2 layers207.8 × 57.2 mm
2 layers119.3 × 119.3 mm
Samd21pad
petejohanson/samd21pad7Simple wired ZMK macropad
- Size
- 119.3 × 119.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 46
- Nets
- 37
- Pads
- 213
- Tracks, vias
- 191, 18
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 5 Jul 2023
- Updated
- 26 Aug 2024
Overview
Samd21pad is an open-source printed circuit board by petejohanson, from the petejohanson/samd21pad repository on GitHub, published under the CERN-OHL-W-2.0 licence. It is a 2-layer board of 119.3 × 119.3 mm with 46 parts on 37 nets, routed with 191 tracks and 18 vias.
It is built around the ATSAMD21E17D-AU, AP2112K-3.3 and SMTSO2040CTJ, with the SKQGAKE020 among its other parts. Its parts include 10 switches, 3 capacitors, 3 resistors, 2 ICs and 2 connectors. It belongs with the keyboards and input boards and the SAM D and SAM boards of this library.
Main components
4
ATSAMD21E17D-AU
TQFP-32(7x7)-40℃~+85℃ 1.62V~3.63V 10bit 128KB 12bit 16KB 26 32 Bit 48MHz ARM Cortex-M0+ Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorisedSMTSO2040CTJ
-M2X4 Tin plated - Patch round nut ROHSSinhooSMD Round Nut
SKQGAKE020
SMD-4P,5.2x5.2mm-40℃~+90℃ 1.5mm 100,000 cycles 12V 3.5N 5.2mm 5.2mm 50mA Round Button SPST-NO Surface Mount,Vertical SMD-4P,5.2x5.2mm Tactile Switches ROHSALPSALPINETactile Switches
README
README.mdsamd21pad
ToDo
Parts
46| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | SW_Push | PCM_marbastlib-mx:SW_MX_1u | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9 |
| 4 | SMTSO2040 | samd21pad:MountingHole_M2_Pad_NonPTH_TopOnly | H1, H2, H3, H4 |
| 2 | 1nF | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 1 | 100nF | Capacitor_SMD:C_0805_2012Metric | C2 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric | R3 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | ATSAMD21E17D-A | Package_QFP:TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | Conn_ARM_SWD_TagConnect_TC2030-NL | Connector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical | J2 |
| 1 | SKQGAKE020 | Button_Switch_SMD:SW_SPST_SKQG_WithStem | SW10 |
| 1 | USB_C_Receptacle_USB2.0 | samd21pad:USB_C_Receptacle_GT-USB-7010 | J1 |
The 24 most common of 46 parts.
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Questions
How big is the Samd21pad PCB?
It measures 119.3 × 119.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Samd21pad use?
46 parts, built around the ATSAMD21E17D-AU, AP2112K-3.3, SMTSO2040CTJ and SKQGAKE020. 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 Samd21pad KiCad files?
From the petejohanson/samd21pad repository on GitHub, at the commit this page was made from: the board is samd21pad.kicad_pcb and its schematic samd21pad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Samd21pad design in my own project?
Its repository publishes it under the CERN-OHL-W-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).