8-bit computer Keypad Module
About the 8-bit computer Keypad Module
8-bit computer Keypad Module is an open source PCB design by xrayer2000, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 100.3 × 95.3 mm, with 28 components from 11 distinct parts.
Other key parts include the 74HCT139, 74HCT04 and NE555D. By type, the board carries 17 switches, 6 capacitors, 3 ICs and 1 connector.
From the project
My 8-bit computer
This project is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).
You are free to: - Share (copy and redistribute the material in any medium or format) - Adapt (remix, transform, and build upon the material)
Under the conditions that: - You must give appropriate credit. - You may not use the material for commercial purposes.
Main components on the 8-bit computer Keypad Module
8-bit computer Keypad Module bill of materials (BOM)
28 components, 11 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74HCT139 | DIP-16_W7.62mm | U1 |
| 1 | 74HCT04 | DIP-14_W7.62mm | U2 |
| 1 | NE555D | DIP-8_W7.62mm | U3 |
| 1 | Conn_01x16_Pin | IDC-Header_2x08_P2.54mm_Vertical | J2 |
| 1 | 100k | Potentiometer_Bourns_3296W_Vertical | RV1 |
| 16 | CherryMX_LED | CherryMX_1.00u_LED | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +8 |
| 1 | SW_SPDT | hole for bistable switch | SW17 |
| 1 | 10uF | CP_Radial_D5.0mm_P2.00mm | C1 |
| 1 | 100nF | CP_Radial_D5.0mm_P2.00mm | C2 |
| 3 | 100nF | C_Disc_D3.0mm_W1.6mm_P2.50mm | C4, C5, C6 |
| 1 | 100uF | CP_Radial_D4.0mm_P1.50mm | C7 |
8-bit computer Keypad Module design files
The KiCad project lives in the xrayer2000/8-bit-computer-Documentation repository on GitHub; these links point at the commit this page was built from.
8-bit computer Keypad Module: common questions
How big is the 8-bit computer Keypad Module?
The 8-bit computer Keypad Module measures 100.3 × 95.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 8-bit computer Keypad Module?
28 components, from 11 distinct parts. The full bill of materials is listed on this page.
Where can I download the 8-bit computer Keypad Module design files?
From the xrayer2000/8-bit-computer-Documentation repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the 8-bit computer Keypad Module design in my own project?
It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.
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