Quantity   Component name
1 × Attiny45 (or 85 - maybe better for experimenting) Microprocessors, Microcontrollers, DSPs / ARM, RISC-Based Microcontrollers
2 × 68Ohm Resistor 1206 Package
2 × 3.6V Zener diode in sod80 package Later I will make one for sot23 package (I have thousands of those...)
1 × 330Ohm Resistor 1206 Package
1 × 1.5k Resistor 1206 Package
1 × LED 1206 Package (pick a color you like :D) Fiber Optics / Emitters
1 × micro-USB socket
1 × 6pin pinheader 90° 0.1" pitch