2 layers284.7 × 94.2 mm
2 layers226.5 × 75 mm
Gridiron
dededecline/Gridiron13Gridiron keyboard designed by me. All files for production are inside this repository.
- Size
- 226.5 × 75 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 159
- Nets
- 119
- Pads
- 784
- Tracks, vias
- 956, 136
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 16 Oct 2023
- Updated
- 18 Oct 2023
Overview
Gridiron is an open-source printed circuit board by dededecline, from the dededecline/Gridiron repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 226.5 × 75 mm with 159 parts on 119 nets, routed with 956 tracks and 136 vias.
It is built around the RP2040, SN74AHCT1G125DBV and W25Q128JVSIQ, with the PRTR5V0U2X and WS2812B-2020 among its other parts. Its parts include 61 diodes, 11 capacitors, 7 resistors, 6 switches and 5 ICs. It belongs with the keyboards and input boards and the RP2040 boards of this library.
Main components
5
RP2040
LQFN-56(7x7)12bit 133MHz 30 LQFN-56(7x7) Microcontrollers (MCU/MPU/SOC) ROHSRaspberry PiMicrocontrollers (MCU/MPU/SOC)
SN74AHCT1G125DBV
SOT-23-5-40℃~+125℃ 1 1 10uA 4.5V~5.5V 6.5ns@5V,15pF 74AHCT 8mA 8mA Output enable Tri-State Unidirectional SOT-23-5 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, Transceivers
W25Q128JVSIQ
SOIC-8-208mil-40℃~+85℃ 100,000 cycles 120ms@(32KB) 128Mbit 133MHz 1uA 2.7V~3.6V 20 Years 3ms Power-on reset、Hardware write protection、Software write protection、Write enable latch、Absolute write protection SPI SOIC-8-208mil NOR FLASH ROHSWinbondNOR FLASH
PRTR5V0U2X
SOT-143-55℃~+125℃ 0.3pF、0.8pF 100W 10V、15V 5V 6.5V 6A 80nA ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Three channels Unidirectional SOT-143 ESD and Surge Protection (TVS/ESD) ROHSTECH PUBLICESD And Surge Protection (TVS/ESD)
WS2812B-2020
SMD,2.2x2mm0.6mA 0.84mm 120us 160mcd 200mcd 2kHz 2mm 2mm 300ns 470.4nm 515.6nm 520mcd 5V 622.5nm 800Kbit/s Built-in power-on reset circuit、Built-in power-on reset circuit、Integrated intelligent reverse connection protection function Top-mount SMD,2.2x2mm RGB LEDs(Built-in IC) ROHSWorldsemiRGB LEDs(Built-In IC)
README
README.mdGridiron
Board Details
Hardware
Case Screws: 4x m2 pan/buttonhead 6mm
Plate Screws: 4x m2 pan/buttonhead 6mm
DISCLAIMER
These components have been tested and confirmed to work properly. I am not liable for any issues stemming from usage of these files. Order at your own risk. Support will not be provided, but pull requests will be reviewed and possibly accepted.
Parts
159| Qty | Value | Footprint | References |
|---|---|---|---|
| 50 | MX-NoLED | MX_Alps_Hybrid:MX-1U-NoLED | 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u, 1u/3u, 1u/3u, MX1, MX12 +34 |
| 48 | D_Small | Diode_SMD:D_SOD-123 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +32 |
| 13 | WS2812B-2020 | acheron_Components:LED_WS2812_2020 | D49, D50, D51, D52, D53, D54, D55, D56, D57, D58, D59, D60, D61 |
| 10 | .1u | Capacitor_SMD:C_0402_1005Metric | C3, C5, C6, C7, C8, C9, C10, C11, C12, C13 |
| 6 | MX-NoLED | MX_Alps_Hybrid:MX-1.5U-NoLED | 1.5u, 1.5u, 1.5u, 1.5u, 1.5u, 1.5u |
| 4 | 1u | Capacitor_SMD:C_0402_1005Metric | C_LDO1, C_LDO2, C1, C4 |
| 4 | RotaryEncoder_Switch | Rotary_Encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mm | SW1, SW2, SW3, SW4 |
| 3 | 1k | Resistor_SMD:R_0402_1005Metric | R3, R6, R7 |
| 3 | MX-NoLED | MX_Alps_Hybrid:MX-2U-ReversedStabilizers-NoLED | 1u, 2u, 2u |
| 2 | 27 | Resistor_SMD:R_0402_1005Metric | R4, R5 |
| 2 | 5k1 | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | MX-NoLED | cipulot_parts:MXOnly-3U-ReversedStabilizers-NoLED | MX24, MX40 |
| 1 | 10u | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | 500mA | Fuse:Fuse_0805_2012Metric | F1 |
| 1 | Boot | Button_Switch_SMD:SW_SPST_TL3342 | SW5 |
| 1 | HRO-TYPE-C-31-M-12 | cipulot_parts:HRO-TYPE-C-31-M-12-Assembly | USB1 |
| 1 | MountingHole | cipulot_parts:planck-pcb-module | H1 |
| 1 | PRTR5V0U2X | random-keyboard-parts:SOT143B | U2 |
| 1 | RP2040 | cipulot_parts:RP2040-QFN-56 | U3 |
| 1 | Reset | Button_Switch_SMD:SW_SPST_TL3342 | SW6 |
| 1 | Resonator_Small | Crystal:Resonator_SMD_Murata_CSTxExxV-3Pin_3.0x1.1mm | Y1 |
| 1 | SN74AHCT1G125 | Package_TO_SOT_SMD:SOT-23-5 | U5 |
| 1 | W25Q128JVS | Package_SO:SOIC-8_5.23x5.23mm_P1.27mm | U4 |
| 1 | XC6206PxxxMR | Package_TO_SOT_SMD:SOT-23 | U1 |
Questions
How big is the Gridiron PCB?
It measures 226.5 × 75 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Gridiron use?
159 parts, built around the RP2040, SN74AHCT1G125DBV, W25Q128JVSIQ and PRTR5V0U2X. 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 Gridiron KiCad files?
From the dededecline/Gridiron repository on GitHub, at the commit this page was made from: the board is pcb/Gridiron.kicad_pcb and its schematic pcb/Gridiron.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Gridiron design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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