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June 22, 2025

It’s the TRMNL e-ink display

In this video I’m taking a look at the TRMNL e-ink display.

It's a quick video about a simple device but one that took a surprisingly long time to assemble.

I’m glad I can finally move on to making the next video.

Hr's th trmnl ytb lnk : https://youtu.be/vXCWcOuTUng

Hope you have a good week, take care.

UPDATE - I didn't think about the title - after spending a week looking at this thing the word had blurred into having no meaning. I've changed the title now. Oh and as far as my potential health situation goes, still no news.

Comments (67)

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Raul Ramos · July 10, 2025

This is something very appealing to me, as I've been wanting a way to keep out family calendar accesible and visible. I don't know how much faff do I need to go through through

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Paul Watkins · June 30, 2025

Looks like a big forking faff... Can see the appeal, though!

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Deadlazlo · June 28, 2025

Amazing that in 2025, there are still devices that can't auto-negotiate between 2.4 and 5GHz for Wifi. Blink cameras used to - and maybe still do?? - have this same problem. So many devices out there don't have problems, so why is this still a thing?

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Cybernaut · June 27, 2025

I would love something like this to show my bank balance, but I doubt I could get access to the account to do it anyway.

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Mr.G · June 27, 2025

I sure we the community can help just post your account #, sort code, pin, pets name, inside leg measurement and lastly your favourite 1960s tape format that isn't compact cassette and how many Amstrad products you have owned.

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WWW.APCG.SE · June 26, 2025

Bloody Nora. The subject of the email for this post was "It’s TRMNL" Given the recent months of illness, treatment and thankfully recovery I thought OH NO... Its the end. TERMINAL... as in end of the line for Teachmoan, cancer or whatever. Refused to open this email for a week or so. Finally did it and thank god, its another Techmoan video. Mat, looking dapper and good. Bless your work and service to us all. Thanks

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Bill Smartt · June 26, 2025

You've got WAY more patience than I have! The UX issues on this are the kinds of things that drive me nuts. Glad you were able to get it to function the way you wanted. Hard to believe they couldn't include some optional magnets - particularly since there's a promo image with it on a fridge!

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Neil Jones · June 25, 2025

I like that. Are there any instructions with it about how to go about developing plug-ins?

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Techmoan · June 25, 2025

I think there are online resources - but I'm not really part of that world. https://usetrmnl.com/developers

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OzRetrocomp · June 25, 2025

"Hip" product names in all caps and no vowels are a load of BLLCKS imo. It's a neat display, though.

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Mark Thomas · June 24, 2025

Hello Matt - Great review and it reflects my experience when I purchased mine - Once you have it set up though it is brilliant - My morning information at a glance while it get breakfast - Calendar, weather, etc. - As you say not the sort of product if you want to cycle through many screens but great if you want to stop yourself getting the phone out to check weather or what is in your calendar for the day.

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Andrew Fletcher · June 24, 2025

You have a very, err,...interesting week to look forward to! I was just wondering, does your wife have you insured?😀

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Techmoan · June 24, 2025

She’s only just took out a very expensive policy on me and was also the one who booked the ‘fun’ events. Hmmm

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Kevin kennedy · June 24, 2025

Thank you Mat! Interesting device not quite ready for prime time. I can think of multiple uses but the work required to use it seems excessie.

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cbx · June 23, 2025

"Don't buy this!" - I see, you're obviously sponsored by anticapitalists now. This is exactly the kind of device I like watching a demonstration of because it looks neat and interesting. After 10 minutes I've seen enough of it. Does it do anything meaningful my smartphone doesn't already do better, more flexible and convenient? No. Also a this low resolution, the e-ink display doesn't look very attractive.

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Phil Collins · June 23, 2025

I have a feeling that one of the UK mobile phone companies (O2?) did an LCD based device that did something similar I think it was called the Joggler or something like that. Oh, here we go, it was calendar only… https://en.wikipedia.org/wiki/O2_Joggler

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Techmoan · June 23, 2025

Yes I bought a few of those in a sale when they’d been discontinued. I can’t recall what happened to them.

