2 layers347.7 × 146.6 mm
Mysterium pcb
coseyfannitutti/mysterium
TKL keyboard that can be entirely assembled using only through hole components, including usb type-c
227 parts541GPL-3.0
2 layers372.1 × 113.8 mm
M0116 usb
str-dst/m0116_usb34Drop-in replacement USB PCB for the Apple M0116 powered by QMK
- Size
- 372.1 × 113.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 186
- Nets
- 125
- Pads
- 419
- Tracks, vias
- 843, 4
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 26 May 2020
- Updated
- 12 Nov 2021
Overview
M0116 usb is an open-source printed circuit board by str-dst, from the str-dst/m0116_usb repository on GitHub. It is a 2-layer board of 372.1 × 113.8 mm with 186 parts on 125 nets, routed with 843 tracks and 4 vias.
It is built around the ATMEGA32A-PU. Its parts include 83 diodes, 5 capacitors, 4 resistors, 3 connectors and 1 IC. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
1README
README.mdm0116_usb
This project is completed and will not get updated anymore.
QMK compatible drop-in replacement PCB for the Apple M0116
The PCB is built entirely with THT parts to keep a somewhat "vintage" look to it and it uses the fullsize 40-pin DIP package ATmega32A. The controller is placed in the exact same location as the one on the original PCB meaning that it can be accessed through the plate cutout under the spacebar.
Partslist
| Count | Part |
|---|---|
| 1 | ATmega32A 40 pin DIP (32L works too) |
| 1 | 40 pin DIP socket (optional but highly recommended) |
| 1 | 2x3 pin header 2.54mm (for ISP flashing) |
| 1 | JST PH 2mm 4pin connector + cable |
| 1 | mini usb port |
| 1 | 500 mA polyfuse |
| 2 | 6mm momentary push buttons |
| 1 | 16 MHz quarz crystal |
| 1 | 4.7 uF electrolytic capacitor |
| 2 | 100 nF ceramic disk capacitor |
| 2 | 22 pF ceramic disk capacitor |
| 1 | 10 kΩ resistor |
| 2 | 68 Ω resistor |
| 1 | 1.5 kΩ resistor |
| 2 | 3.6 V zener diode (DO-35 BZX55C3V6) |
| 81 | universal switching diode (DO-35 1N4148) |
Some pictures of the first finished PCB
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Parts
186| Qty | Value | Footprint | References |
|---|---|---|---|
| 81 | D_Small | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25 +65 |
| 81 | MX-NoLED | Alps_Only:ALPS-1U | MX1, MX2, MX10, MX11, MX12, MX13, MX14, MX15, MX16, MX17, MX18, MX19, MX20, MX21, MX22, MX23 +65 |
| 2 | 0.1u | Capacitor_THT:C_Disc_D3.0mm_W2.0mm_P2.50mm | C2, C3 |
| 2 | 22p | Capacitor_THT:C_Disc_D6.0mm_W2.5mm_P5.00mm | C4, C5 |
| 2 | 3.6V | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2 |
| 2 | 68R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3, R4 |
| 1 | 1.5k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 1 | 4.7u | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C1 |
| 1 | 500mA | Fuse:Fuse_Littelfuse_395Series | F1 |
| 1 | ATmega32A-PU | Package_DIP:DIP-40_W15.24mm_Socket | U1 |
| 1 | AVR-ISP-6 | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Horizontal | J1 |
| 1 | Boot | Button_Switch_THT:SW_PUSH_6mm | Boot |
| 1 | Conn_01x04 | Connector_JST:JST_PH_S4B-PH-K_1x04_P2.00mm_Horizontal | J3 |
| 1 | Conn_01x04 | Connector_PinHeader_2.00mm:PinHeader_1x04_P2.00mm_Vertical | J2 |
| 1 | Crystal | Crystal:Crystal_HC49-4H_Vertical | XTAL1 |
| 1 | LOGO | custom_parts:oshw | G*** |
| 1 | LOGO | custom_parts:pear_x_elmo | G*** |
| 1 | LOGO | custom_parts:m0116_qr | G*** |
| 1 | LOGO | custom_parts:qmk | G*** |
| 1 | Reset | Button_Switch_THT:SW_PUSH_6mm | Reset |
| 1 | USB_B_Mini | random-keyboard-parts:Molex-0548190519 | USB1 |
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Questions
How big is the M0116 usb PCB?
It measures 372.1 × 113.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the M0116 usb use?
186 parts, built around the ATMEGA32A-PU. 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 M0116 usb KiCad files?
From the str-dst/m0116_usb repository on GitHub, at the commit this page was made from: the board is m0116_usb.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the M0116 usb design in my own project?
Its repository states no licence, so its author keeps all rights: ask str-dst before reusing the design.