Apple ii ps2-keyboard
About the Apple ii ps2-keyboard PCB
Apple ii ps2-keyboard is an open source AVR/Arduino PCB design by erikarn, published on GitHub. It is a 2-layer board measuring 63.2 × 51.3 mm, with 27 components from 14 distinct parts.
Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. By type, the board carries 15 resistors, 6 connectors, 3 diodes, 2 capacitors and 1 module.
It belongs with the keyboards designs in this gallery.
Main components on the Apple ii ps2-keyboard
Apple ii ps2-keyboard bill of materials (BOM)
27 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Arduino_Nano_v3.x | Arduino_Nano | A1 |
| 1 | PS/2 | PinHeader_1x07_P2.54mm_Vertical | J1 |
| 1 | apple-ii | DIP-16_W7.62mm_LongPads | J2 |
| 1 | SHIFT_KEY | PinHeader_1x01_P2.54mm_Vertical | J3 |
| 1 | EXP | PinHeader_1x08_P2.54mm_Vertical | J4 |
| 1 | EXP_PWR | PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | UART | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | 1N4001 | D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
| 2 | LED | LED_D3.0mm | D2, D3 |
| 1 | 100uF | CP_Radial_D5.0mm_P2.50mm | C1 |
| 1 | 0.1uF | C_Disc_D3.8mm_W2.6mm_P2.50mm | C2 |
| 1 | 4.7K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1 |
| 11 | 47 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2, R3, R4, R5, R6, R8, R9, R10 +3 |
| 3 | 1K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R7, R14, R15 |
Apple ii ps2-keyboard design files
The KiCad project lives in the erikarn/apple-ii-pcbs repository on GitHub; these links point at the commit this page was built from.
Apple ii ps2-keyboard: common questions
What microcontroller does the Apple ii ps2-keyboard use?
The Apple ii ps2-keyboard is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.
How big is the Apple ii ps2-keyboard PCB?
The Apple ii ps2-keyboard measures 63.2 × 51.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Apple ii ps2-keyboard?
27 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the Apple ii ps2-keyboard design files?
From the erikarn/apple-ii-pcbs repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Apple ii ps2-keyboard design in my own project?
The repository has no license, so all rights stay with erikarn. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Apple ii ps2-keyboard without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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