2 layers342.9 × 109.6 mm
2 layers57.1 × 75.5 mm
Typing check board
bbrfkr/typing-check-macropad- Size
- 57.1 × 75.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 44
- Nets
- 58
- Pads
- 248
- Tracks, vias
- 511, 82
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 13 Oct 2024
- Updated
- 6 Nov 2024
Overview
Typing check board is an open-source printed circuit board by bbrfkr, from the bbrfkr/typing-check-macropad repository on GitHub. It is a 2-layer board of 57.1 × 75.5 mm with 44 parts on 58 nets, routed with 511 tracks and 82 vias.
It is built around the ATMEGA32U4-MU, ESD5Z5V0 and SMD0805-050-16V, with the TPD4E05U06DQAR and TS-1187A-B-A-B among its other parts. Its parts include 9 diodes, 9 switches, 7 capacitors, 6 resistors and 2 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
5
ATMEGA32U4-MU
VQFN-44-EP(7x7)-40℃~+85℃ 10bit 16MHz 1KB 2.5KB 2.7V~5.5V 26 32KB 8 Bit AVR Built-in FLASH VQFN-44-EP(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
ESD5Z5V0
SOD-523-55℃~+150℃ 1 105W 15V 5V 6.2V 7A 80nA 80pF ESD IEC 61000-4-2 Unidirectional SOD-523 ESD and Surge Protection (TVS/ESD) ROHSMDDESD And Surge Protection (TVS/ESD)
SMD0805-050-16V
0805-40℃~+85℃ 100A 150mΩ 16V 1A 500mA 500mW 850mΩ 8s 0805 Resettable Fuses ROHSTECHFUSEResettable Fuses
TPD4E05U06DQAR
USON-10-40℃~+125℃ 0.5pF 10nA 14V 2.5A@8/20us 40W@8/20us 5.5V 6.5V ESD Four channels IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 Unidirectional USON-10(1x2.5) ESD and Surge Protection (TVS/ESD) ROHSTexas InstrumentsESD Protection Devices
TS-1187A-B-A-B
SMD-4P,5.1x5.1mm-30℃~+85℃ 1.5mm 1.6N 100,000 cycles 12V 5.1mm 5.1mm 50mA Gold No Round Button SPST Surface Mount,Vertical Without Bracket SMD-4P,5.1x5.1mm Tactile Switches ROHSXKB ConnectionTactile Switches
Parts
44| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | D | random-keyboard-parts:D_SOD-123-Pretty | D00_1, D00_2, D00_3, D01_1, D01_2, D01_3, D02_1, D02_2, D02_3 |
| 9 | SW_Push | MX_Only:MXOnly-1U-Hotswap | SW00_1, SW00_2, SW00_3, SW01_1, SW01_2, SW01_3, SW02_1, SW02_2, SW02_3 |
| 3 | 0.1μF | Capacitor_SMD:C_1206_3216Metric | C5, C6, C7 |
| 2 | 10k | Resistor_SMD:R_1206_3216Metric | R4, R5 |
| 2 | 22 | Resistor_SMD:R_1206_3216Metric | R2, R3 |
| 2 | 22pF | Capacitor_SMD:C_1206_3216Metric | C1, C2 |
| 2 | 5.1k | Resistor_SMD:R_1206_3216Metric | R6, R7 |
| 2 | Conn_01x05_Pin | Connector_JST:JST_PH_S5B-PH-K_1x05_P2.00mm_Horizontal | J1, JD2 |
| 2 | bites | mousebites:mousebites | bite01, bite02 |
| 1 | 10μF | Capacitor_SMD:C_1206_3216Metric | C8 |
| 1 | 16Mhz | X322516MLB4SI:OSC-SMD_4P-L3.2-W2.5-BL | Y1 |
| 1 | 1M | Resistor_SMD:R_1206_3216Metric | RD1 |
| 1 | 1μF | Capacitor_SMD:C_1206_3216Metric | C3 |
| 1 | 4.7μF | Capacitor_SMD:C_1206_3216Metric | CD4 |
| 1 | ATmega32U4-M | Package_DFN_QFN:QFN-44-1EP_7x7mm_P0.5mm_EP5.2x5.2mm | U1 |
| 1 | ESD5Z5V0 | Diode_SMD:D_SOD-523 | DD1 |
| 1 | SMD0805-050-16V | Fuse:Fuse_1206_3216Metric | FD1 |
| 1 | TPD4E05U06DQAR | TPD4E05U06DQAR:USON-10_L2.5-W1.0-P0.50-BL | UD1 |
| 1 | TS-1187A-B-A-B | TS-1187A-B-A-B:SW_TS-1187A-B-A-B | RESET_SW1 |
| 1 | USB_C_Receptacle_USB2.0 | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | JD1 |
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Questions
How big is the Typing check board PCB?
It measures 57.1 × 75.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Typing check board use?
44 parts, built around the ATMEGA32U4-MU, ESD5Z5V0, SMD0805-050-16V and TPD4E05U06DQAR. 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 Typing check board KiCad files?
From the bbrfkr/typing-check-macropad repository on GitHub, at the commit this page was made from: the board is typing-check-board.kicad_pcb and its schematic plate/plate.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Typing check board design in my own project?
Its repository states no licence, so its author keeps all rights: ask bbrfkr before reusing the design.