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The Half-Baked Maker

901 orders since May 28, 2019

Morgan Hill, CA, United States of America

Ships from United States of America.

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I batch orders approximately once a week. Packages normally go out on Monday mornings, unless it's a US Post Office holiday in which case the next business day.

Overall Rating:

Review Breakdown

5
61 4
13 3
0 2
0 1
0

Average Ratings

Product: (5.00)

Documentation: (4.91)

Shipping: (4.91)

Communication: (4.91)

All Reviews

Dirk | Aug. 5, 2024

Great unit that fixed my pocket computer

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

Great unit that fixed my pocket computer. Was not too hard to install using the developers install instructions.

Valeriy | March 2, 2024

Fantastic product

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

So grateful to the creator of the replacement screen!
Quality of the product is fantastic, and instructions on replacement are very clear.
I decided to try installing it without cleaning neither the new display nor the elastomeric strips, just kept them clean. Everything works fine.
When I tried to adjust the glued potentiometer to improve contrast, it snapped and suddenly the device appeared dead. I replaced the potentiometer with a 220kOhm resistor (my first guess) and it worked great right away. Important note: I'm using THREE silver oxide batteries to keep the voltage close to the original four mercury batteries. The fourth (left-most) battery apartment I've shorted by a flipped battery.

The new display looks and works fantastic, it's better than I imagined. Kudos to the author!

Zumstein | Jan. 17, 2024

Amazing work, thank you a lot

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

My PC-1251 woke up again, thank to your investigation and work. Great job!
I used your instructions except that I used a hot air metal plate at 100 degrees C for about 5 minutes to be able to separate the old display from it's frame.
Thank you a lot!

Michael | Jan. 8, 2024

Works like advertised

For LCD replacement for Sharp EL-5100

I just finished repairing an EL-5100 and an EL-5100S. Both worked on the first try.

I soaked the metal frame in acetone for 3 hours and the old LCD came out easily. Left the adhesive in place, and used it to hold the new LCD.

I aligned the left edge of the LCD (the side without the bump) to the left edge of the frame (the side with the hole). Cleaned everything with isopropyl, blew off the dust, installed the zebra strips, crimped the frame in place and it worked!

Thanks for your dedication, making parts to repair a calculator I bought 45 years ago!

Robert | Dec. 17, 2023

Works great to replace failing EL-5100S LCDs

For LCD replacement for Sharp EL-5100

I have two EL-5100S with slowly deteriorating silver LCDs. When I saw that new LCDs are available to fix them, I couldn't be more happy to try it out. Oh man! These new LCDs are perfect! Installation was not as difficult after viewing the videos. I made sure the zebra strips are perfectly clean and have no dust particles sticking. Worked for me on the first try. So, instead of acetone or heating, I soaked the old LCD frame for a day in alcohol. Once some part of the glue detaches in one of the corners with a little bit of pushing (being careful not to break the glass), I then pushed some thin plastic wedge between the frame and LCD to let the alcohol do its job. Easy to clean up. The glue didn't dissolve and holds the new LCD nicely in place. I also have a pristine and beautiful EL-5100 with the yellow LCD. That machine shows no deterioration yet (knock on wood).

Matt | Nov. 13, 2023

What a rewarding experience, saving a Pocket PC-1 (or two)!

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

After stumbling across a YouTube video by Tech Tangents having taken on this repair, I decided I also had to participate in this repair festival. Bought a trashed TRS-80 Pocket Computer (and all its accessories, including a printer!) on eBay, then bought the screen, immediately together. The screen was degraded in exactly the way described. The replacement arrived, and -- though I made both kinds of mistakes in the process (LCD installed backwards, two different ways, and dumping the keys out by flipping the chassis over while trying to remove the polarizer without damaging the thin metallic trim piece)... I eventually got it all together properly, and it works absolutely perfectly.

It might also be worth noting here, the printer relies on an internal NiCd battery that is much easier to find - a battery for a Verilux Cleanwave UV-C wand is a perfect fit in the printer. Just takes some creative soldering (the wire doesn't seem to take solder in its condition, so I replaced the battery wiring too), especially if that 40-year-old NiCd battery pack has already leaked. If the battery is flat, the printer won't work on the AC adapter, but if the battery is good, it might just work like new again! The ribbon is easiest to find - simply an Epson ERC-05.

