Best approach for supporting 11 actuators distributes in 4 zones

[brainstormi]

Hi...
I'm trying to setup it to support a 11 actuator installation than control 4 different zones (rooms where I have a thermostast). This implies that 1 room can has more than 1 actuator associated to it to cover all the space.
Would it be feasible to connect more than 1 actuactor to a single channel in board?
If not and I need to expand the number of channels, in the readme it says that 1 board could be extended to 16 channels extending shift registers, but there no additional info/diagrams about how to do this. Could you elaborate a bit more how to extend the number of channels?.
I saw than the recommendation would be to use 2 boards for this purpose, I was trying to minimize the number of devices installed to simplify the maintenance overtime if feasible.
Regards,

[nliaudat]

Hi,
You cannot use 2 actuators on the same channel cause the endstops are differents for each actuator.

You can chain 2 boards like explained in https://github.com/nliaudat/esp32_8ch_motor_shield/blob/main/shiftregOut.md