2 layers228.4 × 85 mm
LeChiffre
tominabox1/Le-Chiffre-Keyboard
Great thanks goes to Jake at P3D for really making the case amazing and open sourcing his work. Check him out at P3Dstore.com
105 parts183GPL-3.0
2 layers30.5 × 42.2 mm
3bpV2Plus RevB
zaxour/TripleBypassV2Plus81Variant of Tian Feng's Triple Bypass V2 with fixes and functionality added
- Size
- 30.5 × 42.2 mm
- Copper layers
- 2
- Thickness
- 0.83 mm
- Parts
- 105
- Nets
- 65
- Pads
- 209
- Tracks, vias
- 428, 33
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 14 Oct 2022
- Updated
- 20 Apr 2025
Overview
3bpV2Plus RevB is an open-source printed circuit board by zaxour, from the zaxour/TripleBypassV2Plus repository on GitHub. It is a 2-layer board of 30.5 × 42.2 mm with 105 parts on 65 nets, routed with 428 tracks and 33 vias.
Its parts include 43 resistors, 21 capacitors, 4 connectors, 2 ICs and 1 diode.
README
README.mdTriple Bypass V2 Plus
My variant of Tian Feng's Triple Bypass V2, integrating pull up resistors and headphone restoration capability for Model 1 installs, as well as composite video restoration capability for all models.
All Genesis/Mega Drive revision instructions are linked below:
Model 1 Installation Guides
Model 2 Installation Guides
Model 3 Installation Guides
Sega CDX
Parts
105| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | SMD_Conn_01x01 | MyLibrary:SolderWirePad_1x01_SMD_1x2mm | B1, CL1, CR1, G1, GND1, J11, J12, P1, R1, S1, UNK5V1, XL1, XR1, YL1, YR1 |
| 13 | SolderJumper_2_Open | MyLibrary:SolderJumper-2 | B_1, C1, E1, F1, J4, LPF1, M1PU1, YL2, YL3, YL4, YR2, YR3, YR4 |
| 8 | 5.62k | Resistor_SMD:R_0603_1608Metric | R3, R4, R5, R12, R13, R14, R15, R34 |
| 6 | 0.1u | Capacitor_SMD:C_0603_1608Metric | C10, C11, C12, C13, C18, C20 |
| 6 | 1u | Capacitor_SMD:C_0603_1608Metric | C4, C5, C6, C7, C8, C9 |
| 6 | 210k | Resistor_SMD:R_0603_1608Metric | R18, R19, R20, R21, R22, R23 |
| 5 | 75 | Resistor_SMD:R_0603_1608Metric | R6, R7, R10, R11, R37 |
| 5 | LOGO | LOGO | G***, G***, G***, G***, G*** |
| 4 | 100k | Resistor_SMD:R_0603_1608Metric | R25, R28, R41, R42 |
| 4 | 10k | Resistor_SMD:R_0603_1608Metric | R24, R27, R38, R39 |
| 4 | 1k | Resistor_SMD:R_0603_1608Metric | R16, R17, R30, R31 |
| 3 | 511 | Resistor_SMD:R_0603_1608Metric | R40, R43, R44 |
| 3 | SMD_Conn_01x01 | Connector_Wire:SolderWirePad_1x01_SMD_1x2mm | J1, J2, J3 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric | C2, C3 |
| 2 | 10u | Capacitor_SMD:C_1206_3216Metric | C19, C21 |
| 2 | 130k | Resistor_SMD:R_0603_1608Metric | R26, R29 |
| 2 | 150p | Capacitor_SMD:C_0603_1608Metric | C14, C15 |
| 2 | 2.2k | Resistor_SMD:R_0603_1608Metric | R2, R9 |
| 2 | 300k | Resistor_SMD:R_0603_1608Metric | R32, R33 |
| 2 | 330 | Resistor_SMD:R_0603_1608Metric | R35, R36 |
| 2 | 47u | Capacitor_Tantalum_SMD:CP_EIA-3528-15_AVX-H | C16, C17 |
| 1 | 220u | Capacitor_Tantalum_SMD:CP_EIA-3528-15_AVX-H | C22 |
| 1 | 750 | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | MD-90SM_MD2 | MyLibrary:MD90SM-MD2 | CN1 |
| 1 | SolderJumper_3_Open | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | D1 |
| 1 | THS7374IPWR | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | IC1 |
| 1 | TL972 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | IC2 |
The 104 most common of 105 parts.
Questions
How big is the 3bpV2Plus RevB PCB?
It measures 30.5 × 42.2 mm and has 2 copper layers, 0.83 mm thick.
What parts does the 3bpV2Plus RevB use?
105 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 3bpV2Plus RevB KiCad files?
From the zaxour/TripleBypassV2Plus repository on GitHub, at the commit this page was made from: the board is 3bpV2Plus_RevB.kicad_pcb and its schematic 3bpV2Plus_RevB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 3bpV2Plus RevB design in my own project?
Its repository states no licence, so its author keeps all rights: ask zaxour before reusing the design.
Similar boards
- 2 layers27.9 × 101.6 mm
MFOS Eight Stage Phase Shifter - Main
mzuelch/CATs-Eurosynth
Analog Synth Eurorack Modules
105 parts166MIT - 2 layers146.1 × 118.8 mm
Apiaster
nmunnich/apiaster
Apiaster is a 50 key keyboard designed to be cheap, adjustable, and upgradeable.
105 parts118 - 2 layers63 × 81 mm
EspLora
BerkeleyHCI/PolymorphicBlocks
A Python-based hardware description language for PCBs for higher-level (block-diagram / system-architecture level) PCB design through libraries of directly reusable subcircuit generators.
105 parts94BSD-3-Clause - 2 layers70.5 × 100.2 mm
AS3397 proto SMS
PhysicsDptAngers/polyUAnalog
Open source, analog and polyphonic synthesizer
105 parts88MIT - 2 layers265.6 × 436 mm
Ahokore
dezlidezlidezli/ahokore
Ahokore is a 36-key one-piece split keyboard, with full wireless functionality.
105 parts84 - 2 layers248.3 × 99.8 mm
- 2 layers142.4 × 110.5 mm
