Bambulab Smart Accessory Control Box

This is the V1 version of an accessory controller box I made for my Bambulab X1C. For a 12-24v input, it features up to 4 PWM-controlled outputs, controllable and automatable through smart home systems such as HomeAssistant. Example usages can be for dimming external lighting or controlling the fan speed of the fans inside a bentobox, and more!A full guide for the list of materials, setup, possible automations and integrations with my Bambulab to HomeAssistant flows can be found here: https://www.wolfwithsword.com/bambulabs-smart-control-box/ This V1 version will friction-fit perfectly for the buck converter, mosfet board and the barrel jack plugs. The d1 mini slot will require hot glue as I found not all d1 mini clones are exactly the same dimensions and not all even have holes for screws. I would recommend hot-glue regardless if you are soldering wires directly to the board as strain relief. Screws should be sized fine for M3's of 8-10mm, and the magnet holes on the bottom may or may