BPS BOM
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Bill of Materials - BPS# of boards goal:500
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Total BOM Parts Cost:$13,363.78
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DescriptionMfg Part #PackageDefault SupplierSupplier On HandQty per boardTotal Qty NeededPrice per part at QtyTotal PriceNotesPart References
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Atmel AVR ATMEGA644ATMEGA644P-20AU44-TQFPDigiKey7,7161500$4.51200$2,256.00Also available at Newark, Mouser and Verical. Alternately, ATMEGA324P-20AU or ATMEGA164P-20AU are also acceptable
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LDO Voltage RegulatorSPX29150T-L-5-0/TRTO-263-3Future Electronics5001500$0.90000$450.00Also available at DigiKey, Verical, Arrow, and Mouser
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Display DriverAS1107WL24-SOICaustria microsystems2,38531500$2.95000$4,425.00Also available at Future Electronics, and DigiKey, but buying direct saves over a dollar each
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Battery (Li-Poly 2500mAh)JHY6529127Shenzhen Puchuangyuan Technology Co. Ltd1500$7.18000$3,590.00
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Capacitor Tantalum 10uF 10V 20%TCJA106M010R03001206DigiKey18,82921000$0.38745$387.45Used for Supply Filtering (Input and Output). Significantly cheaper in Quantities of 2000 ($0.274 per piece). ESR: 300mΩ
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Capacitor Ceramic 0.1UF 50V 10%GRM319R71H104KA01D1206DigiKey310,4393015000$0.01340$201.00Used for Power Input/Output filtering and Decoupling
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Capacitor Ceramic 4.7nF 50V 10%CC1206KRX7R9BB4721206DigiKey56,71742000$0.02525$50.50Used for QMatrix RY line capacitors
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Capacitor Ceramic 8PF 50VCC0805DRNPO9BN8R00805DigiKey7,41721000$0.01650$16.50Used for Crystal loading
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Resistor 1.0kΩ 1/4W 5%RC1206JR-071KL1206DigiKey195,000105000$0.00283$14.15Used for QMatrix X&Y line resistors
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Resistor 470K OHM 1/4W 5%RC1206JR-07470KL1206DigiKey53,90342000$0.00447$8.94Used for QMatrix RY line resistors
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Crystal 20 MHZ 8pFNX3225SA-20.000000MHZ1210DigiKey9,9001500$0.53762$268.81AVR Timing
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Switch Tactile SPST-NO 0.05A 15VTL3315NF160Q4.5mm x 4.5mmDigiKey88,0361500$0.15730$78.65AVR Reset
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Inductor 33UH 10%LB3218T330K1207DigiKey2,4401500$0.08526$42.63AVR Analog Reference Filtering
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Resistor 10kΩ 1/4W 5%RC1206JR-0710KL1206DigiKey1,436,01321000$0.00447$4.47Pull-up for Slave Select on AS1107 and for Reset on AVR
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LED Red DiffusedLH N974-KN-11206DigiKey586,4031500$0.05980$29.90Power Indicator
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LED Green DiffusedLG N971-KN-11206DigiKey123,6081500$0.07156$35.78Status Indicator
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PLCC-6 RGB LED5mm x 5mm4723500$0.06400$1,504.00LED Lighting
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