Part 1: Raspberry Pi Zero Retro TV with the Casio TV 880
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- เผยแพร่เมื่อ 28 ส.ค. 2024
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Gimme part 2! I’d love to see this thing used as a tiny terminal. 🥺
A Casio TV 880 turned up when we recently de-cluttered the office, and I adopted it for no particular reason. I did see the "audio/video" jack but for some reason assumed it was an output instead of an input, until i came across this video... so I tried it and yep, a stereo headphone to RCA cable works fine for video and mono audio, whether from a Gopro or a Raspberry Pi... of course the screen resolution is far too low (something like 50 lines at best, and no rectangular pixels either? very weird display technology) to use as a proper screen for the Pi, but i'll have to find an application for it now ;-)
Devices of that era use the 3 lead jack and plug from stereo headphones, not the 4 lead used with devices that have a microphone. The audio "interference" is the video signal being applied to the audio input of the TV because you're not using the correct cable.
I have a similar battery-powered handheld color TV (the NTSC version for the US) and it has the original AV cable with a 3 lead plug - TRS (tip, ring, sleeve) instead of the current 4 lead TRRS (tip, ring, ring, sleeve).
The brightness and contrast adjustments interact a bit, which is more obvious on a still image (RPi screen) than a moving image (TV).
Thanks dude, I figured out the cable mis-match and the white audio RCA connector was video. I figured it would be ground, video, left and right so 4 pole. Really looking forward to playing with this one :-)
David Watts
I swear our brains are programmed that yellow is video and refuses to let us to think to try white or red.
Another culprit might be people treating others poorly for not solving a problem quickly and in as few steps as possible, as if following a script prescribed by a guru. Everyone thinks a master at anything didn't get tons of shit wrong before they mastered it.
Came to the comments section to say exactly this.
From using the Cinemizer Goggles I know that regretfully there are two different wirings for such AV-connectors. If you have the wrong adapter, its not enough to swap the RCA Jack because ground is wired differently. (I dont think this is the case here because IIRC you'd have no picture.)
Pretty interesting! Will there be a part two one day?
My advice to you David, you must have used the correct video cable terminal to display that video.
Ebay Accidently sent me one of these.... Now i know what im about to do with this. Thanks
I had snagged one like this years ago, when they were new, with hopes of hooking it up to a Commodore 64 keytar rig I was working on at the time, as built-in monitor for the '64... with a builtin Prophet 64 cartridge, etc. I hit a major snag in that the monitor, although it was an active matrix display (good!) it had a very low resolution display (bad!). so even the '64's text was sadly unreadable. I should revisit this project using one of the modern composite 3.5" "rearview car display" monitors... which are $15. (I have one in a Retropie-in-an-atari-lynx project I made). Cheers, mate!
that's a fun project man! Looking forward to more!
Perfect picture quality with TOP-ITO-Colour-Filter and custom Casio High-Contrast-Circuit. 39k Pixels, Super-Passive-Matrix (Ti-STN). Found this description back from when they sold it. Marketing language.
Ha ha, I remember seeing one when they were new. A friends family had one when they went caravaning, it was kinda rubbish then.
Whatever happened to Part 2? I have a Casio 570 and a couple Pi Zeros and would like to see the entire project.
This would be a good job for the CHIP computer. That $6 single board comnputer already has an RCA out, I think it's even in the alternate ordering
I think it was $9 and I have one here but I didn't want to use it in this project. The on-board WiFi and AV out would have been great though.
I just picked up a TV-880b at a yard sale and stumbled upon this great video. I guess you never completed Part 2?
👀
Ha ha, no, not yet. One of those that didn't go as planned, then I put it in a box. I really should get it out again.
I've been thinking about making a retro gaming (RetroPie) set out of one of the bigger crt type portables.
lol fantastic!! I just bought one of thses on facebook, and was exactly what i was gonna do with it!! nice!
2020 still hoping to see part 2!
Me too, can't find it at the moment tbh and this would be the ideal time.
@@DavidWatts 2022 still hoping to see part 2!
The resolution on the lcd is way to low for text.
Internally the lcd driver is rgb based. Quite possible to get a significant quality boost by highjacking those rgb signals.
Edit: Have a camera from about the same era with a casio lcd, that thing looks quite nice tbh.
For mine I just ordered a car backup monitor from Ebay as they're about £11, the electronics are a lot more compact, they use much less power and the picture quality is considerably better (I used to have a Casio TV-450). Gameboy "DMG" shells are around £6 from Ebay too. Biggest problem I still haven't 100% solved with mine is the battery, I've been trialing some 14500 3.7 volt li-po batteries but I'm not satisfied. Got some PS4 controller batteries on the way - the idea is I want to be able to change the batteries when out and about.
hi, can i just ask where you got the 5mm (correct me if im wrong) yellow rca cable? i can't find them anywhere online, do they have a special name?
you shouldn't need to use an active video signal just plug the lead in and use a multimeter in continuity u already kno witch pins it is on the connector hope this helps
Comon mate, where is the fun in that?! :-)
4 mins of getting rid of nonsense is the reason. Lol
This makes me wish I still had my little Radio Shack TV...
