Fric10key
sago35·tinygo-keyboard·kicad/fric10key/fric10key/fric10key.kicad_pcb
About the Fric10key PCB
Fric10key is an open source PCB design by sago35, published on GitHub under the MIT license. It is a 2-layer board measuring 77 × 140 mm, with 55 components from 5 distinct parts.
Other key parts include the 102010388. By type, the board carries 27 switches, 27 diodes and 1 IC.
It belongs with the keyboards designs in this gallery.
From the project
USB HID keyboard firmware for tinygo
key input squared matrix scan matrix scan duplex-matrix scan rotary encoder GPIO UART Shifter (tinygo.org/x/drivers/shifter) layer feature by mod key mouse click / mouse wheel support TRRS (UART) support Vial Keymap Layers (MO(x), TO(x)) Matrix testers Macros Mod-Tap Modifier Keys * Combos
The following microcontrollers are supported.
Create Your Own Keyboard with sago35/tinygo-keyboard (dev.to) 自作キーボードをTinyGoで作る (Qiita, Japanese)

Main components on the Fric10key
Fric10key bill of materials (BOM)
55 components, 5 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 102010388 | xiao-wide | U1 |
| 26 | SW_PUSH | CherryMX_ChocV2_1u | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +18 |
| 1 | SW_PUSH | CherryMX_ChocV2_1u_with_2u_stabilizer | SW24 |
| 16 | 1N4148 1N4448 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
| 11 | 1N4448 | D_DO-35_SOD27_P7.62mm_Horizontal | D17, D18, D19, D20, D21, D22, D23, D24 +3 |
Fric10key design files
The KiCad project lives in the sago35/tinygo-keyboard repository on GitHub; these links point at the commit this page was built from.
Fric10key: common questions
How big is the Fric10key PCB?
The Fric10key measures 77 × 140 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Fric10key?
55 components, from 5 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 Fric10key design files?
From the sago35/tinygo-keyboard 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 Fric10key design in my own project?
Yes, under the terms of its MIT license, which sago35 chose for the repository.
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