Spi master
About the Spi master PCB
Spi master is an open source PCB design by nrivard, published on GitHub under the MIT license. It is a 2-layer board measuring 76.2 × 43.2 mm, with 12 components from 12 distinct parts.
Other key parts include the 74LS08, 74LS393, 74HC04, 74LS139 and 74HC595. By type, the board carries 10 ICs, 1 connector and 1 resistor.
It belongs with the usb & debug tools designs in this gallery.
From the project
65C02 Microcomputer
The n8 Bit Microcomputer is a homebrew breadboard computer built around a WDC65C02 8-bit CPU. If you are looking for the software that runs on this computer, check out LmaOS.
The n8 Bit was originally a breadboard computer based on the Ben Eater series of 6502 videos but with some added capabilities including ACIA support, GAL-based address decoding logic, and a power chip for more reliable reset and power-on. Since then, PCBs have been printed and development around the computer is based on these.
Main components on the Spi master
Spi master bill of materials (BOM)
12 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 74LS08 | DIP-14_W7.62mm | U1 |
| 1 | 74LS393 | DIP-14_W7.62mm | U2 |
| 1 | 74HC04 | DIP-14_W7.62mm | U3 |
| 1 | 74LS139 | DIP-16_W7.62mm_Socket | U4 |
| 1 | 74HC595 | DIP-16_W7.62mm | U5 |
| 1 | 74HC165 | DIP-16_W7.62mm | U6 |
| 1 | 74HC74 | DIP-14_W7.62mm | U8 |
| 1 | 74LS153 | DIP-16_W7.62mm | U9 |
| 1 | 74HC273 | DIP-20_W7.62mm | U10 |
| 1 | 74HC245 | DIP-20_W7.62mm | U11 |
| 1 | n8 Bus Connector | PinHeader_2x16_P2.54mm_Horizontal | J1 |
| 1 | 20K | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R1 |
Spi master design files
The KiCad project lives in the nrivard/n8-Bit repository on GitHub; these links point at the commit this page was built from.
Spi master: common questions
How big is the Spi master PCB?
The Spi master measures 76.2 × 43.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Spi master?
12 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the Spi master design files?
From the nrivard/n8-Bit repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Spi master design in my own project?
Yes, under the terms of its MIT license, which nrivard chose for the repository.
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