" HDMI Touchscreen with Stand | 7" HDMI Touchscreen | |
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Add to Cart
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Customer Reviews |
4.2 out of 5 stars
656
|
4.3 out of 5 stars
275
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4.1 out of 5 stars
125
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4.1 out of 5 stars
125
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4.3 out of 5 stars
275
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Native Resolution | 480 x 320 | 1024x600 | 800x480 | 800x480 | 1024x600 |
Touch Type | Resistive | Capacitive | Capacitive | Capacitive | Capacitive |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance of the single board computer. They mention that it works well, has an HDMI functionality, and that it worked out of the box. They are also satisfied with the value. However, some customers have reported issues with the touch capability, saying that it does not work properly and is inaccurate. They also dislike the resolution. Opinions are mixed on screen, ease of use, size, and quality.
AI-generated from the text of customer reviews
Customers like the performance of the single board computer. For example, they mention it works well, it's easy to follow instructions, and it runs RetroPie flawlessly. Some say that the LCD works well and everything fits nicely in the case. Overall, most are happy with their purchase and recommend it to others.
"Works like a charm. It's very, very, very tiny...." Read more
"...the all-in-one "FrankenPi" device that I've been building, and it works very well...." Read more
"I bought this for use with the RetroPie software, and it works amazing, but with a few kinks...." Read more
"...I have the SDRplay OS installed on my pi. Works fine so far - Tighter pixels might be nice but for the price of a cocktail near the water in SF this..." Read more
Customers find the value of the single board computer to be good. They mention that it does the job at a good price, and is the cheapest screen out there. They also say it's a great buy and will save them time and money.
"...Bonus for being the cheapest screen out there. I recommend it." Read more
"...the rather awkward viewing angles and the screen tearing.. It's not very expensive, takes HDMI, and fits perfectly (like, it's actually perfect)..." Read more
"...Overall, it suits my needs very well and is a pretty good value. I recommend it." Read more
"...3 All in all I think it is a good buy and good price.#..." Read more
Customers are mixed about the screen of the single board computer. Some mention it's really nice little screen with great clarity and color, while others say that it'd not show anything. The screen is not very bright and suffers from interference.
"...Beautiful 480p. Great clarify and color...." Read more
"...Overall, it's easy, reasonably well designed, and the worst issues of the lot are the rather awkward viewing angles and the screen tearing.. It's..." Read more
"...'s too small to really be used as a desktop in that it only shows a fraction of the desktop...." Read more
"...In terms of picture quality, the colors are accurate and adequately deep, the definition is surprisingly sharp, and the screen is bright enough to..." Read more
Customers are mixed about the ease of use of the single board computer. Some mention that it's easy to setup, connect, and use, while others say that the instructions are complicated and out of date.
"...Installation was quite easy. Right out of the box once connected it will work like a regular monitor with no drivers installed...." Read more
"...with that, but it was the only reason I gave it 4/5 stars for 'easy to assemble'." Read more
"...the instructions provided were out of date. the link in the instructions to the pdf file are more up to date...." Read more
"...Overall, it's easy, reasonably well designed, and the worst issues of the lot are the rather awkward viewing angles and the screen tearing.. It's..." Read more
Customers are mixed about the size of the single board computer. Some mention it's tiny but perfect, and fits well in the box. They also say the screen is small but hard to read. However, others say that it'd be better if the pixels were a bit larger.
"...In the X Windows GUI, it's too small to really be used as a desktop in that it only shows a fraction of the desktop...." Read more
"...It’s the cutest, tiniest monitor screen I have ever come across!! Unfortunately, because it is small it is hard to see anything on it...." Read more
"...if your use case lets you control the input resolution The screen is way too small and way too low resolution (480x320!) to be useful beyond that...." Read more
"...is because it comes with the touch screen, hdmi connector and compact size case with good low price. It is easy to assembly and setup...." Read more
Customers are mixed about the quality of the single board computer. Some mention it has great quality, is nicely built, and works out of the box, while others say that it went bad after a week and was defective.
