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UCTRONICS 3.5 Inch Touch Screen for Raspberry Pi 4, HDMI TFT LCD Mini Display with Stylus Pen for Pi 4 B, 3 B+

4.2 4.2 out of 5 stars 656 ratings

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  • 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.

Product information

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UCTRONICS

UCTRONICS 3.5 Inch Touch Screen for Raspberry Pi 4, HDMI TFT LCD Mini Display with Stylus Pen for Pi 4 B, 3 B+


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Product guides and documents


Product Description

For Raspberry Pi 4B/3B/3B+, 3.5mm audio jack, Plug & Play, Work as a side screen for your PC

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: Connect with Raspberry Pi

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.

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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.

 Mini LCD Screen with Case 7 inch HDMI Touchscreen with Stand 5" HDMI Touchscreen 7" HDMI Touchscreen with Stand 7" HDMI Touchscreen
3.5 inch HDMI Touchscreen with case 7" HDMI Touchscreen with Stand 5" HDMI Touchscreen 5" HDMI Touchscreen with Stand 7" HDMI Touchscreen
Customer Reviews
4.2 out of 5 stars
656
4.3 out of 5 stars
275
4.1 out of 5 stars
125
4.1 out of 5 stars
125
4.3 out of 5 stars
275
Native Resolution 480 x 320 1024x600 800x480 800x480 1024x600
Touch Type Resistive Capacitive Capacitive Capacitive Capacitive

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Customer reviews

4.2 out of 5 stars
4.2 out of 5
656 global ratings

Customers 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

28 customers mention23 positive5 negative

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

15 customers mention15 positive0 negative

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

47 customers mention29 positive18 negative

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

30 customers mention19 positive11 negative

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

25 customers mention11 positive14 negative

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

20 customers mention9 positive11 negative

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

26 customers mention5 positive21 negative

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

14 customers mention4 positive10 negative

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

Them (Mac Mini) bottom jeans, boots with the fur, the whole club was lookin’ at UCTRONICS 3.5” TOUCH
4 Stars
Them (Mac Mini) bottom jeans, boots with the fur, the whole club was lookin’ at UCTRONICS 3.5” TOUCH
I will review the shipping, customer service, and the product. Shipping is very quick so automatic 5 stars.Customer service is alright, I’ve asked question about this product and received a couple replies.As for the product, it is sooooooo soooooo cute! 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. I’ve 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 anyway. It’s not working too well to say the least. I really wanted to like this item and keep it, but it’s not working out. Maybe in the future I will return if they can fix the touch screen!! Overall it’s not bad, it just doesn’t work as well as advertised. If you don’t need the touch screen, and you want a small portable monitor to carry around with you I recommend this item. Otherwise, if you need the touch screen for a Mac Mini look else where. Hope this helps, and good luck!Side note: (air purifier is running in the background, it is not the Mac mini or the screen) if you’re going to use this as a mini portable monitor all you need is an hdmi cable and whatever your desktop needs (hdmi/VGA/DVI/etc.) and a usb cable to power this monitor. Those two cables and it’s ready to go, didn’t have to install any drivers or anything.
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Top reviews from the United States

Reviewed in the United States on December 1, 2020
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5.0 out of 5 stars Surprisingly good screen
Reviewed in the United States on December 1, 2020
I bought this in November 2020 to use together with TouchUI and Octoprint on a Raspberry Pi 3B+. I had no graphic desktop installed, and did everything from the Raspian terminal.

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.
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One person found this helpful
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Reviewed in the United States on April 7, 2019
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5.0 out of 5 stars Good value for the money. Does the job.
Reviewed in the United States on April 7, 2019
It was really nice that they included an SD card with a full running OS and drivers installed. I had begun by using my existing SD and installing their drivers from their web site. The screen does what I want. I needed it for a terminal emulator in character mode. 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. The preference pane is too big and you can't see the OK button. (Hint: hit Alt-O to click OK.) . It is what it is and you have to know that when you choose any 3.5" screen.

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'.
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9 people found this helpful
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Reviewed in the United States on November 3, 2019
5 people found this helpful
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Reviewed in the United States on December 3, 2019
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May
5.0 out of 5 stars Does the job at a good price.
Reviewed in the United States on December 3, 2019
I bought this for the all-in-one "FrankenPi" device that I've been building, and it works very well.

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.
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3 people found this helpful
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Top reviews from other countries

Barrett Dent
5.0 out of 5 stars Recommended by Chris Riley (Chris' Basement) for OctoPrint
Reviewed in Canada on January 13, 2021
One person found this helpful
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ScoobyDoo
5.0 out of 5 stars Great little screen
Reviewed in the United Kingdom on March 7, 2021
Ralph Jospeh David
5.0 out of 5 stars One of the good ones👌🏻
Reviewed in Canada on November 17, 2020
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Ralph Jospeh David
5.0 out of 5 stars One of the good ones👌🏻
Reviewed in Canada on November 17, 2020
I ordered this screen for a mod for my PC. I had problems with delivery but the seller handled it perfectly. Probably one of the best customer services I’ve ever experienced. They were friendly and very detail-oriented with everything. The product itself is as described and works perfectly well. I would definitely buy it again.
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Seb
5.0 out of 5 stars Video works straight out of the box with a PI 3 / 4
Reviewed in the United Kingdom on June 15, 2021
Aaron
4.0 out of 5 stars Apps must be designed for 640x480 or smaller resolution
Reviewed in Canada on March 12, 2022