Quantity   Component name
1 × Adafruit Trinket 3.3V proto board based on ATTiny85
1 × DS1307 RTC breakout board I2C real-time clock with local oscillator and battery
1 × Adafruit 14-segment x 4 LED backpack I2C display module with nice constant-current drivers
1 × PEC11-4215F-S24 rotary encoder quadrature encoder with detents and pushbutton
1 × breadboard Electronic Components / Misc. Electronic Components
1 × regulated 5v PSU
17 × hookup wire