C64LED
rdoetjes·tuts·asm/c64/io_latch/schematic/C64LED.kicad_pcb
About the C64LED PCB
C64LED is an open source PCB design by rdoetjes, published on GitHub. It is a 2-layer board measuring 43.2 × 43.2 mm, with 16 components from 12 distinct parts.
Other key parts include the 74LS541 and L7805. By type, the board carries 4 resistors, 3 ICs, 3 capacitors, 2 connectors, 1 transistor and 1 diode.
From the project
Assembly of random tutorials, that can be referenced in videos and YT comments
In the underlying directories, you will find software I have written for training videos and other tutorials. Many of these videos are on https://www.youtube.com/channel/CallousCoder
Many different languages are covered, ranging from MUMPS (M) to modern day languages like Zig (which I adore) and Rust. All these tutorials are based around small (private) projects, that I either created purposely for videos or have been created for small private projects.

Main components on the C64LED
C64LED bill of materials (BOM)
16 components, 12 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 74LS541 | DIP-20_W7.62mm_Socket | U1, U2 |
| 1 | L7805 | TO-220-3_Vertical | U3 |
| 1 | BC547 | TO-92_Inline | Q1 |
| 1 | Conn_01x10_Male | PinHeader_1x10_P2.54mm_Vertical | J1 |
| 1 | Barrel_Jack | BarrelJack_CUI_PJ-063AH_Horizontal_CircularHoles | J2 |
| 2 | HDSP-4830_2 | HDSP-4830 | BAR1, BAR2 |
| 1 | GP0240 | D_DO-34_SOD68_P7.62mm_Horizontal | D1 |
| 1 | .1uF | C_Disc_D6.0mm_W2.5mm_P5.00mm | C1 |
| 2 | .1uF | C_Disc_D5.0mm_W2.5mm_P2.50mm | C2, C3 |
| 1 | 100K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1 |
| 1 | 1K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2 |
| 2 | R_Network08 | R_Array_SIP9 | RN1, RN2 |
C64LED design files
The KiCad project lives in the rdoetjes/tuts repository on GitHub; these links point at the commit this page was built from.
C64LED: common questions
How big is the C64LED PCB?
The C64LED measures 43.2 × 43.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the C64LED?
16 components, from 12 distinct parts. The full bill of materials is listed on this page.
Where can I download the C64LED design files?
From the rdoetjes/tuts repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the C64LED design in my own project?
The repository has no license, so all rights stay with rdoetjes. Use it as a reference, and ask the author before reusing the design.