The Sinclair QL Forum

I did have round pins, but couldn’t find them so used those as it’s not going to be plugged into a QL motherboard. Will get some more though

Will tidy up the highlighted joints when I have a chance (and check those not in the image), thanks

Once I’ve tested the full functionality (& I2C) I’ll make one up with round pins and no sockets

Many thanks

Do you have height enough to close the QL case using these pins and sockets for every IC? The space is very limited.

javier2112 wrote: Wed May 14, 2025 8:38 pm Do you have height enough to close the QL case using these pins and sockets for every IC? The space is very limited.

He has told that is going to use it outside the QL. I guess some special model of QL that is not the "original".
That is why he used this type IDC pins (the best for connection) instead rounded type.

javier2112 wrote: Wed May 14, 2025 8:38 pm Do you have height enough to close the QL case using these pins and sockets for every IC? The space is very limited.

I also built the original few months ago, you can't close QL case, maybe if ditch the sockets (not sure). I have created my self a smd version mainly because of that.

Popopo wrote: Wed May 14, 2025 10:51 pm

javier2112 wrote: Wed May 14, 2025 8:38 pm Do you have height enough to close the QL case using these pins and sockets for every IC? The space is very limited.

He has told that is going to use it outside the QL. I guess some special model of QL that is not the "original".
That is why he used this type IDC pins (the best for connection) instead rounded type.

OK. That makes more sense.

Arleybls wrote: Thu May 15, 2025 7:14 am

javier2112 wrote: Wed May 14, 2025 8:38 pm Do you have height enough to close the QL case using these pins and sockets for every IC? The space is very limited.

I also built the original few months ago, you can't close QL case, maybe if ditch the sockets (not sure). I have created my self a smd version mainly because of that.

smdv.jpg

It looks very nice! Have you published your solution? It'd be very helpful for other users.

It looks very nice! Have you published your solution? It'd be very helpful for other users.

Haven't published yet, still need to test the i2c as well. The battery holder fits a cr927, I am yet to see if the timekeeper current req of the smd pcf will make this a usuable solution.
That said, i can ofc share the gerbers if someone is also willing to test this (schematics is pretty much the same as the original). Just drop me a msg.

To fit the 74LS133 on the underside of the pcb I’m going to have to bend all the IC legs upwards

Any tips on how to do this without breaking them please?

Many thanks

The pins will surely break when you bend them upwards.

t0nyt wrote: Fri May 16, 2025 7:08 pm To fit the 74LS133 on the underside of the pcb I’m going to have to bend all the IC legs upwards

Any tips on how to do this without breaking them please?

Many thanks

I am afraid that will not do any good given the socket type on the QL is not hollow (at least on mine ) SO you would have to change the socket first to create space