

OSFRL
Open source FRL PCB
- Size
- 344 × 94.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 188
- Nets
- 118
- Pads
- 718
- Tracks, vias
- 1,190, 60
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 13 Feb 2023
- Updated
- 19 Feb 2023
Overview
OSFRL is an open-source printed circuit board by calliah333, from the calliah333/OSFRL repository on GitHub. It is a 2-layer board of 344 × 94.1 mm with 188 parts on 118 nets, routed with 1,190 tracks and 60 vias.
Its parts include 77 diodes, 73 switches, 9 capacitors, 3 resistors and 1 connector.
README
README.mdOSFRL
FRL PCB made with STM32F072 and Molex EZMate
Source PCB files provided in the PCB/ folder, with firmware source in the Firmware/ folder
These have been tested and are working

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Unported License.
Parts
188| Qty | Value | Footprint | References |
|---|---|---|---|
| 74 | 1N4148 | Sleep-Lib:D_SOD-123-EditSkilk | D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25 +58 |
| 6 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C3, C4, C5, C6, C7 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C8, C9 |
| 2 | 470 | Resistor_SMD:R_0402_1005Metric | R2, R3 |
| 2 | LED | kicad-mx:LED_MX_3mm | D1, D2 |
| 2 | MX_1u_V | kicad-mx:SW_MX_1u | SW61, SW63 |
| 2 | RST | Button_Switch_SMD:SW_SPST_SKQG_WithoutStem | SW1, SW2 |
| 1 | 10k | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 200 BKSP | kicad-mx:STAB_MX_P_2u | S1 |
| 1 | 225 Enter | kicad-mx:STAB_MX_P_2.25u | S3 |
| 1 | 225 LShift | kicad-mx:STAB_MX_P_2.25u | S4 |
| 1 | 275 Enter | kicad-mx:STAB_MX_P_2.75u | S5 |
| 1 | 4.7uF | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | 625 Space | kicad-mx:STAB_MX_P_6.25u | S6 |
| 1 | 700 Space | kicad-mx:STAB_MX_P_7u | S7 |
| 1 | ISO Enter | kicad-mx:STAB_MX_P_ISO_FLIPPED | S2 |
| 1 | JST | acheron_Connectors:MOLEX_781710004_MountingReliefs | J1 |
| 1 | LED | kicad-mx:LED_MX_3mm-FLIPPED | D3 |
| 1 | MX_1.25uLShift | kicad-mx:SW_MX_1.25u | SW55 |
| 1 | MX_1.25u_LAlt | kicad-mx:SW_MX_1.25u | SW77 |
| 1 | MX_1.25u_LCtrl | kicad-mx:SW_MX_1.25u | SW73 |
| 1 | MX_1.25u_LGui | kicad-mx:SW_MX_1.25u | SW74 |
| 1 | MX_1.25u_RAlt | kicad-mx:SW_MX_1.25u | SW80 |
| 1 | MX_1.25u_RCtl | kicad-mx:SW_MX_1.25u | SW85 |
| 1 | MX_1.25u_RGUI | kicad-mx:SW_MX_1.25u | SW83 |
| 1 | MX_1.25u_RMenu | kicad-mx:SW_MX_1.25u | SW81 |
| 1 | MX_1.5u_BSLS | kicad-mx:SW_MX_1.5u | SW35 |
| 1 | MX_1.5u_LAlt | kicad-mx:SW_MX_1.5u | SW76 |
| 1 | MX_1.5u_LCtrl | kicad-mx:SW_MX_1.5u | SW72 |
| 1 | MX_1.5u_RAlt | kicad-mx:SW_MX_1.5u | SW82 |
| 1 | MX_1.5u_RCtl | kicad-mx:SW_MX_1.5u | SW86 |
| 1 | MX_1.5u_Tab | kicad-mx:SW_MX_1.5u | SW22 |
| 1 | MX_1.75u_Caps | kicad-mx:SW_MX_1.75u | SW41 |