Bought another (this time, a Sharp PC-1211), listed the fixed one back on eBay, and now it's time for round 2!

Guy | Oct. 5, 2023

Sharp EL-5100S LCD Replacement

For LCD replacement for Sharp EL-5100

Hi Robert,

Like others, I thought my Sharp EL-5100S was destined for the the trash bin. I found your product and am very pleased with it. Following your tips , I replaced the LCD and it works perfectly. Rather than using acetone to remove the bezel from the old display, I used a heat gun. I was able to re-use the adhesive to hold the new one in place. The contrast is a bit high though. Luckily, there was no pot paint on the trimmer on my device, but adjusting it made no difference. It is fine as is, I was just being nitpicky. Thank you so much for undertaking this project, and kudos for a job well done!

Zoltan | Aug. 11, 2023

My Sharp PC-1211 was saved!

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

Hello Robert!
I successfully replaced the LCD on my Sharp PC-1211, it works very well! Thanks for your work and detailed guide.

Zoltan, Hungary

Frank | July 5, 2023

Perfect replacement, good video howto, perfect.

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

I tried to get my sharp PC-1251 back to live - it was in perfect condition besides the deceased LCD.
This replacement is perfect, gives the original look and feel and the replacement is easy, thanks to the good video tutorial.
Bevor you throw your dysfunctional TRS-80 PC-3 / Sharp PC-125x into landfill, give it a new life and have fun with 1982s BASIC ...

Michael | May 26, 2023

Outstanding!

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

I can’t thank you enough for making these LCD panels available. I have an old TRS-80 pocket computer that’s been suffering from screen rot forever. This brought it back to life.

Aside from the acetone soak, the surgery took well less than an hour. The only bit that went a little sideways was the wiper on the contrast pot, where the solder joint broke from the torque trying to free the wiper. But it was easily soldered back and my old friend lives once more!

Again, thank you.

Don | April 30, 2023

Great product to fix vintage calculators.

For LCD replacement for Sharp EL-5100

Received the LCD for the sharp 5100 and replaced the LCD in my 5100s and it now works perfectly. Great product will defently buy again for other calculators in my collection when the old LCD's start to fail.
Update 5-25-23 purchased another LCD for a Sharp 1500 this time and fixed this calculator also. This calculator had a total black screen from LCD bleed and now it is like brand new.

Hans-Ulrich | Feb. 24, 2023

Thanks to Robert C Baruch

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

Hello Robert,
I have two Sharp PC-1211 which weren't useable anymore since years due to the wellknown LCD problem. I'm a sailor and a fan of astronomical navigation. The mathematics for that isn't the easiest one, that's why I tried in the early 80's to write a helping program in BASIC. ( 1 step, 0 memories left !!)
I succeeded in that and were using the program on that Sharp PC-1211 together with a sextant on many sailing trips worldwide.
I'm not so experienced in other modern program languages, that's why a friend of mine currently tries to get run my old BASIC- program on a windows based computer.
When I heard about your activities around the replacement of the LCD I was really curious, because that was maybe MY SOLUTION. I ordered two new LCDs and with the help of your perfect video on YouTube how to arrange the replacement, I succeeded !
Now, again I have two perfect working BASIC - computers in my hand.
Thanks a lot for your excellent help in that matter.
Best greetings to you from Germany
HANS-ULRICH

Michel | Jan. 10, 2023

Awesome products and easy to install

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

It’s a pity to see our beloved pocket computers dying. Thank to Robert, this is an old story.

I am the worst handyman I know but, thanks to the videos, I have been able to replace so far 1 PC 3, 1 Sharp PC 1251 and 1 Sharp PC 1211. So, if I can do it, everyone can.

Thank you Robert.

Michel | Jan. 10, 2023

Awesome products and easy to install

For LCD replacement for Sharp PC-1245

It’s a pity to see our beloved pocket computers dying. Thank to Robert, this is an old story.

I am the worst handyman I know but, thanks to the videos, I have been able to replace so far 1 PC 3, 1 Sharp PC 1251 and 1 Sharp PC 1211. So, if I can do it, everyone can.

Thank you Robert.

