This one fits better to the QL.
https://www.thingiverse.com/thing:2853469

tschak909 wrote:II don't understand, from what I see, ser1 and ser2 literally are two of the same connector?

But the wiring is different. One is DCE and one is DTE.

connecting the QL serial port to another computer with internet access ? http://www.linuxcertif.com/man/1/tcpser/en/ TCPser on Linux computer or raspberry. I also had experiment with new modem, based on ARM board instead on ESP8266 (targeted to Atari ST, Acorn and possibly QL), but not tested on QL...

1.) Scart or Composite Video Cable https://www.ebay.co.uk/itm/Sinclair-QL-High-Quality-RGB-Scart-Lead-Video-Cable-TV-Lead-SGC-Compatible-/260814300633 3.) Floppy Disk Interface Unit Choose one: https://www.sellmyretro.com/search?keyword=ql+interface+tetroid&phraseType=allWords&countryId=&am...

[2] Copied sysvars, and system tables to screen0, as shown earlier. Not necessary. VideoRAM is not bank switched. Pointer to start of video memory swaps between two various addresses. I am surprised to see some visual activity at the top 5-10 lines after switch to screen1, while when at screen0 the...

Absolutely.

For me it is simply "the Unix for the rest of us".
Simplicity and imminence of Basic combined with power of all that multitasking, networking, pipes, windows, ...

Can you provide a link ?
I have never seen any for sale on ebay - only serial to DB9 adaptors.

https://www.ebay.co.uk/itm/Sinclair-QL-CTL-Joystick-Adaptor-Cable-Light-Grey-Cable-/173807531157

Auction is now active (ends 24 Mar 2019).
But will be sold soon

How hard would a PTR_GEN file to integrate the Mice system into the Extended Environment. QIMI and similar interfaces have counters built-in, and only time per time (interrupt) the current mouse position (or its delta) has to be read. mICE is simple interface where it is necessary to read status of...