BE6502 Clock
About the BE6502 Clock PCB
BE6502 Clock is an open source PCB design by tebl, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 45.7 × 99.1 mm, with 29 components from 15 distinct parts.
Other key parts include the LM555, 74LS00 and 74LS08. By type, the board carries 8 capacitors, 7 resistors, 5 ICs, 4 modules, 2 switches and 1 connector.
It belongs with the dev boards & breakouts and retro computing designs in this gallery.
From the project
A PCB being made while watching Ben Eaters "Build a 6502 computer" video series. Includes the computer itself, a standalone slow clock and an Arduino Mega shield for the bus monitor sketch..
Ben Eater has been a huge inspiration for many getting into building computers using basic electronic building blocks, his videos are truly excellent and it is no wonder he's often referred to as the Bob Ross of Breadboards! His latest project is building a 6502 computer on a breadboard, a video series that I'm sure will also inspire a lot of new users to the art of building stuff with the 6502! Check out the main README for an overview of all the modules available to the BE6502 computer.
Main components on the BE6502 Clock
BE6502 Clock bill of materials (BOM)
29 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | LM555 | DIP-8_W7.62mm_Socket_LongPads | U1, U2, U3 |
| 1 | 74LS00 | DIP-14_W7.62mm_Socket_LongPads | U4 |
| 1 | 74LS08 | DIP-14_W7.62mm_Socket_LongPads | U5 |
| 4 | Mounting | 1pin | M1, M2, M3, M4 |
| 1 | CLOCK_SEL | Pin_Header_Angled_1x04_Pitch2.54mm | J1 |
| 1 | 1M | Potentiometer_Trimmer_Bourns_3296W | RV1 |
| 1 | MANUAL | SW_PUSH_6mm | SW1 |
| 1 | CLK_SEL | dpdt_switch | SW2 |
| 1 | BLUE | LED_D5.0mm | D1 |
| 3 | 10nF | C_Disc_D4.7mm_W2.5mm_P5.00mm | C1, C2, C5 |
| 4 | 100nF | C_Disc_D4.7mm_W2.5mm_P5.00mm | C3, C4, C7, C8 |
| 1 | 1uF | CP_Radial_D4.0mm_P2.00mm | C6 |
| 5 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R5, R6 |
| 1 | 1M | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 1 | 220 | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7 |
BE6502 Clock design files
The KiCad project lives in the tebl/BE6502-Build-a-65c02-computer repository on GitHub; these links point at the commit this page was built from.
BE6502 Clock: common questions
How big is the BE6502 Clock PCB?
The BE6502 Clock measures 45.7 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the BE6502 Clock?
29 components, from 15 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the BE6502 Clock design files?
From the tebl/BE6502-Build-a-65c02-computer repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the BE6502 Clock design in my own project?
Yes, under the terms of its CERN-OHL-1.2 license, which tebl chose for the repository.
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