2 layers99.8 × 99.8 mm
2 layers99.8 × 99.8 mm
MECB KB
epaell/MECB6- Size
- 99.8 × 99.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 19
- Nets
- 95
- Pads
- 190
- Tracks, vias
- 380, 21
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 2 Jul 2024
- Updated
- 25 Oct 2026
Overview
MECB KB is an open-source printed circuit board by epaell, from the epaell/MECB repository on GitHub. It is a 2-layer board of 99.8 × 99.8 mm with 19 parts on 95 nets, routed with 380 tracks and 21 vias.
Its parts include 7 capacitors, 4 connectors and 3 ICs. It belongs with the FPGA and CPLD boards of this library.
README
SDCardShield/README.mdSDCardShield
A version of the SD Card shield that was originally developed by Corsham Technologies for the SWTPC. It has been modified to work with the MECB I/O board (PIA port) and makes use of Adafruit modules to implement the realtime clock:
https://core-electronics.com.au/adafruit-ds3231-precision-rtc-breakout.html
and microSD interface:
https://core-electronics.com.au/microsd-card-breakout-board.html
Parts
19| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 47pF | Capacitor_THT:C_Disc_D7.5mm_W5.0mm_P7.50mm | C4, C5, C6, C7 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | 0.1uF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C1, C2, C3 |
| 2 | PS2-MINIDIN6-FEMALE-SINGLE | Connector:MINI-DIN-6-FULL-SHIELD | J2, J3 |
| 1 | 74LS06 | Package_DIP:DIP-14_W7.62mm_Socket_LongPads | U3 |
| 1 | 8048 | Package_DIP:DIP-40_W15.24mm_Socket_LongPads | U2 |
| 1 | ATF16V8 | Package_DIP:DIP-20_W7.62mm_Socket_LongPads | U1 |
| 1 | Conn_02x06_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical | J4 |
| 1 | Jumper_2_Open | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | JP1 |
| 1 | MECB_64AC | MyCustomFootprintLibrary:DIN41612_C_2x32_C64AC_Male_Horizontal_THT | J1 |
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Questions
How big is the MECB KB PCB?
It measures 99.8 × 99.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MECB KB use?
19 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the MECB KB KiCad files?
From the epaell/MECB repository on GitHub, at the commit this page was made from: the board is MECB_KB/MECB_KB.kicad_pcb and its schematic 68008Tester/68008test.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the MECB KB design in my own project?
Its repository states no licence, so its author keeps all rights: ask epaell before reusing the design.