petSD+ rev. 2.4 Bill of Materials last edit 2020-01-15 REFERENCE QTY VALUE ----------------------------------------------------------------------------- C1,C2 2 18 pF C3 - C11 9 100 nF C13 - C15 3 1 µF ceramic C16,C17 2 47 µF / 16V D1 1 LED 3mm RED D2 1 LED 3mm GRN D3 1 LED 3mm YEL D4,D5 2 BAT42 IC1 1 ATmega1284P IC2 1 75160P IC3 1 75161P IC4 1 74HCT125 (yes, HCT! don't use HC types) IC5 1 ATtiny25 IC6 1 74HC4050 IC7 1 MCP1702-3302 Socket for IC1 1 DIP40 Socket for IC2,IC3 2 DIP20 Socket for IC4 1 DIP16 Socket for IC5 1 DIP8 Socket for IC6 1 DIP14 J1 1 pin header 2x12 J2 1 SD slot 10067847 J3 1 C24HP, available from Jim Brain's Store [1] J4 1 IEC-DIN6 J5,J6 2 CONN_02X03 ISP J7,J8,J9 3 CONN_01X04 J7.1,J8.1 1 ChronoDot 2.0 DS3231 clock module, cheaply from eBay J7.1 1 CR1220 Battery for clock module J10 1 DC_JACK J11 1 20x04 HD44780 compatible LCD J11.1 2 Socket terminal strip 2.54mm straight 1x6 way J11.2 2 Pin header 2.54mm straight 1x6 way J11.3 4 Distance bolts 5mm M3 internal+external thread J11.4 4 Distance bolts 12mm M3 internal thread J11.5 4 M3 x 6 screws JP1 1 backlight jumper (only for some displays) L1,L2 2 10 µH, e.g. L-MICC 10µ Q1 1 BC 337-16 R1,R2,R3 3 330 R4,R5 2 1k R6,R7 2 4k7 R8 1 10k R9 1 2k2 R10 1 Rlcd (value depends on LCD), approx. 1-3 Ohm RR1 1 6 x 10k RR2 1 4 x 47k S1 1 Button PREV: TASTER 3301B S2 1 Button NEXT: TASTER 3301B S3 1 Button SEL: TASTER 3301B S4 1 Reset key: TASTER 3305B VR1 1 5k, PT 6-L 5,0K X1 1 16 MHz ----------------------------------------------------------------------------- [1] http://store.go4retro.com/ieee-488-connector/