PS : Today (Feb. 18th 2023), I changed the screen of a PC 1245. I was lucky because, I had a good result at the second attempt. I paid attention to not damage the wires.

Michel | Jan. 10, 2023

Awesome products and easy to install

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

It’s a pity to see our beloved pocket computers dying. Thank to Robert, this is an old story.

I am the worst handyman I know but, thanks to the videos, I have been able to replace so far 1 PC 3, 1 Sharp PC 1251 and 1 Sharp PC 1211. So, if I can do it, everyone can.

Thank you Robert.

PS: I changed today (Feb 18th 23) the screen of a PC 1245.

Charles | Dec. 24, 2022

Worked like a champ on both my PC-1 and PC-3!

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

Thank you Robert for taking the time and engineering these displays so our fellow Tandy handheld PC lovers can bring their PC-1's and PC-3's back to life!

I've done both and now I have two fully operational units along with my PC-6. Your engineering was spot on and instructions easy to follow. My only gotcha was the small ribbon cable on my PC-1. After the display was replaced it would go blank if the the two boards were folded back together, yet come back to life if they spread apart. Turns out the small ribbon cable connection near the row of short connects that tied the two boards together had a short section that was making contact when the boards were closed. Once I spotted that and folded the extra section over it worked like a champ.

Now I need to find a way to fix one of the hinges on my PC-6....

Well done!

Chuck

Jean-Claude | Oct. 15, 2022

Great

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

I was looking for a long time for this LCD to bring back to life this computer to which I am very attached.
It's the first computer i bought, in 1982, and on which i learned the basics of programming.
I've replaced the LCD following your instructions and everything went all right, it works really really fine.
I put a piece of plastic under the slider of the potentiometer instead of removing it, it is easier and it works very well.
The shipment was very fast with no problems.
I would like to thank you for this excellent work.

Chrissy | Aug. 17, 2022

So Far / So Good!

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

My husband is working on installing this LCD screen now and so far it seems to be exactly what he needed. Thank You!!

Jon | Aug. 11, 2022

An excellent replacement display for my Sharp PC-1211

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

The display looks beautiful in my PC-1211, I would highly recommend it to anybody needing a replacement.

Not only that but the video detailing the process is excellent and very easy to follow.

Top marks for managing to recreate the display for this little machine at such a reasonable price, it has brought back my brothers machine from the dead, he's had it from new so it is a nice piece of family history too.

It is a shame that the UK VAT rules are so ridiculous as it took 5 weeks for mine to arrive via a forwarder and it about doubled the price, so something to be aware of if you're in the UK and need just a single display.

Joel | Aug. 11, 2022

Nice LCD

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

Another saved RS pocket computer. Installation takes a little care but is not too difficult. This LCD was a happy find.

Joseph | July 2, 2022

Another one lives!

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

When I decided to get into vintage pocket computers, I bought a Tandy PC-3, not realizing that the display was completely gone (pictures rarely tell the full story). Undeterred, I ended up getting a Sharp PC-1250A in perfect working order, but of course I held on to the Tandy. I knew Half-Baked Maker had reverse engineered the display for the Sharp PC-1211, but I didn't realize until a few weeks ago that he had also reverse engineered the display for the Sharp PC-1250 series! Naturally, I pounced. I went ahead and got 2 just to have a backup for my 1250A, but I was really excited to try and get the Tandy working again. I've got to say that I was a bit nervous using acetone for the first time ever, but everything went very well and very smoothly. Definitely watch his video a few times before attempting this repair; it's amazingly clear, and he goes through the entire process slowly and methodically enough for any beginner to easily follow. If you have a PC-1250 or any of its brethren with a bad display, don't hesitate to order a replacement! You'll be very pleased with the results!

Ninja | March 23, 2022

Very great replacement!

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

My PC-1211 had already shadows and it's only a matter of time before it takes over the whole display. So after I saw the videos I bought 2 displays (this and one for my 1251). The instructions in the video are very clear. It took about an hour and a coffee to change the display. Now my PC-1211 is fully restored and I don't have to be afraid, the display will be defective in the future. Thank you so much! :)

Ninja | March 23, 2022

Really great!

