4 layers310 × 123 mm
2 layers
Threemouse
ratmuds/threemouse- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 28
- Nets
- 31
- Pads
- 126
- Tracks, vias
- 248, 53
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 22 Apr 2026
- Updated
- 27 Apr 2026
Overview
Threemouse is an open-source printed circuit board by ratmuds, from the ratmuds/threemouse repository on GitHub. It is a 2-layer board with 28 parts on 31 nets, routed with 248 tracks and 53 vias.
It is built around the TLE493DA2B6HTSA1, AP2112K-3.3 and TCA9544APW, with the 1N4148WT and BSS138 among its other parts. Its parts include 11 resistors, 7 ICs, 3 capacitors, 3 connectors and 2 switches. It belongs with the ESP32 boards of this library.
Main components
5
TLE493DA2B6HTSA1
SOT-23-6-40℃~+125℃ 12bit 2.8V~3.5V 3.4mA I2C ±160mT ±160mT SOT-23-6 3D Magnetic Sensors ROHSInfineon TechnologiesLinear Hall Sensors
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
TCA9544APW
TSSOP-20-40℃~+85℃ 1.65V~5.5V 10uA 1ns@50pF 2uA 7mA Level shifting、Hot-swap protection Single Supply TSSOP-20 Signal Switches, Multiplexers, Decoders ROHSTexas InstrumentsSignal Switches, Multiplexers, Decoders
1N4148WT
SOD-523-55℃~+150℃ 1.25V@150mA 100V 150mA 150mW 1uA@75V 2A 4ns Independent SOD-523 Switching Diodes ROHShongjiachengSwitching Diodes
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
README
PCB/README.md
Parts
28| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 4.7k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 |
| 4 | TLE493DA2B6HTSA1 | TLE493DA2B6HTSA1:PG-TSOP6-6-8_INF | U3, U4, U5, U6 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2 |
| 1 | 0.1uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3 |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 1N4148WT | Diode_SMD:D_SOD-523 | D1 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U7 |
| 1 | BSS138 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | Display | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J1 |
| 1 | Haptic Motor | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | LED Ring | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | Menu SW | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | SW2 |
| 1 | Radial SW | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | SW1 |
| 1 | TCA9544A | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U2 |
| 1 | XIAO-ESP32-S3-DIP | seeed_xiao:XIAO-ESP32-S3-DIP | U1 |
Questions
What parts does the Threemouse use?
28 parts, built around the TLE493DA2B6HTSA1, AP2112K-3.3, TCA9544APW and 1N4148WT. 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 Threemouse KiCad files?
From the ratmuds/threemouse repository on GitHub, at the commit this page was made from: the board is PCB/threemouse.kicad_pcb and its schematic PCB/threemouse.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Threemouse design in my own project?
Its repository states no licence, so its author keeps all rights: ask ratmuds before reusing the design.
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