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Drew Tavendale · June 23, 2025

Thanks for the video, Mat. I'd heard about these on the Accidental Tech Podcast but hadn't seen one. For me this falls, as so many things do, into, the category of "Oooh, I'd quite like to have a play around with that but I know that, truthfully, I'd never actually use it for anything". Nice to see it in action, though. Is it possible to change that horrible date format your calendar showed, or does even that require forking?

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Techmoan · June 24, 2025

Yes the calendar I used is a regular app/plugin so you can pick a preferred date format. The one I’m using in real life doesn’t look anything like the one created for the video, it’s just a dated list of the next few events.

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Lee Coles · June 23, 2025

Nice little video that, Matt. A device definitely not made for me, but definitely interesting to watch nevertheless! Always good to see what is out there 🙂 Cheers, Lee

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Grace Robbins · June 23, 2025

Very nicely done video. This is a 1000% upgrade to The Message Machine: https://youtu.be/w1lG2xe5WAw 😂 It's a handy item although I agree with all of the pros and cons you mentioned. Speaking of Paperwhite, you've reminded me I need to recharge my Kindle and start reading things with it again. Having the Kindle app on my phone gives me the lazy excuse to neglect the Kindle even though it's easier for reading outside. I wish I had more to say about this other than "nice video" ..so now I'll get back to adding my own wild and impossible pretend events to my calendar. 😉 Take care 🤍

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Techmoan · June 23, 2025

I wish I had the time to read more than I do. I’ve got a couple of kindles that never get used even though I love the displays.

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Mr.G · June 23, 2025

I only found today that it can't handle a hidden SSID and even if you unhide it you have to re-pair it.

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James(UK) · June 23, 2025

Thanks for this Mat, appreciated. Regards

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Gareth R · June 23, 2025

Good review Mat. Well done on getting it to wok for you. I'll be following your advice and not buying one :-).

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David Fitzpatrick · June 22, 2025

Would love to see an actually useful e-ink monitor at a reasonable price. Would be great for working remote on a laptop.

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Robert Anderberg · June 23, 2025

https://youtu.be/eZApUvyUQrs?si=YHqITO2-8a7nXYC2

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Tim Barker · June 22, 2025

That got me thinking about if anyone has yet done an e-ink photo frame yet and they do, would be interested to try one of those.

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Techmoan · June 22, 2025

I have backed one on Kickstarter I think. When/if it arrives I’ll do a review.

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CrimsonPig808 · June 22, 2025

Thank you for giving a brilliant review. Too hard for me to control, though… And a side note, I couldn’t help but notice your hometown, Skelmersdale. Who would name a community that?, (said the man who lives in Ballville Township).

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Keith Cassidy · June 22, 2025

The vikings! If you want a great video on our placenames, these lads do a good job: https://youtu.be/uYNzqgU7na4

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Josette Reynolds · June 22, 2025

You're spoiling us with another video!

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allister mckillop · June 22, 2025

Better software and this is a hit

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Tom Holec · June 22, 2025

In moments like these I'm glad that I'm not a native English speaker. It saved me from having the same freakout as many of the folks around here, since the only thought I had when reading the title was: "The heck's a Trumnul?"

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Iain · June 22, 2025

The display looked a lot “fuzzier” than I would have expected, especially things like the large “current temperature” digits (a balmy 26 in Skelmersdale at time of filming). After a bit of digging on their site it looks like it’s 800x480 resolution (on the 7.5in screen), although they don’t exactly shout about it. I imagine for many, possibly most, use cases it doesn’t matter and most users will be totally unbothered by it. It’d really bother me though, I love a clear, crisp display, like you get on even the cheapest modern e-reader.

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Mr.G · June 23, 2025

I have 4 at home and I mostly display the Blood Glucose from my Libre Device so that my partner can check on me and make me tea with choccy biscuit or call an ambulance. Trouble is they have no sound. So mostly I use old android tablets that can flash, sound alarms, send to Alexa, send SMS etc. They are not as useful as I thought. I also have one on the fridge, her study, lounge and a mobile one.

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Amro · June 22, 2025

I thought … oh nvr mnd. Thank god I don’t want one.

