2 layers216 × 70.8 mm
Choc40
rainkeebs/Choc40
40% Low profile keyboard designed for Kailh 'Choc' v1 switches and MBK Extended keycaps.
98 parts15Unlicense
2 layers38.1 × 25.4 mm
Binarykb
bennettzug/binarykbsimple 2 key macropad with USB-C connector and hotswappable switches
- Size
- 38.1 × 25.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 36
- Pads
- 105
- Tracks, vias
- 216, 21
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 2 Apr 2020
- Updated
- 8 May 2022
Overview
Binarykb is an open-source printed circuit board by bennettzug, from the bennettzug/binarykb repository on GitHub, published under the MIT licence. It is a 2-layer board of 38.1 × 25.4 mm with 18 parts on 36 nets, routed with 216 tracks and 21 vias.
It is built around the ATMEGA32U2-MU and PRTR5V0U2X. Its parts include 5 resistors, 4 capacitors, 2 ICs, 1 switch and 1 crystal. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
2
ATMEGA32U2-MU
VQFN-32-EP(5x5)-40℃~+85℃ 16MHz 1KB 1KB 2.7V~5.5V 22 32KB 8 Bit AVR Built-in FLASH Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、External pin reset (NRST)、Built-in general-purpose timer VQFN-32-EP(5x5) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
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)
README
README.mdbinarykb
https://www.pcbway.com/project/shareproject/Two_Key_Keyboard.html
CURRENTLY BROKEN; DO NOT ORDER; MAY GET AROUND TO FIXING EVENTUALLY BUT IDK
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C2, C3 |
| 2 | 22 | Resistor_SMD:R_0603_1608Metric | R1, R2 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric | R4, R5 |
| 2 | MX-NoLED | MX_Only:MXOnly-1U-Hotswap | MX1, MX2 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 16 MHz | Crystal:CSTNE16M0V51Z000R0 | Y1 |
| 1 | 1uF | Capacitor_SMD:C_0603_1608Metric | C1 |
| 1 | 4.7uF | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | 500mA | Fuse:Fuse_0603_1608Metric | F1 |
| 1 | ATmega32U2-MU | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm | U1 |
| 1 | HRO-TYPE-C-31-M-12 | Type-C:HRO-TYPE-C-31-M-12 | USB1 |
| 1 | LOGO | binarykb:binarykblogoFP | G*** |
| 1 | PRTR5V0U2X | random-keyboard-parts:SOT143B | U2 |
| 1 | SW_PUSH | random-keyboard-parts:SKQG-1155865 | SW1 |
Questions
How big is the Binarykb PCB?
It measures 38.1 × 25.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Binarykb use?
18 parts, built around the ATMEGA32U2-MU 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 Binarykb KiCad files?
From the bennettzug/binarykb repository on GitHub, at the commit this page was made from: the board is PCB/binarykb.kicad_pcb and its schematic PCB/binarykb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Binarykb design in my own project?
Its repository publishes it under the MIT 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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