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Forum Index : Microcontroller and PC projects : Some CYD success at last!

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Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 8884
Posted: 08:57am 09 Jun 2026
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As people on here will know, I have an aversion to the Arduino IDE; it brings on a deep sense of hate and loathing and is no longer allowed to pollute my PC. This has caused problems when attempting to do almost anything with the CYD (Cheap Yellow Display modules for those visiting from a different galaxy) as just about all the "help" assumes that you are using, and are reasonably skilled with, the Arduino stuff - even though it uses a ESP32, which bears no resemblance to any chip used by the Arduino.

Annexe RDS to the rescue! I've finally been able to install it and am now playing with GUI buttons and stuff on it. For those interested, the CYD I'm using is the "ESP32-2432S028", currently available on AE for less than £10. Setup turned out to be relatively painless, unlike Annexe RDS which still confuses me. (For some obscure reason I expect PRINT to print something to somewhere where I can see it, but I think it sends to the default serial port, which isn't seen by the CYD or echoed to the Output page. I dunno...).

At least these two CYDs are now saved from being disposed of as electronic waste. :)
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
ville56
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Joined: 08/06/2022
Location: Austria
Posts: 522
Posted: 09:09am 09 Jun 2026
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use wlog instead of print. print only prints to the console port (serial over USB).
                                                                 
73 de OE1HGA, Gerald
 
Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 8884
Posted: 09:16am 09 Jun 2026
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Thanks. :)
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
jvanderberg
Regular Member

Joined: 06/05/2026
Location: United States
Posts: 69
Posted: 11:19pm 09 Jun 2026
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If you are interested I've got MMBasic running on a cheapish blackboard (Freenove esp32-s3). Should work on CYDs pretty well.
 
Volhout
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Joined: 05/03/2018
Location: Netherlands
Posts: 5908
Posted: 06:41am 10 Jun 2026
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Hi Mick,

Not sure the S3 build will work on the CYD. The CYD uses a different chip.







The S3 chip has a different core.




Volhout
PicomiteVGA PETSCII ROBOTS
 
Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 8884
Posted: 08:06am 10 Jun 2026
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Thanks, both.  :)
The CYD I'm using only applies to the "ESP32-2432S028", not to the "ESP32-2432S028R" or other versions. It uses the minimal ESP32 module. Neither have anything like the capability of the S3.

I've just found "ASCII Aquarium" for it. It's very pretty and makes a really cool little clock. lol
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
Volhout
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Joined: 05/03/2018
Location: Netherlands
Posts: 5908
Posted: 10:58am 10 Jun 2026
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Hi Mick,

ASCII Aquarium:
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH FISH
SAND SAND SAND SAND SAND SAND SAND SAND SAND SAND SAND SAND SAND SAND

But honestly: ASCII aquarium is a nice app. Looks like something MMBasic could produce

Nice Housing

Volhout
Edited 2026-06-10 21:07 by Volhout
PicomiteVGA PETSCII ROBOTS
 
Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 8884
Posted: 01:45pm 10 Jun 2026
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I have the aquarium running at the moment and sometimes you really wish you had access to a 3D printer! That's a lovely case indeed.

The aquarium has a few configurable options, selected by a hidden menu system. I think I'm going to keep it and find some sort of desk space for it. :)
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
PhenixRising
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Joined: 07/11/2023
Location: United Kingdom
Posts: 1941
Posted: 07:43pm 10 Jun 2026
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  jvanderberg said  If you are interested I've got MMBasic running on a cheapish blackboard (Freenove esp32-s3). Should work on CYDs pretty well.


Definitely interested  

What do I need to do?
 
Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 8884
Posted: 09:21pm 10 Jun 2026
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The CYD (at least any normal variants) don't have the ESP32-S3 or any other version, only the normal ESP32. This is in spite of what some of the advertisers claim. There are other yellow boards with displays but they aren't the CYD.

Basically the CYD has a 2.8" display and only micro USB and a com port connector at the end. There is also a version that has an additional USB-C connector with them, but it has a slightly different display and is incompatible with some software. However, programs that are marked as compatible with CY2DUSB are ok. Annexe RDS can be used with either AFAIK as you set the display driver.
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
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