"...Original review: Unfortunately it arrived defective. It causes my fresh RPi4 to reboot every 2 minutes or so. Basically unusable." Read more
"...tl;dr:good: it's easy to use, has a nice form factor, and it's cheap..." Read more
"Build quality is not there, although this seems to be built for the pi, there were tabs I had to cut off inside the case to get the board in...." Read more
"...Great valuer for the money. excellent workmanship and quality.I had one arrive with a missing part...." Read more
Customers are dissatisfied with the touch capability of the computer. They mention that the touch function is weird, annoying, and inaccurate. Some say that the touchscreen does not work out of the box and that it does not support touch.
"...It still works out of the box but not with touchscreen support...." Read more
"the touch interface is totally bogus...." Read more
"...tried to scale it using the touch screen feature, but it does not work with a Mac Mini - I am using this as a monitor for my Mac Mini, well tried to..." Read more
"...Once I got the calibration tool to run the touch screen works nicely.CONS:..." Read more
Customers are dissatisfied with the resolution of the single board computer. They mention that it has a low resolution and not enough pixels. They also say that the screen resolution cannot be configured correctly, and the image is not clear. Some customers also mention that the internal driver is a virtual 1080p screen, and that the display is subpar.
"...control the input resolution The screen is way too small and way too low resolution (480x320!) to be useful beyond that...." Read more
"...The default resolution is too small while trying to run the calibration as the terminal it opens is too small and you cannot scroll around to see..." Read more
"...Seems to handle many different resolutions, no problem.But for touch screen, you have to add some software...." Read more
"...5 The resolution is so small I can't use the LCD. I'm trying to figure out how to increase the resolution...." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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Installation was quite easy. Right out of the box once connected it will work like a regular monitor with no drivers installed. For me this was at 1080p so I couldn't see much on the tiny 3.5" screen. So I connected the pi to my usual monitor, and followed the instructions in the package to install the drivers. Anyone can do this in terminal, as long as you can read and accept the fact that you have no idea what you're doing :)
Once completed my regular monitor wouldn't work anymore, so I reconnected the UTronics and there we go! Beautiful 480p. Great clarify and color. I later had to go through a bunch of other steps to get it to work with octoprint but that's a different story.
Verdict: you'll be surprised how small 3.5" is, but if you know that's what you want then the product is great. Bonus for being the cheapest screen out there. I recommend it.
Reviewed in the United States on December 1, 2020
Installation was quite easy. Right out of the box once connected it will work like a regular monitor with no drivers installed. For me this was at 1080p so I couldn't see much on the tiny 3.5" screen. So I connected the pi to my usual monitor, and followed the instructions in the package to install the drivers. Anyone can do this in terminal, as long as you can read and accept the fact that you have no idea what you're doing :)
Once completed my regular monitor wouldn't work anymore, so I reconnected the UTronics and there we go! Beautiful 480p. Great clarify and color. I later had to go through a bunch of other steps to get it to work with octoprint but that's a different story.
Verdict: you'll be surprised how small 3.5" is, but if you know that's what you want then the product is great. Bonus for being the cheapest screen out there. I recommend it.
My only gripe is that it needs an HDMI-to-HDMI connector (that is included) in order to send the output of the Pi to the screen hat. See the blue arrow in the photo. The problem with that is it requires the Pi case to be modified by cutting an opening using a Dremel tool. I guess can live with that, but it was the only reason I gave it 4/5 stars for 'easy to assemble'.
Reviewed in the United States on April 7, 2019
My only gripe is that it needs an HDMI-to-HDMI connector (that is included) in order to send the output of the Pi to the screen hat. See the blue arrow in the photo. The problem with that is it requires the Pi case to be modified by cutting an opening using a Dremel tool. I guess can live with that, but it was the only reason I gave it 4/5 stars for 'easy to assemble'.
Haven't tested the touchscreen yet (not sure if I'll bother) and there's an audio in jack that I'm also not sure if I'll bother with for any purpose.
I plugged it into a cheap powerbank to see how it'd fare, and it worked just fine. This thing doesn't draw terribly much power.
Still, despite it just working out of the box without any fiddling as a display, there are still a lot of caveats to take note of.
