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STD IOBus - Cassette (88-ACR)
Profile：Cassette interface card for Altair 8800 Simulator I/O Bus
License: GPL 3.0
Project source: Cloned from 2SIO-ATMega
Description
For more information see [https://github.com/dhansel/Altair8800-IOBus](https://github.com/dhansel/Altair8800-IOBus)
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 22pF | C1,C2 | CERAMIC-2.54 | 2 |
| 2 | 100nF | C3,C4,C5,C6 | PKG-CERAMIC CAPACITOR 6X2 | 4 |
| 3 | 100nF | C7,C9 | CERAMIC-2.54 | 2 |
| 4 | 22nF | C8 | CERAMIC-2.54 | 1 |
| 5 | 30SVC4A | D1 | LED2-2.54-D3.0MM | 1 |
| 6 | CON_HEADER_1X03-PTH | J1,J2,J3,J4,J5,J6,J7 | M1X3 | 7 |
| 7 | Audio Out | J8 | AUDIO-TH_PJ324 | 1 |
| 8 | Audio In | J9 | AUDIO-TH_PJ324 | 1 |
| 9 | SBH11-PBPC-D13-RA-BK | P1 | SBH11-PBPC-D13-RA-BK | 1 |
| 10 | 47k | R1 | RTH025W | 1 |
| 11 | 2.2k | R2 | RTH025W | 1 |
| 12 | 1k | R3 | RTH025W | 1 |
| 13 | 1M | R4 | RTH025W | 1 |
| 14 | 100k | R5 | RTH025W | 1 |
| 15 | 10k | R6,R7,R8 | RTH025W | 3 |
| 16 | 150 | R9 | RTH025W | 1 |
| 17 | ATMEGA328P-PU | U1 | DIP-28_L34.6-W7.3-P2.54-LS10.2-BL | 1 |
| 18 | 74HC126 | U3 | DIP-14_L19.0-W7.0-P2.54-LS7.6-BL | 1 |
| 19 | CD4068BE | U4 | DIP14 | 1 |
| 20 | 8MHz | X1 | HC-49S | 1 |
| 21 | 74HC00 | U2 | DIP14 | 1 |
| 22 | 74HC04 | U5 | DIP14 | 1 |
| 23 | LM358 | U6 | DIP08 | 1 |
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