Keyboard
About the Keyboard PCB
Keyboard is an open source PCB design by Noah1989, published on GitHub under the MIT license. It is a 2-layer board measuring 160 × 100 mm, with 39 components from 14 distinct parts.
Other key parts include the Z84C4010PEG, 74AC688 and 74AC14. By type, the board carries 16 resistors, 6 transistors, 5 capacitors, 4 ICs, 3 connectors and 2 jumpers.
It belongs with the keyboards designs in this gallery.
From the project
An 8-bit microcomputer for the 21st century
- ... independent: - contains all the tools required to design another version of itself - does not require high soldering skills, uses through-hole parts only - uses only "evergreen" parts that have been in production for decades and are still made today
- ... aproachable: - simple through reduction - NO hidden complexity behind brittle abstractions - open source and self-documenting
Main components on the Keyboard
Keyboard bill of materials (BOM)
39 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Z84C4010PEG | DIP-40_W15.24mm_Socket_LongPads | U1 |
| 1 | 74AC688 | DIP-20_W7.62mm_Socket_LongPads | U2 |
| 2 | 74AC14 | DIP-14_W7.62mm_Socket_LongPads | U3, U4 |
| 2 | ZVP3306A | TO-92_Wide | Q1, Q4 |
| 4 | BC547C | TO-92_Wide | Q2, Q3, Q5, Q6 |
| 2 | Mini-DIN-6 | Mini_DIN_6 | J1, J2 |
| 1 | C96ABC | Socket_DIN41612-CaseC1-full-Male-96Pin-3rows | J3 |
| 2 | Jumper_NO_Small | PinHeader_1x02_P2.54mm_Vertical | JP1, JP2 |
| 1 | SW_Coded_SH-7050 | Nidec_Copal_SH-7010C | SW1 |
| 2 | BAT46 | D_DO-35_SOD27_P10.16mm_Horizontal | D1, D2 |
| 4 | 100nF | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C1, C2, C3, C4 |
| 1 | CP | CP_Radial_D5.0mm_P2.00mm | C5 |
| 8 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8 |
| 8 | 4.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9, R10, R11, R12, R13, R14, R15, R16 |
Keyboard design files
The KiCad project lives in the Noah1989/loopmicro repository on GitHub; these links point at the commit this page was built from.
Keyboard: common questions
How big is the Keyboard PCB?
The Keyboard measures 160 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Keyboard?
39 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the Keyboard design files?
From the Noah1989/loopmicro repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Keyboard design in my own project?
Yes, under the terms of its MIT license, which Noah1989 chose for the repository.
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