1.25mm connectors on toolhead board

[zurno]

I believe the 1.25mm connectors on the toolhead board aren't actually JST connectors, except where some connectors are being called JST connectors that aren't really JST connectors. (I bought some CQRobot that are labeled JST GH 1.25mm pitch that match the fan connectors but don't match the actual JST GH design of the pre-crimped connector kit I bought)

I think they may actually be Molex PicoBlade connectors and it seems that those may also be labeled as MX when buying generic ones.

[zurno]

Interesting information on connectors. https://www.mattmillman.com/info/crimpconnectors/#picoblade

[blakadder]

Labelling on 1.25 connectors is very haphazard. The connectors used are called Micro JST 1.25mm or Picoblade connectors (https://www.rc-factory.eu/prislusenstvi/konektory-a-kabely/micro-jst-1-25mm-1-par). In Sovol's schematics they're labelled as just "1.25" while the larger ones are PH2.0

GH connectors are "with secure locking device" while MX does nto exist at JST's site, Picoblade is a Molex product

I bought JST 1.25 2-pin and 3-pin connectors (no additional letters) and they work

[zurno]

They are being called Micro JST 1.25mm by people who think that all small connectors are JST connectors. It isn’t a product that they make and sell. And I am guessing that the MX designation is meant to signify Molex.

If there is any good way to at least convey that they aren’t JST GH, I think that would be helpful.

[avakato]

On the Tool Head PCB connectors P2, P3, P5, P6, P7, P8 list as JST 1.25mm however JST 1.25 is not an actual connector series such JST-SH or JST-PH etc.

These are most likely LHE A1251(51021) Connectors that are 1.25mm Pitch. https://www.lhecn.com/a1251/

They could also be Molex PicoBlade https://www.molex.com/en-us/products/connectors/wire-to-board-connectors/picoblade-connectors

While you can search on places like amazon for "JST 1.25" those are LHE A1251 / C1251