N: at86rf231 A: rf231 A: txrx D: http://www.atmel.com/dyn/resources/prod_documents/doc8111.pdf N: aptd1608sec A: led D: http://www.kingbrightusa.com/images/catalog/SPEC/APTD1608SEC-J3.pdf N: adxl321 A: accel D: http://www.analog.com/static/imported-files/data_sheets/ADXL321.pdf N: atmega168 A: mcu D: http://www.atmel.com/Images/doc7530.pdf # Johanson 2450FB15L0001 balun/filter N: 2450FB15L0001 A: balun3 D: http://www.johansontechnology.com/images/stories/ip/balun-filters/Balun_Filter_Combo_Matched_2450FB15L0001_v12.pdf N: aa D: http://data.energizer.com/PDFs/EN91.pdf N: bat D: http://www.memoryprotectiondevices.com/datasheets/BK-92-datasheet.pdf N: MMST3904 A: npn D: http://61.222.192.61/mccsemi/up_pdf/MMST3904(SOT-323).PDF