2 layers85 × 125 mm
4 layers157 × 105 mm
Abx motion
levdan159/abx-motionABX-Motion 12V-32V ESP32-S3 4-Layer Robotics Controller (Dual 100W DC Servo H-Bridges, Dual Steppers, Dual Relays, CAN, RS-485, USB-C)
- Size
- 157 × 105 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 203
- Nets
- 159
- Pads
- 798
- Tracks, vias
- 1,773, 352
- Pours
- 25
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 19 Oct 2026
- Updated
- 25 Oct 2026
Overview
Abx motion is an open-source printed circuit board by levdan159, from the levdan159/abx-motion repository on GitHub. It is a 4-layer board of 157 × 105 mm with 203 parts on 159 nets, routed with 1,773 tracks and 352 vias.
It is built around the ESP32-S3-WROOM-1-N8R2, THVD1450DRBR and DRV8701ERGER, with the LMR36520FADDA, 74LVC14AD and AP2112K-3.3 among its other parts. Its parts include 71 resistors, 46 capacitors, 17 connectors, 14 diodes and 11 transistors. It belongs with the robots and motor control and interfaces and adapters boards and the ESP32 boards of this library.
Main components
12
ESP32-S3-WROOM-1-N8R2
SMD,25.5x18mm-40℃~+85℃ -98.2dBm 2.4GHz 20.5dBm 355mA 3V~3.6V 97mA Bluetooth5.0 ESP32-S3 Chip On-board PCB Antenna UART、SPI、I2C、I2S、USB SMD,25.5x18mm WiFi Modules ROHSEspressif SystemsWiFi Modules
THVD1450DRBR
VSON-8(3x3)-40℃~+125℃ 1 1 1uA 256 3V~5.5V 50Mbps Half-Duplex Transceiver ±18kV VSON-8(3x3) RS-485 / RS-422 ICs ROHSTexas InstrumentsRS-485 / RS-422 ICs
DRV8701ERGER
VQFN-24-EP(4x4)-40℃~+125℃ 5.9V~45V Full-Bridge MOSFET Under Voltage Protection、Over Current Protection、Overtemperature protection (OTP) VQFN-24-EP(4x4) Gate Drivers ROHSTexas InstrumentsBrushed DC Motor Drivers
LMR36520FADDA
SO-8-40℃~+125℃@(TJ) 1 1V~28V 2A 4.2V~65V 400kHz Adjustable Buck Buck Built-in Yes SO-8 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
74LVC14AD
SOP-14-40℃~+125℃ 1.2V、1.9V、2.2V、2.4V、3.8V 1.65V~5.5V 100mV、300mV、400mV、450mV、550mV、550mV 10uA 3.5ns@5V,15pF 6 74LVC Schmitt trigger SOP-14 Inverters ROHSMDDInverters
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
CSD18540Q5B
VSON-8(5x6)-55℃~+175℃ 1 N-channel 1.9V 2.6mΩ 205A 20pF 3.8W 4.23nF 41nC@10V 60V 808pF N-Channel VSON-8(5x6) MOSFETs ROHSTexas InstrumentsMOSFETs
1N4148WS
SOD-3231.25V@150mA 100V 150mA 1uA@75V 200mW 2A 4ns Independent SOD-323 Switching Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Switching Diodes
AO3400A
SOT-23-55℃~+150℃ 1 N-channel 1.45V 1.4W 30V 48mΩ@2.5V 5.7A 50pF 630pF 75pF 7nC@10V N-Channel SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETsG5LE-14-DC5
THTH New Arrivals ROHSOmronUncategorised
B5819W
SOD-123-55℃~+125℃ 1.5A 1mA@40V 25A 40V 600mV@1A Standalone SOD-123 Schottky Diodes ROHSMDDSchottky DiodesBZT52C12S
SOD-3231 Independent 100nA@8V 11.4V~12.7V 12V 150Ω 200mW 25Ω SOD-323 Zener Diodes ROHSJiangsu Changjing Electronics Technology (CJ)Zener Diodes
README
README.mdABX-Motion Robotics Controller (KiCad 10.0)
12V–32V Battery-Powered ESP32-S3 Industrial & Mobile Robotics Motherboard
System Overview
- MCU & Connectivity:
ESP32-S3-WROOM-1-N8R2with USB-C (USBLC6-2SC6ESD + tightly-coupled 90Ω differential pair), isolated-ready CAN 2.0B (TCAN1042HGVDRQ1), RS-485 (THVD1450DRwithSMBJ6.5CATVS &330Ωfail-safe bias), and0.96"I2C OLED (ER-OLEDM0.96-1B-I2C) + 3-button UI (BACK,NEXT,HOME). - Dual 100W Brushed DC Servo Channels: 2x
