Quantity   Component name
1 × Ikea RUSCH clock, 1.99 Eur [check] The project is based on this
1 × hex inverter 74... , a few cents [check] oscillator, together with the quarz
1 × 32768Hz quarz, a few cents [check] time keeping
1 × cmos ne555, a few cents [check] clock divider (runs as monoflop)
1 × xkcd.com/now image, seperated outer + inner ring with gimp [check], printed out [do want color laser printer...]
1 × trimpot, 0.2 Eur [check] to adjust NE555 monoflop