Dual 20K Volume Pot with on/off Switch

Double Sided Copper Prototype PCB Circuit...

ON/OFF button type switch 

TPA3110 XH-A232 30W+30W 2.0 Channel Digital Stereo Audio Power Amplifier Board DC 8-26V 3A C6-001

Blower Fan, 50x15mm, 5VDC used for fast cooling.

ESP32s Micro-controller

18PC4 M6 Bowden Connectors to secure PTFE tubing in Bowden-style extruder setups. This is a push-through connector used on Hot-End side. Please...