DRV8701ERGERfull-bridge gate drivers + 8xCSD18540Q5B(60V, 1.8mΩ N-MOSFETs),10mΩ 3W(CRA2512) Kelvin current shunts, configurableIDRIVE(200kΩ), RC phase snubbers, and 2x 5V quadrature encoder inputs with1kΩ/1nFlow-pass filters +SN74LVC14ADRSchmitt-trigger conditioning. - Dual Stepper Channels: 2x StepStick sockets (
DRV8825/TMC2209/TMC5160) with 3-channel microstep DIP switches + parallel 4-pin external industrial stepper driver headers. - Dual High-Current Relay Outputs: 2x Omron
G5LE-14-DC5(5V SPDT 10A relays) withAO3400AMOSFET drivers,1N4148WSflyback diodes, and status LEDs. - Power Architecture:
XT60battery input,25Aautomotive blade fuse,SQJ459EP-T1_GE3(-60V, 52AP-MOSFET) reverse-polarity protection,SMCJ28A(1500W TVS),LMR36520FADDAR(65V -> 5V 2A synchronous buck), andAP2112K-3.3LDO. - 4-Layer PCB (
160 x 110 mm):F.Cu(Signals + High-Current Power Pours),In1.Cu(100% Unbroken SolidGNDReference Plane),In2.Cu(+BATT/+5V/+3V3Power Planes),B.Cu(Signals + Input Power Pours).
Repository Structure
abx-motion.kicad_pro,abx-motion.kicad_sch,abx-motion.kicad_pcb: Main KiCad 10.0 project, hierarchical schematics (Power.kicad_sch,MCU.kicad_sch,Motor_Channel.kicad_sch,Steppers_Relays.kicad_sch), and routed 4-layer PCB (0DRC errors,0ERC errors).production/: Ready-to-manufacture Gerbers, Excellon drill files, JLCPCB BOM (100% verified in-stock LCSCC-numbers), Pick-and-Place (CPL), and PDFs.renders/: High-resolution 2D/3D board and schematic renders.
Parts
203| Qty | Value | Footprint | References |
|---|---|---|---|
| 20 | 10k | Resistor_SMD:R_0603_1608Metric | R3, R203, R204, R205, R206, R207, R208, R209, R210, R227, R228, R229, R231, R232, R303, R403 +4 |
| 16 | 100nF | Capacitor_SMD:C_0603_1608Metric | C1, C4, C6, C202, C203, C204, C209, C210, C211, C212, C213, C214, C302, C309, C402, C409 |
| 15 | 1k | Resistor_SMD:R_0603_1608Metric | R7, R8, R212, R214, R216, R218, R220, R224, R230, R304, R311, R404, R411, R502, R504 |
| 8 | 10 | Resistor_SMD:R_0603_1608Metric | R305, R306, R307, R308, R405, R406, R407, R408 |
| 8 | 1uF | Capacitor_SMD:C_0603_1608Metric | C5, C9, C301, C303, C304, C401, C403, C404 |
| 8 | CSD18540Q5B | Package_TO_SOT_SMD:TDSON-8-1 | Q301, Q302, Q303, Q304, Q401, Q402, Q403, Q404 |
| 6 | 4.7k | Resistor_SMD:R_0603_1608Metric | R211, R213, R215, R217, R225, R226 |
| 6 | 4.7uF | Capacitor_SMD:C_1206_3216Metric | C2, C3, C307, C308, C407, C408 |
| 5 | LED_GRN | LED_SMD:LED_0603_1608Metric | D502, D504, LED_PWR_3V3_1, LED_PWR_5V1, LED_PWR_BATT1 |
| 4 | 1nF | Capacitor_SMD:C_0603_1608Metric | C205, C206, C207, C208 |
| 4 | M3_Mount | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 2 | 10 | Resistor_SMD:R_0805_2012Metric | R310, R410 |
| 2 | 100 | Resistor_SMD:R_0603_1608Metric | R501, R503 |
| 2 | 100k | Resistor_SMD:R_0603_1608Metric | R2, R4 |
| 2 | 100uF | Capacitor_SMD:CP_Elec_8x10.5 | C501, C502 |
| 2 | 10mR_3W | Resistor_SMD:R_2512_6332Metric | R309, R409 |
| 2 | 10nF | Capacitor_SMD:C_0603_1608Metric | C305, C405 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C10, C201 |
| 2 | 120 | Resistor_SMD:R_0603_1608Metric | R219, R221 |
| 2 | 18k | Resistor_SMD:R_0603_1608Metric | R301, R401 |
| 2 | 1N4148WS | Diode_SMD:D_SOD-323 | D501, D503 |
| 2 | 2.2nF | Capacitor_SMD:C_0805_2012Metric | C310, C410 |
| 2 | 200k | Resistor_SMD:R_0603_1608Metric | R312, R412 |
