4 layers103 × 82.4 mm
2 layers55.4 × 33 mm
Wasd code upgrade
cbiffle/keybrain82Drop-in replacement controller for WASD CODE v2B keyboard
- Size
- 55.4 × 33 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 24
- Nets
- 60
- Pads
- 174
- Tracks, vias
- 513, 62
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 21 Aug 2020
- Updated
- 10 Jun 2024
Overview
Wasd code upgrade is an open-source printed circuit board by cbiffle, from the cbiffle/keybrain repository on GitHub. It is a 2-layer board of 55.4 × 33 mm with 24 parts on 60 nets, routed with 513 tracks and 62 vias.
It is built around the MIC5205-3.3YM5, ZXTN08400BFFTA and ZXTP25020CFFTA. Its parts include 8 capacitors, 5 resistors, 3 ICs, 3 connectors and 2 transistors. It belongs with the STM32 boards of this library.
Main components
3
MIC5205-3.3YM5
SOT-23-5-40℃~+85℃@(Ta) 1 150mA 200mV@(50mA) 20V 2uA 3.3V 70dB@(1kHz) Fixed Over Current Protection、Over Temperature Protection Positive SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTECH PUBLICVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
ZXTN08400BFFTA
SOT-23F-55℃~+150℃ 1 NPN 1.5W 100 175mV 400V 40MHz 500mA 50nA 7V NPN SOT-23F Bipolar (BJT) ROHSDiodes IncorporatedBipolar (BJT)
ZXTP25020CFFTA
SOT-23F-55℃~+150℃ 1.96W 200 20V 285MHz 4.5A 50nA 7V PNP SOT-23F Bipolar (BJT) ROHSDiodes IncorporatedBipolar Transistors - BJT
Parts
24| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 0µ1 | Capacitor_SMD:C_0603_1608Metric | C101, C102, C103, C104, C106 |
| 2 | 180 | Resistor_SMD:R_0603_1608Metric | R103, R104 |
| 2 | 1k | Resistor_SMD:R_0603_1608Metric | R101, R102 |
| 2 | Molex0877582416 | Connector_PinHeader_2.00mm:PinHeader_2x12_P2.00mm_Vertical | H201, H202 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R105 |
| 1 | 10µ | Capacitor_SMD:C_0603_1608Metric | C107 |
| 1 | 2µ2 tant | Capacitor_SMD:C_0603_1608Metric | C109 |
| 1 | 470p | Capacitor_SMD:C_0603_1608Metric | C108 |
| 1 | Conn_ARM_JTAG_SWD_10 | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical_SMD | J101 |
| 1 | MIC5205-3.3YM5 | Package_TO_SOT_SMD:SOT-23-5 | U102 |
| 1 | OLED | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical_SMD_Pin1Left | J103 |
| 1 | STM32L422CBTx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U101 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP101 |
| 1 | TC2030 | Connector:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical | J102 |
| 1 | TC74VHC238F | vssop:VSSOP-16_3.0x4.25mm_P0.5mm | U103 |
| 1 | ZXTN08400BFF | Package_TO_SOT_SMD:SOT-23 | Q101 |
| 1 | ZXTP25020CFFTA | Package_TO_SOT_SMD:SOT-23 | Q102 |
Questions
How big is the Wasd code upgrade PCB?
It measures 55.4 × 33 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Wasd code upgrade use?
24 parts, built around the MIC5205-3.3YM5, ZXTN08400BFFTA and ZXTP25020CFFTA. 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 Wasd code upgrade KiCad files?
From the cbiffle/keybrain repository on GitHub, at the commit this page was made from: the board is wasd-code-upgrade.kicad_pcb and its schematic wasd-code-upgrade.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Wasd code upgrade design in my own project?
Its repository states no licence, so its author keeps all rights: ask cbiffle before reusing the design.
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