MegaDriveIGR
svirant·MegaDriveIGR·source/MD_IGR.kicad_pcb
About the MegaDriveIGR PCB
MegaDriveIGR is an open source PIC PCB design by svirant, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 15.6 × 20.3 mm, with 5 components from 5 distinct parts.
Its main chip is the C8226, from the PIC family. By type, the board carries 3 connectors, 1 IC and 1 capacitor.
From the project
QSB for using Borti4938's MD IGR (MegaDrive In Game Reset)
Original Repository: https://github.com/borti4938/SwitchlessSEGAMasterSystemMegaDrive/tree/master/MDIGR
Files provided to make your own via JLCPCB's PCBA service.

Main components on the MegaDriveIGR
MegaDriveIGR bill of materials (BOM)
5 components, 5 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | C8226 PIC12F629-xSN | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | DE9_Pins | DSUB-9 | J1 |
| 1 | Conn_01x05 | PinSocket_1x05_P2.54mm_Vertical | J2 |
| 1 | Conn_01x01 | PinSocket_1x01_P2.54mm_Vertical | J3 |
| 1 | C49678 C | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
MegaDriveIGR design files
The KiCad project lives in the svirant/MegaDriveIGR repository on GitHub; these links point at the commit this page was built from.
- Layoutsource/MD_IGR.kicad_pcb
- Schematicsource/MD_IGR.kicad_sch
- BOMJLCPCB/MD_IGR-bom.csv
MegaDriveIGR: common questions
What microcontroller does the MegaDriveIGR use?
The MegaDriveIGR is built around the C8226, from the PIC family.
How big is the MegaDriveIGR PCB?
The MegaDriveIGR measures 15.6 × 20.3 mm, has 2 copper layers and is 1 mm thick.
How many components are on the MegaDriveIGR?
5 components, from 5 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 MegaDriveIGR design files?
From the svirant/MegaDriveIGR repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the MegaDriveIGR design in my own project?
Yes, under the terms of its GPL-2.0 license, which svirant chose for the repository.
Can I test firmware for the MegaDriveIGR without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug PIC firmware against it before you order a PCB.
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