Quantity   Component name
1 × ATTiny 85
1 × TM1637 7 segment display module [7 segment version only] http://www.ebay.de/itm/181883676610?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
2 × 10kΩ pull ups [OLED version only] for the I2C lines
1 × 0.96" OLED Display [OLED version only] http://www.ebay.de/itm/0-96-OLED-Display-I2C-IIC-TWI-128x64-Punkte-Anzeige-weis-Module-fur-Arduino-/171977395292?hash=item280aa6cc5c:g:mY8AAOSwPYZU8zad
1 × USB Type A Print Connector male
1 × USB Type A Print Connector female
1 × 0.1Ω 2512 Shunt
1 × SPDT Switch SMD http://www.ebay.de/itm/351335692783?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
4 × 10kΩ 0603 resistors
2 × 2kΩ 0603 resistors
2 × 100nF 0603 ceramic
1 × vertical tactile button