Quantity   Component name
1 × NumiClock Micro Rev 1 simple BOM (updated) https://drive.google.com/file/d/0B49-e2fCiqckcGMxeGRURmNHY1U/view?usp=sharing
1 × ATMega168 (DigiKey# ATMEGA168A-MMH-ND) Probably using this micro or the ATMega88
1 × MCP73831 (DigiKey# MCP73831-2ATI/MC-ND) Single cell Lipo Charger
1 × DS1337 (DigiKey# DS1337U+-ND) Real time clock with calendar function.
1 × 74HC595 (DigiKey# 568-7713-1-ND) Serial in parallel out. (shift register)
1 × 850mAh Lipo https://www.sparkfun.com/products/341
1 × 330mF Super Cap (DigiKey# 604-1160-1-ND) Used to keep the RTC running. RTC requires less than 500nA to keep running
1 × LM20 Temp Sensor (DigiKey# LM20CIM7/NOPBCT-ND)
1 × .01uF 5% 0603 (Digi-key# 399-1092-1-ND)
1 × .1uF 5% 0402 (Digi-Key# 399-3521-1-ND)
4 × .01uF 5% 0402 (Digi-Key# 399-1279-1-ND)
2 × 4.7uF 20% 0603 (Digi-Key# 445-1417-1-ND)
2 × 12pF 5% 0603 (Digi-Key# 445-1270-1-ND) Crystal load caps
1 × led GRN (Digi-Key# 67-1553-1-ND) This part is optional and just a visual indicator of the lipo charging.
1 × 1n4148 Gen Diode (Digi-Key# 1N4148WTPMSCT-ND)
1 × TVS Diode (Digi-Key# MMBZ20VALT1GOSCT-ND) High voltage usb protection diode.
3 × Schottky Diode (Digi-Key# CUS08F30H3FCT-ND) used for diode OR'ing
1 × Micro USB AB con (Digi-Key# H11635CT-ND) usb charging / no serial through this con.
1 × .05mil ICSP header (Digi-Key# 609-3694-1-ND) Used for programming.
1 × 2 pin break away header. Used for Serial.
3 × 10K ohm 5% 0402 (Digi-Key# P10KJCT-ND)
2 × 4.7K I2C Pullups, 0402 (Digi-Key# P4.70KLCT-ND) required for I2C pullup.
2 × 47K ohm 5% 0402 (Digi-Key# RHM47KCECT-ND)
1 × 330 ohm 5% 0402 (Digi-Key# P3.30KLCT-ND)
1 × 1.24M 5% 0603 (Digi-Key# 311-4.7MGRCT-ND)
1 × 12K 5% 0603 (Digi-Key# P12KGCT-ND)
1 × 64.9K 1% 0603 (Digi-Key# 311-64.9HRCT-ND)
3 × Tact SPST NO switch (Digi-Key# 450-2146-1-ND) reset, user buttons.
1 × AutoSwitching Power MUX (Digi-Key# 296-16938-1-ND) used to switch between the libo and the Super cap.
1 × 8Mhz crystal (Digi-Key# 644-1178-1-ND) Optional, atmega has a 8Mhz internal crystal.
1 × 32.768Khz crystal (Digi-Key# 535-11899-1-ND) for DS1337.