| 2 × LM2901DT quad comparator IC (SOIC-14) |
| 1 × LM4041DYM3-1.2-TR 1.225V shunt regulator (SOT-23) |
| 2 × BSS138 50V 220mA N-channel Mosfet (SOT-23) |
| 1 × Pure Green M3216/1206 LED (20mA, 200mCd) |
| 8 × Ultra-bright RED M3216/1206 SMD LED |
| 1 × MMBD352LT1 7V dual hot carrier mixer diode (SOT-23) |