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22/09/2024 07:02AM GMT+1 Update
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@ -2,7 +2,14 @@
Welcome to my page! The goal of this project is to have a **fully non-destructive** upgrade path to [Klipper](https://www.klipper3d.org/), on a Bambu Lab P1S. This means replacing the existing electronics with open-source hardware. My project right now is in the works, but should be fully working hopefully soon. Stick around for updates. Welcome to my page! The goal of this project is to have a **fully non-destructive** upgrade path to [Klipper](https://www.klipper3d.org/), on a Bambu Lab P1S. This means replacing the existing electronics with open-source hardware. My project right now is in the works, but should be fully working hopefully soon. Stick around for updates.
# Updates as of 21/09/2024 22:49PM GMT+1 # Update as of 22/09/2024 07:02AM GMT+1
I have designed a custom PCB that will allow me to control almost everything. It allows use of all the stock fans in the rear minus the MCU cooling fan, as the 92mm chamber fan is going to be reused to cool off all the fancy new electronics more quietly.
It also adds support for dual auxilary cooling, either via adding another standard 120mm blower with a jst connector from the likes of GDStime, or using another official Bambu 120 blower. Be aware of the amperage here, some boards may not be able to handle more than 1A per fan connector. Bambu lab fans run off 0.5 amps, both will be controlled off a single JST XH2.54 connector. Not ideal I know, but thats the route I've chosen for how easy it is.
Will soon be testing out SSR functionality, just need to wait on these new PCB's to arrive which could take a week or two. Hopefully no longer than this.
# Update as of 21/09/2024 22:49PM GMT+1
Upon further inspection the SSR appears to be reusable, I need to probe the pins with my multimeter to find the controlling pins in their PicoBlade connector. Then I can wire those up to the new control board for controlling the AC bed. Upon further inspection the SSR appears to be reusable, I need to probe the pins with my multimeter to find the controlling pins in their PicoBlade connector. Then I can wire those up to the new control board for controlling the AC bed.
@ -10,4 +17,4 @@ Bed thermistor is confirmed as a NTC 100kΩ 3950. Can be configured as Generic 3
The piezo sensors appear to be reusable in some way, just need to figure out the wiring to them and then configure them as needed in klipper. The piezo sensors appear to be reusable in some way, just need to figure out the wiring to them and then configure them as needed in klipper.
I have designed a quick PCB from JLCPCB that can convert the stock PicoBlade connectors of the Chamber Exhaust fan, and Aux Cooling fan, to be easily converted to a JST connector. Just plug and play. Will test if it works once those arrive, these are ridding of the PWM control sadly, so I am unsure if they even work. Atleast not at their true full power. But I will test their functionality as soon as they arrive. ~~I have designed a quick PCB from JLCPCB that can convert the stock PicoBlade connectors of the Chamber Exhaust fan, and Aux Cooling fan, to be easily converted to a JST connector. Just plug and play. Will test if it works once those arrive, these are ridding of the PWM control sadly, so I am unsure if they even work. Atleast not at their true full power. But I will test their functionality as soon as they arrive.~~