Labels Milestones
BackSwitch with High Contact Reliability, Side-actuated Model, with Ground Terminal, without Boss Ultra-small-sized Tactile Switch for High-Density Mounting, 3.1mm height, https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf Surface Mount Fuse, 3 x 6mm drills Triple banana socket, footprint - 3 5mm LEDs -Consider: 1 simple on/off switch/button/knob/etc. PSU \+12V, -12V and ground needed, probably up to 1amp