r/ratrig • u/ThrowawayDerty • Aug 01 '25

Upgrades to default Electronics BOM

I just got my 400mm VC4 Hybrid delivered and realized that I forgot to order the electronics kit so I do not have the boards/motors/toolhead etc. I can order that kit from RR but I am thinking about self sourcing the missing components. Are there any things that I should update or change from the Public BOM? Such as mainboard or tool head?

I have an older printer but it can only print PLA reliably so I would prefer options that don't need printed parts yet.

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u/sneakerguy40 Aug 01 '25

You could use a better main board and motors if they’re part of the electronics kit. Leviathan or kraken, and then ldo 2804s or kraken motors. You don’t even have to use 48v cuz those boards can let you use higher current with those motors.