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

I was giftet a PC-1251 with a complete black LCD. Coincidentally I stumbled over the YT channel of Robert. After I saw the videos, I didn't hesitate a long time and bought 2 displays (this and one for my PC-1211). With the video it was very easy to change the LCD and the PC-1251 is back to life again! I'm happy that people can now prevent the great PCs from ending up in the garbage just because of a defective display. Thank you so much for this! :)

Jimmy | March 16, 2022

Got my TRS-80 PC-3 display working again

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

Fast Shipping. I was able to repair my TRS-80 PC-3 without any major problems. This is a pocket computer that I had originally purchased in the early 1980's. Followed the tutorial by Robert Baruch on Youtube to make the repair. I was successful even though I first tried to put the display in upside down! I guess that I needed someone to keep yelling white side up during the operation. We did need to purchase a fresh bottle of acetone to replace an older one that my wife had. The old one did not work at all.

Carlos | Feb. 13, 2022

Easy way to restore these pieces of history

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

Thanks Robert for taking the time and ingenuity to make this replacement LCDs, with your video and a little common sense it is really easy to fix these wonderful computers, I finally restored a Sharp PC-1211 that means a lot to me as I started my career in computing sciences when I was 10 experimenting with this 4 bit computer/calculator. Kudos!

Dmitry | Jan. 28, 2022

Perfect LCD, thank you!

For LCD replacement for Sharp PC-1246/PC-1247

An excellent product and a wonderful seller, the speed of sending and delivery is at a high level, I installed the LCD without any problems and now my SHARP has come to life again and makes me happy.

Clayton | Dec. 29, 2021

Thank you!

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

I just replaced the lcd on my sharp pc-1211 and it looks great. Now the restoration is complete. I had just previously restored the CE-122 printer and cassette interface and now have complete working setup. Thank you!

Goran | Nov. 11, 2021

Received fast, Works great!

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

Thank you for this replacement LCD. What used to be a useless pocket computer, SHARP PC-1251 with a broken LCD, is now usable again.

Joseph | Sept. 11, 2021

Works great!

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

This allowed me to restore a PC-1250A I bought on eBay. Its screen was all black. No problems at all with the replacement- I did watch your Youtube video instructions. Now I need to find a replacement belt for the tape player in the associated CE-125..

I'm amazed that there was a reasonable cost way of duplicating these LCD displays. I definitely need to design a custom LCD display for my next project.

Raffaele | Sept. 4, 2021

Worked immedietely

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

I installed the LCD following the youtube video instructions. No issues at at all; the display is working again after many years.

Owen | Aug. 13, 2021

Brilliant project and end result that breaths life into old

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

I don’t know where to begin to say thank you for this brill replacement LCD. Fitting was straight forward and the results startling. What had been a useless pocket computer, PC-1251, is now usable again. I didn’t need to do anything with the contrast wheel except to turn it up quite high and put two new batteries in. I have a slight issue in that digits 3 and 4 in from the right are flaky, missing pixels or too many pixels. I’ve tried refitting 5 times now, and won’t do it again as I could feel the LCD bracket lugs starting to give way. Even with this you can always make out what the display is.

All I can say is wow! I wouldn’t even have got off the starting blocks with this project, much, much less had the skills to get it to production.

Garrett | June 18, 2021

Great product, support his efforts - Buy with confidence

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

Another great product. I've purchased 5 or 6 of the LCD's for the PC1 and all worked perfectly. I recently got a couple PC3's of which one of them had a dead LCD. I did a blind BEEP test to confirm the unit functioned and purchased. I'd say the PC3 is a little easier to work on and replace than the PC1. Great video support as well for instructions. I'm going to buy a spare LCD for the other PC3 that will likely fail over time, as well as a spare or two for the PC1. Thanks Robert and I look forward to other projects you may have in the works. And a special thanks for supporting these old units and keeping vintage computing alive and well. . .

Joshua | May 21, 2021

Received fast, Works great

For LCD replacement for TRS-80 PC-3 / Sharp PC-125x

Good quality replacement LCD. Watched his instructional YouTube video and changed it myself, I would recommend.

Pawel | May 13, 2021

Great replacement LCD! Works perfectly.

For LCD replacement for TRS-80 PC-1 / Sharp PC-1211

Good quality, easy to mount, working fine. Congratulations. I don't know why I have to write 100 characters in the review. This does not make sense.
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