| 1 | MX_1.75u_RShift | kicad-mx:SW_MX_1.75u | SW68 |
| 1 | MX_1.75u_SteppedCaps | kicad-mx:SW_MX_1.75u_stp | SW40 |
| 1 | MX_1u_0 | kicad-mx:SW_MX_1u | SW13 |
| 1 | MX_1u_1 | kicad-mx:SW_MX_1u | SW4 |
| 1 | MX_1u_2 | kicad-mx:SW_MX_1u | SW5 |
| 1 | MX_1u_3 | kicad-mx:SW_MX_1u | SW6 |
| 1 | MX_1u_4 | kicad-mx:SW_MX_1u | SW7 |
| 1 | MX_1u_5 | kicad-mx:SW_MX_1u | SW8 |
| 1 | MX_1u_6 | kicad-mx:SW_MX_1u | SW9 |
| 1 | MX_1u_7 | kicad-mx:SW_MX_1u | SW10 |
| 1 | MX_1u_8 | kicad-mx:SW_MX_1u | SW11 |
| 1 | MX_1u_9 | kicad-mx:SW_MX_1u | SW12 |
| 1 | MX_1u_A | kicad-mx:SW_MX_1u | SW42 |
| 1 | MX_1u_Apos | kicad-mx:SW_MX_1u | SW52 |
| 1 | MX_1u_B | kicad-mx:SW_MX_1u | SW62 |
| 1 | MX_1u_C | kicad-mx:SW_MX_1u | SW60 |
| 1 | MX_1u_Comma | kicad-mx:SW_MX_1u | SW65 |
| 1 | MX_1u_D | kicad-mx:SW_MX_1u | SW44 |
| 1 | MX_1u_Down | kicad-mx:SW_MX_1u | SW88 |
| 1 | MX_1u_E | kicad-mx:SW_MX_1u | SW25 |
| 1 | MX_1u_Esc | kicad-mx:SW_MX_1u | SW3 |
| 1 | MX_1u_F | kicad-mx:SW_MX_1u | SW45 |
| 1 | MX_1u_G | kicad-mx:SW_MX_1u | SW46 |
| 1 | MX_1u_H | kicad-mx:SW_MX_1u | SW47 |
| 1 | MX_1u_I | kicad-mx:SW_MX_1u | SW30 |
| 1 | MX_1u_J | kicad-mx:SW_MX_1u | SW48 |
| 1 | MX_1u_K | kicad-mx:SW_MX_1u | SW49 |
| 1 | MX_1u_KP_2 | kicad-mx:SW_MX_1u | SW71 |
| 1 | MX_1u_KP_7 | kicad-mx:SW_MX_1u | SW37 |
| 1 | MX_1u_KP_8 | kicad-mx:SW_MX_1u | SW38 |
| 1 | MX_1u_KP_9 | kicad-mx:SW_MX_1u | SW39 |
| 1 | MX_1u_KP_Ast | kicad-mx:SW_MX_1u | SW21 |
| 1 | MX_1u_KP_Period | kicad-mx:SW_MX_1u | SW89 |
| 1 | MX_1u_KP_Slash | kicad-mx:SW_MX_1u | SW20 |
| 1 | MX_1u_L | kicad-mx:SW_MX_1u | SW50 |
| 1 | MX_1u_LBKSP | kicad-mx:SW_MX_1u | SW16 |
| 1 | MX_1u_LBracket | kicad-mx:SW_MX_1u | SW33 |
| 1 | MX_1u_LGui | kicad-mx:SW_MX_1u | SW75 |
| 1 | MX_1u_Left | kicad-mx:SW_MX_1u | SW87 |
| 1 | MX_1u_M | kicad-mx:SW_MX_1u | SW64 |
| 1 | MX_1u_Minus | kicad-mx:SW_MX_1u | SW14 |
| 1 | MX_1u_Mo1 | kicad-mx:SW_MX_1u | SW70 |
| 1 | MX_1u_NUBS | kicad-mx:SW_MX_1u | SW54 |
| 1 | MX_1u_NUHS | kicad-mx:SW_MX_1u | SW57 |
| 1 | MX_1u_NumLK | kicad-mx:SW_MX_1u | SW19 |
| 1 | MX_1u_O | kicad-mx:SW_MX_1u | SW31 |
| 1 | MX_1u_P | kicad-mx:SW_MX_1u | SW32 |
The 163 most common of 188 parts.
Questions
How big is the OSFRL PCB?
It measures 344 × 94.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OSFRL use?
188 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 OSFRL KiCad files?
From the calliah333/OSFRL repository on GitHub, at the commit this page was made from: the board is PCB/OSFRL.kicad_pcb and its schematic PCB/Matrix.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the OSFRL design in my own project?
Its repository states no licence, so its author keeps all rights: ask calliah333 before reusing the design.
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