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Mark Hesse · June 22, 2025

Will you be wearing your new wingsuit to the Disco Dance Party? Sounds like it will be a blast!😉 This does look like a device I could use. But still costs more than I care to pay at the moment and of course, you told us not to buy it.

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Mr.G · June 22, 2025

03:14 They also had a server outage a few weeks about, but only me noticed as it was 2am. I use traintimes.org.uk and www.leddepartureboard.com to get my railway fix. I found Ryan at Terml very helpful in getting stuff working. I have a few of these around the house as they kindly send me some to hand out to people. I've made similar with a EPS32 and an E ink display or old kindles that we transform into vandal resistant bus stops shat show books and poems

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Gareth R · June 23, 2025

Having a couple of redundant/ bricked Kindles I've resisted binning I'm interested to know; how easy/ hard are they to repurpose?

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Mark Walsham · June 22, 2025

Your local weather is the same name as the road I live in, and can you please give us the results of the dancing competition please 😂

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Nicholas Clarke · June 22, 2025

Scaring us all there Mat

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BlueChainsawMan · June 22, 2025

Oh thanks Mat. As a Patreon subscriber, we know when our demise might happen. 30 days from the date this video was filmed 😅

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Tim Berghoff · June 22, 2025

Flippin Eck…you gave me a right scare there with the original title.

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Timothy Miller · June 22, 2025

As a developer, IMO I think this is good feedback for them. Seeing that first error message I was like yeah, you could have better handling of that to explain where to get help, saying you have “malformed content” isn’t actionable, it’s a dev thing. Then seeing it said “Fork” and yeah, they probably needed to talk to people outside their circle more when designing it. Using developer jargon isn’t bad in itself if it’s intended for developers, but if you need to use it to edit an area code, then you either need to change stuff around or give the name a rethink.

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Tunix · June 22, 2025

Well put. The TRMNL looks like something you'd buy from an Adafruit-type shop, just with a housing. Except here, you have to pay extra just to be able to build anything for it.

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Maik Lehmann · June 22, 2025

Bld bstrd! ;-)

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Matthew Hartley · June 22, 2025

Jesus, my heart stopped for a second then.

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InitiallyTK · June 22, 2025

I was notified by email with the original post title and was terrified. I've never been so happy to see an e-ink display

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Cards and Points · June 22, 2025

Same here. Got the email pop up notification when I was not in a place to check it and my heart sank. So glad to know that it’s a display. Mat, we’re all wishing you the best. ❤️

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CalamityJames · June 22, 2025

My god. The most crazy inadvertent clickbait ever! 😂 My heart skipped about 20 beats!

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J Ruonti · June 22, 2025

Same. Got the email notification and yeah, same reaction. What a silly name for a display and an unfortunate timing here for sure. Phew tho.

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Philip King · June 22, 2025

Title aside, which my brain didn't pick up on at first glance - I am looking forward to the wingsuit review. 😜

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Levi Littvay · June 22, 2025

Heart attack inducing for sure in the email and push notification. I am glad it wasn't what I thought it was ;)

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Plaster · June 22, 2025

Omfg

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James Plant · June 22, 2025

Oh man, don't do that!

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Retro Nick · June 22, 2025

"More pretend stuff", sky diving, nice see you not lost your sense of humour, classic techmoan

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Dawn Anthes · June 22, 2025

I hope Mat did well in Friday's Disco Dancing Competition.

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Antony · June 22, 2025

Oooh this is an area I've been looking into. I want a dashboard and an trying desktop ones and considering tablets, Pis, eink displays and can't work out what to do. I'll watch with interest. Oh and I love the gallows humour.

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Barry Hudson · June 22, 2025

Please don’t do click bait after your diagnosis!

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Techmoan · June 22, 2025

Didn't think about it - I'll change the title.

[
[redacted] · June 22, 2025

Dammit, Mat! That title...

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Gerard Pianta · June 22, 2025

Yikes this made my heart race.

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Brandon Nedwek · June 22, 2025

Some classic Techmoan dark humor

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Paul Coates · June 22, 2025

When I read the title as "it's terminal", you scared me. 😥

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Alex · June 22, 2025

Jeez, what a Title after your recent health scare!

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Alex James · June 22, 2025

Seriously... My heart stopped.