Calc123
About the Calc123 PCB
Calc123 is an open source PCB design by Magnu-Shaak, published on GitHub under the MIT license. It is a 2-layer board measuring 79.2 × 100 mm, with 34 components from 4 distinct parts.
Other key parts include the MOUDLE-SEEEDUINO-XIAO. By type, the board carries 16 switches, 16 diodes, 1 IC and 1 connector.
From the project
Making a Numpad accessory that also works as a stand-alone calculator!
Main components on the Calc123
Calc123 bill of materials (BOM)
34 components, 4 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MOUDLE-SEEEDUINO-XIAO | XIAO-Generic-Hybrid-14P-2.54-21X17.8MM | U1 |
| 1 | OLED (.91") | 0.91_inch_OLED | J1 |
| 16 | SW_Push | SW_Cherry_MX_1.00u_PCB(1) | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +8 |
| 16 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
Calc123 design files
The KiCad project lives in the Magnu-Shaak/Calc123 repository on GitHub; these links point at the commit this page was built from.
- LayoutPCB/NumPad.kicad_pcb
- SchematicPCB/NumPad.kicad_sch
- BOMBOM.csv
Calc123: common questions
How big is the Calc123 PCB?
The Calc123 measures 79.2 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Calc123?
34 components, from 4 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Calc123 design files?
From the Magnu-Shaak/Calc123 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Calc123 design in my own project?
Yes, under the terms of its MIT license, which Magnu-Shaak chose for the repository.