2 layers56 × 58 mm/Spectrometer%20V1.0.kicad_pcb.jpg?size=s&soon)
4 layers52 × 52 mm
Servo Board
KyleMui/Portfolio- Size
- 52 × 52 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 111
- Nets
- 89
- Pads
- 416
- Tracks, vias
- 648, 267
- Pours
- 15
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 8 Nov 2025
- Updated
- 5 Jan 2026
Overview
Servo Board is an open-source printed circuit board by KyleMui, from the KyleMui/Portfolio repository on GitHub. It is a 4-layer board of 52 × 52 mm with 111 parts on 89 nets, routed with 648 tracks and 267 vias.
It is built around the STM32G431CBT6, TCAN1057AEVDRQ1 and PCA9685PW, with the AMS1117-3.3 and SVT2060LB_R2_00001 among its other parts. Its parts include 23 capacitors, 12 connectors, 11 resistors, 8 ICs and 6 diodes. It belongs with the robots and motor control boards and the STM32 boards of this library.
Main components
5
STM32G431CBT6
LQFP-48(7x7)-40℃~+85℃ 1.71V~3.6V 128KB 12bit 12bit 170MHz 32 Bit 32KB 38 ARM Cortex-M4F Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
TCAN1057AEVDRQ1
SOIC-8-40℃~+150℃ 2.1mA 4.5V~5.5V 80mA 8Mbps CAN FD Transceiver SOIC-8 CAN Transceivers ROHSTexas InstrumentsCAN Transceivers
PCA9685PW
TSSOP-28-40℃~+85℃ 100kHz~1MHz 16 2.3V~5.5V 25mA 5.5V Built-in PWM TSSOP-28 LED Drivers ROHSNXP SemiconductorsLED Drivers
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsSVT2060LB_R2_00001
TO-277B-55℃~+150℃ 1 Independent 20A 250uA@60V 300A 550mV@20A 60V TO-277B Schottky Diodes ROHSPANJIT InternationalSchottky Diodes
README
README.mdKyle Mui Portfolio
Parts
111| Qty | Value | Footprint | References |
|---|---|---|---|
| 17 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP3, TP4, TP5, TP6, TP7, TP8, TP10, TP11, TP12, TP14, TP15, TP16, TP17, TP18, TP19, TP20 +1 |
| 10 | 100n | Capacitor_SMD:C_0402_1005Metric | C2, C3, C4, C5, C6, C7, C11, C13, C20, Cvin1 |
| 5 | 47u | Capacitor_SMD:C_1206_3216Metric | COUT1, COUT2, COUT3, COUT4, COUT5 |
| 5 | GREEN | LED_SMD:LED_0603_1608Metric | D1, D3, D4, D5, D6 |
| 4 | 1k | Resistor_SMD:R_0402_1005Metric | R3, R4, R10, R11 |
| 4 | 1u | Capacitor_SMD:C_0402_1005Metric | C9, C10, C14, C15 |
| 4 | 4u7 | Capacitor_SMD:C_1206_3216Metric | CIN1, CIN2, CIN3, CIN4 |
| 4 | ~ | Servo_Board:Conn_03x4 | J6, J7, J8, J9 |
| 3 | 20k | Resistor_SMD:R_0402_1005Metric | RFB1, RPGOOD1, RRT1 |
| 3 | MountingHole | MountingHole:MountingHole_2.7mm_M2.5 | H1, H2, H3 |
| 2 | 0u1 | Capacitor_SMD:C_0402_1005Metric | C21, C22 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R1, R9 |
| 2 | 10u | Capacitor_SMD:C_0603_1608Metric | C1, C12 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric | C16, C18 |
| 2 | 2.2k | Resistor_SMD:R_0402_1005Metric | R6, R8 |
| 2 | 22u | Capacitor_SMD:C_0805_2012Metric | C17, C19 |
| 2 | 4.7k | Resistor_SMD:R_0402_1005Metric | R2, R5 |
| 2 | CSD18563Q5D | Package_TO_SOT_SMD:TDSON-8-1 | Q1, Q2 |
| 2 | Conn_01x02_Socket | Connector_AMASS:AMASS_XT30PW-M_1x02_P2.50mm_Horizontal | J5, J10 |
| 2 | Conn_01x03_Socket | Connector_JST:JST_PH_S3B-PH-SM4-TB_1x03-1MP_P2.00mm_Horizontal | J11, J12 |
| 1 | 0u1 | Capacitor_SMD:C_0603_1608Metric | CBoot1 |
| 1 | 1.5uH 3.3mOhm | Servo_Board:IND_AMDLA1306Q-101M | L1 |
| 1 | 10n | Capacitor_SMD:C_0402_1005Metric | C8 |
| 1 | 11.3k | Resistor_SMD:R_0402_1005Metric | RC1 |
| 1 | 120R | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | 12p | Capacitor_SMD:C_0402_1005Metric | Cilim1 |
| 1 | 1m | Resistor_SMD:R_1206_3216Metric | R7 |
| 1 | 2.1Ohm | Resistor_SMD:R_0402_1005Metric | Rin1 |
| 1 | 20k | Resistor_SMD:R_0603_1608Metric | RUV1 |
| 1 | 2n2 | Capacitor_SMD:C_0402_1005Metric | CC1 |
| 1 | 2u2 | Capacitor_SMD:C_0603_1608Metric | CVcc1 |
| 1 | 3k09 | Resistor_SMD:R_0402_1005Metric | RFB2 |
| 1 | 3k57 | Resistor_SMD:R_0402_1005Metric | RUV2 |
| 1 | 442 | Resistor_SMD:R_0805_2012Metric | Rilim1 |
| 1 | 4420 | Resistor_SMD:R_0402_1005Metric | RC2 |
| 1 | 47n | Capacitor_SMD:C_0603_1608Metric | CSS1 |
| 1 | 56p | Capacitor_SMD:C_0402_1005Metric | CC2 |
| 1 | 820p | Capacitor_SMD:C_0402_1005Metric | CC3 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U6 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Conn_01x02_Pin | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Horizontal | J1 |
| 1 | Conn_02x10_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x10_P2.54mm_Horizontal | J4 |
| 1 | Conn_ARM_JTAG_SWD_10 | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical | J3 |
| 1 | INA180A4 | Package_TO_SOT_SMD:SOT-23-5 | U7 |
| 1 | LM25145RGYR | Servo_Board:RGY0020B | U5 |
| 1 | LOGO | Servo_Board:CMR_Logo | G*** |
| 1 | MCP9700T-E/TT | Package_TO_SOT_SMD:SOT-23-3 | U8 |
| 1 | NCP1117-5.0_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U4 |
| 1 | PCA9685PW | Package_SO:TSSOP-28_4.4x9.7mm_P0.65mm | U2 |
| 1 | STM32G431CBT6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | SVT2060LB_R2_00001 | Package_TO_SOT_SMD:TO-277B | D2 |
| 1 | TCAN1057AEV-Q1 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
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Questions
How big is the Servo Board PCB?
It measures 52 × 52 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Servo Board use?
111 parts, built around the STM32G431CBT6, TCAN1057AEVDRQ1, PCA9685PW and AMS1117-3.3. 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 Servo Board KiCad files?
From the KyleMui/Portfolio repository on GitHub, at the commit this page was made from: the board is CornellMarsRover/Servo Board/Servo Board (Kicad)/Servo Board.kicad_pcb and its schematic CornellMarsRover/Fan_Board/CAN.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Servo Board design in my own project?
Its repository states no licence, so its author keeps all rights: ask KyleMui before reusing the design.