Raspberry Pi Zero was a thing in 2017?
you need to add a foot for desktop with plenty space inthere even for a powerbank
I have one. Will there be a part two one day?
You could just gut it for the case and use a more modern LCD, such as those from AdaFruit... but whats the fun in that? :-)
well I'm interested ....would like to see it finished and perhaps make my own
It's 2022 and there's no part 2!
Wheres the second part?
Marko Zutic Oui part 2
Might be best to determine the pinout and make your own cable.
I may have misunderstood your intentions, but doesn't the Pi have an audio out you could connect to the AV in for sound?
Not the Pi Zero, this is the audio circuit I will probably use - learn.adafruit.com/introducing-the-raspberry-pi-zero/audio-outputs
David Watts
Ah! I didn't realise that was one of the bits they'd cut. 😌
Thanks for the reply. 👍
I have a nice little pcb for this with surface mount components i can send your way if it shall help.
I'm in, I have the exact same tv lying and the older casio around and will hookup the raspberry pi 2 to it if possible. Dunno what to do with the other.
I also gonnna try if you can solder a car usb adapter to the batterypack to power the pi.
Are 6 batteries enough to power the pi and tv? Maybe take an 8 pack like the GoPiGo.
Awesome. The TV is happy on 4.5v is seems so you will be fine with USB. It does say 6v in but there is some tolerance for batteries in there. I plan to use a LiPo and a boost board.
I have an older tv 470 rf only though i do have an rf to scart adaptor maybe it can be converted to rf
(Yes pressure)
I found one of these in a second hand shop today for £6 mint in box and said to myself "I am going to stick a Pi Zero W in that. Just looking around the web for information on the device and I find this video. lol
:) I just heard about the Zero W, kind of annoying but cool when I pick one up. Good luck with the build
TheDutyPaid i am yes one
so everybody´s watting for part 2
Any progress on this project? Got started recently with a suitcase boombox with a raspberry pi mediacenter built in and just got my hands on a Casio EV-500 I want to incorporate into it....
Yeah, quite a lot. Just not managed to get over the procrastination to make a video about it :-)
somehow I know that feeling... ;-)
@@DavidWatts well, the people are waiting! This was the first thing that came up when googling this model number! I'm keen as to see what you did with it!!
Wheres part 2!?
Did you ever finish this project?
ish, the screen looked terrible once I was finished. Dim, poor resolution and pretty noisy. I relegated it to the parts bin. One of those finished off camera, not worth recording projects.
put a touch screen in there?
I quite like the retro look and feel of the crappy LCD display. I don't really need it to be useful, just a bit of fun.
I had one of those things but I already disassembled it.
use a 3 conductor av cable
I did something similar with a Sinclair TV but gutted it entirely and used one of the really cheap 2.2″ SPI LCDs off ebay and a Pi Model A. Would have been so much easier now the Pi Zero is available!
Blog post on it here:
nathan.chantrell.net/20141001/raspberry-pi-sinclair-tv-lcd-conversion/
and a fun little video showing it playing a news report of the original Sinclair TV launch:
th-cam.com/video/JBr381ptp10/w-d-xo.html
That is awesome. My picture won't look nearly that good of course but it will be fun to play with. I had forgotten that they used to put zebra strips on the screen to tell you the end or break in the program was coming up.
what happened to part 2?
It hasn't happened but hopefully I'll pick it up again.
I had one of these!
Non part two?...
Should have thought about using one of the other RCA/Composite plugs in the first place, usualy if it does not show on the standard one after pushing it in all yhe way test the others before figiting with it anf risking damaging the plug or the unit
Why am I getting the same add all the time ?
wen camera part 2
So did you ever get the Pi Zero to work?
Yep, just been busy IRL. Putting together part 2 is a bigger job that I have the hours to commit to at the moment.
Have you tried to network the Zero? I haven't had any luck and there doesn't seem to be any way to get WiFi to work or anything like that.
Yeah, mine seems fine. I am SSH'ing into it using the WiFi. What is your setup?
It's a Pi Zero 1.3 with Raspberian from the Pi website with a Kensington 4 port USB hub and a wireless keyboard. I also tried Ubunto Mate that's listed on the Pi site for ver 2 and 3 but that won't boot. That seems to be as far as it will go, it doesn't recognize any kind of USB wifi adapter or Ethernet adapter so there doesn't seem to be any way to network it which makes it pretty useless. How did you get it to work?
It is likely that your hub is not powered which can be a problem, the USB WiFi adaptors can draw a fair amount of current. It should be plug and play with WiFi on Raspbian, I didn't do anything special.
90
Wow 30 secs in this I said put in the white plug. Duh
Where is part 2
Delayed by other projects unfortunately.
@@DavidWatts I want to see Part 2 as well. I got a Casio 570 and a spare Pi Zero