2 layers43.8 × 31.8 mm
2 layers77.5 × 50.8 mm
Orl
0x007E/orlOR Logic Board
- Size
- 77.5 × 50.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 74
- Nets
- 42
- Pads
- 190
- Tracks, vias
- 144, 53
- Pours
- 10
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 24 Mar 2026
- Updated
- 12 May 2026
Overview
Orl is an open-source printed circuit board by 0x007E, from the 0x007E/orl repository on GitHub. It is a 2-layer board of 77.5 × 50.8 mm with 74 parts on 42 nets, routed with 144 tracks and 53 vias.
It is built around the BAT43 and BUK7880-55A-VB. Its parts include 33 connectors, 25 resistors, 3 capacitors, 2 ICs and 2 diodes.
Main components
2README
README.md
ORL - OR Logic Board
The ORL is a board with an CD4071 or any other 4-channel OR gate driver that meets the pin requirements. The board itself can be driven from 5 to 15V. The board offers the possibility to OR signals from buttons, switches or any other logic board.
| Experience | Level |
|---|---|
| Soldering |
Downloads
| Type | File | Description |
|---|---|---|
| Schematic | pdf / cadlab | Schematic files |
| Board | pdf / cadlab | Board file |
| Drill | Drill file | |
| PCB | zip / tar | KiCAD/Gerber/BoM/Drill files |
| Mechanical | zip / tar | FreeCAD/Housing and exported step/stl files |
Hardware
The pcb is created with KiCAD. All files are built with github actions so that they are ready for a production environment.
PCB
The circuit board is populated on both sides (Top, Bottom). The best way for soldering the SMD components is within a vapor phase soldering system and for the THT components with a standard soldering system.
Top Layer
Bottom Layer
Additional Information
| Type | Link | Description |
|---|---|---|
| CD4071 | CMOS OR Gate |
R. GAECHTER
Parts
74| Qty | Value | Footprint | References |
|---|---|---|---|
| 24 | Conn_01x02_Socket | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J10, J11, J12, J13, J14, J15, J16, J17, J18, J19, J20, J21, J22, J23, J24, J25 +8 |
| 16 | 10k | Resistor_SMD:R_1206_3216Metric | R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24 |
| 8 | 270 | Resistor_SMD:R_1206_3216Metric | R1, R2, R3, R4, R5, R6, R7, R8 |
| 6 | Conn_02x02_Counter_Clockwise | Connector_PinSocket_2.54mm:PinSocket_2x02_P2.54mm_Vertical | J4, J5, J6, J7, J8, J9 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad | H1, H2, H3, H4 |
| 2 | 100n | Capacitor_SMD:C_1206_3216Metric | C2, C3 |
| 2 | 4071 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1, U2 |
| 2 | Conn_01x10_Socket | Connector_PinSocket_2.54mm:PinSocket_1x10_P2.54mm_Vertical | J1, J3 |
| 1 | 10u | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C1 |
| 1 | 1k | Resistor_SMD:R_1206_3216Metric | R25 |
| 1 | BAT43 | Diode_SMD:D_MiniMELF | D1 |
| 1 | BUK7880-55A | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | Q1 |
| 1 | BZ5V1 | Diode_SMD:D_MiniMELF | D2 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | ESD | Symbol:ESD-Logo_6.6x6mm_SilkScreen | FID1 |
| 1 | OH | Symbol:OSHW-Logo_5.7x6mm_SilkScreen | FID3 |
| 1 | QR | Images:QR_0x007e | FID4 |
| 1 | Waste | Symbol:WEEE-Logo_4.2x6mm_SilkScreen | FID2 |
Questions
How big is the Orl PCB?
It measures 77.5 × 50.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Orl use?
74 parts, built around the BAT43 and BUK7880-55A-VB. 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 Orl KiCad files?
From the 0x007E/orl repository on GitHub, at the commit this page was made from: the board is pcb/ORL.kicad_pcb and its schematic pcb/ORL.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Orl design in my own project?
Its repository states no licence, so its author keeps all rights: ask 0x007E before reusing the design.
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