In particular, the panel is painfully cheap. You get what you pay for and all that, but there's quite a lot to mention:
Visibility is... rough. The panel used appears to have originally been designed for a vertically oriented use, but it's a TN display. The net result is that half the screen is brighter than the other when viewed dead-on from the center. Viewing angle is extremely biased towards one side of the screen.
The backlight is also a tad dim in general.
There's a tad bit of overscan on the side with the fatter border (I'm driving the screen at 800x600 at the moment), so adjust your Pi's config to suit.
There's some not-really-interlacing thing going on where you can see like half the pixels in a checkerboard pattern updating and then the other half and it's a bit flickery looking. It's extremely visible when you move your head.
Also, as far as I can tell, there's no way to stop the screen from stretching the input to fill the screen.
As for other notes, It comes with heatsinks. You'll need 'em!
Put one of the big heatsinks on the big chip in the back, since it gets very, very warm during use. The other two look like they're there for the Pi, but I already have heatsinks on mine.
Also, seriously, don't drive this higher than 800x600 if your use case lets you control the input resolution The screen is way too small and way too low resolution (480x320!) to be useful beyond that. UI elements and text are baaaaaarely usable at 800x600.
To get pixel-perfect output from a Pi, configure a custom video mode in your boot.txt.
Something like this:
#start
hdmi_cvt=480 320 60
hdmi_group=2
hdmi_mode=87
#end
The first line defines the custom mode, the second and third tell the Pi to display that mode.
Overall, it's easy, reasonably well designed, and the worst issues of the lot are the rather awkward viewing angles and the screen tearing.. It's not very expensive, takes HDMI, and fits perfectly (like, it's actually perfect) onto a Pi 2 or 3.
Plus, the box looks like it'd make a perfect container for everything if you don't have a case. It's just the right size and everything. Cut some little holes out and bam.
tl;dr:
good: it's easy to use, has a nice form factor, and it's cheap
bad: the screen is really lo-res, it's a bit flickery looking, and it's a tad dim
ugly: built-in screen tearing
In terms of picture quality, the colors are accurate and adequately deep, the definition is surprisingly sharp, and the screen is bright enough to be used in most places out of direct sunlight. My unit, however, has an odd quirk where half of the screen lags just slightly behind, resulting in a diagonal "seam" between the two halves during video playback and fast scrolling. That's not a deal-breaker for me though, as it's usually not too noticeable, and it works just fine in every other aspect.
I haven't tried to install the touch drivers just yet, but I didn't really buy this for that purpose anyway. Overall, it suits my needs very well and is a pretty good value. I recommend it.
Reviewed in the United States on December 3, 2019
In terms of picture quality, the colors are accurate and adequately deep, the definition is surprisingly sharp, and the screen is bright enough to be used in most places out of direct sunlight. My unit, however, has an odd quirk where half of the screen lags just slightly behind, resulting in a diagonal "seam" between the two halves during video playback and fast scrolling. That's not a deal-breaker for me though, as it's usually not too noticeable, and it works just fine in every other aspect.
I haven't tried to install the touch drivers just yet, but I didn't really buy this for that purpose anyway. Overall, it suits my needs very well and is a pretty good value. I recommend it.
Top reviews from other countries
Touchscreen isn't great using your finger but works far better using the supplied stylus.
Bright and colourful screen and easy to connect to the hdmi port using supplied adapter.
Reviewed in Canada on November 17, 2020
https://www.amazon.ca/gp/product/B096B66P3J
The upscaling to 1920x1080 isn't really usable due to Raspbian's UI scales. I recommend using this screen with command-line OS, or with resolutions about 640x480 or 800x600. Many Raspbian programs -- including built-in Raspbian ones like the web browser -- are designed for at least 1280x768 resolutions.
The touch screen works great close to the native resolution, but has some driver quirks like not supporting drag or hover very well. You also can't really use the large aluminum heatsink with this screen and its case; you'll have to use cables and a bigger enclosure if that is your goal.
Great for compact single-purpose installations, especially if you don't mind coding/finding your own software for the low resolution.