Quantity   Component name
1 × ATTINY Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
1 × POLOLU POWER SWITCH https://www.pololu.com/category/121/pololu-power-switches
1 × Hammond Enclosure http://www.hammondmfg.com/dwg_SBVer.htm
2 × SeedStudio Mini Panel Meter http://www.digikey.ca/product-detail/en/114990166/1597-1239-ND/5487641
2 × Switched 1/4 Input Jacks
4 × 2.1mm Power Jacks
2 × USB Panel Mount Jacks
1 × Momentary Switch
1 × Dollar Store Powerbank