| 2 | 220uF | Capacitor_SMD:CP_Elec_10x10.5 | C306, C406 |
| 2 | 22uF | Capacitor_SMD:C_1206_3216Metric | C7, C8 |
| 2 | 30k | Resistor_SMD:R_0603_1608Metric | R302, R402 |
| 2 | 330R | Resistor_SMD:R_0603_1608Metric | R222, R223 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric | R201, R202 |
| 2 | 500mA_PTC | Fuse:Fuse_1206_3216Metric | F2, F3 |
| 2 | AO3400A | Package_TO_SOT_SMD:SOT-23 | Q501, Q502 |
| 2 | DRV8701ERGER | Package_DFN_QFN:Texas_RGE0024C_VQFN-24-1EP_4x4mm_P0.5mm_EP2.1x2.1mm_ThermalVias | U301, U401 |
| 2 | G5LE-14-DC5 | Relay_THT:Relay_SPDT_Omron-G5LE-1 | K501, K502 |
| 2 | LED_RED_FLT | LED_SMD:LED_0603_1608Metric | LED_FLT1, LED_FLT2 |
| 2 | M2_OLED | MountingHole:MountingHole_2.2mm_M2 | H5, H6 |
| 2 | MICROSTEP_CFG | Button_Switch_SMD:SW_DIP_SPSTx03_Slide_9.78x9.8mm_W8.61mm_P2.54mm | SW501, SW502 |
| 2 | MOTOR_OUT | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J301, J401 |
| 2 | StepStick_DRV8825 | Module:Pololu_Breakout-16_15.2x20.3mm | U501, U502 |
| 2 | TP_CS | TestPoint:TestPoint_Pad_D1.5mm | TP_CS1, TP_CS2 |
| 1 | 15uH | Inductor_SMD:L_Bourns_SRP7028A_7.3x6.6mm | L1 |
| 1 | 24.9k | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 250mA_PTC | Fuse:Fuse_1206_3216Metric | F4 |
| 1 | 25A | Fuse:Fuse_Blade_ATO_directSolder | F1 |
| 1 | 47k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 74LVC14A | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U4 |
| 1 | ABX_Logo_Gears_Gold | abx-footprints:ABX_Logo_Gears_Gold | LOGO1 |
| 1 | ABX_Text_Gold | abx-footprints:ABX_Text_Gold | LOGO2 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | B5819W | Diode_SMD:D_SOD-123 | D202 |
| 1 | BOOT | Button_Switch_SMD:SW_SPST_B3U-1000P | SW202 |
| 1 | BTN_BACK | Button_Switch_SMD:SW_SPST_B3U-1000P | SW203 |
| 1 | BTN_HOME | Button_Switch_SMD:SW_SPST_B3U-1000P | SW205 |
| 1 | BTN_NEXT | Button_Switch_SMD:SW_SPST_B3U-1000P | SW204 |
| 1 | BZT52C12S | Diode_SMD:D_SOD-323 | D1 |
| 1 | CAN_BUS | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J205 |
| 1 | CAN_TERM | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J204 |
| 1 | ENC1_CONN | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J202 |
| 1 | ENC2_CONN | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J203 |
| 1 | ESP32-S3-WROOM-1-N8R2 | RF_Module:ESP32-S3-WROOM-1 | U3 |
| 1 | E_STOP | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J102 |
| 1 | I2C_EXP | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J209 |
| 1 | LED_BLU_STAT | LED_SMD:LED_0603_1608Metric | LED203 |
| 1 | LED_YEL_485 | LED_SMD:LED_0603_1608Metric | LED202 |
| 1 | LED_YEL_CAN | LED_SMD:LED_0603_1608Metric | LED201 |
| 1 | LMR36520FADDA | Package_SO:Texas_HSOP-8-1EP_3.9x4.9mm_P1.27mm_ThermalVias | U1 |
| 1 | OLED_I2C | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J208 |
| 1 | RELAY1_OUT | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J505 |
| 1 | RELAY2_OUT | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J506 |
| 1 | RESET | Button_Switch_SMD:SW_SPST_B3U-1000P | SW201 |
| 1 | RS485_BUS | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-3-5.08_1x03_P5.08mm_Horizontal | J207 |
| 1 | RS485_TERM | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J206 |
| 1 | SMBJ6.5CA | Diode_SMD:D_SMB | D201 |
| 1 | SMCJ30A | Diode_SMD:D_SMC | D2 |
| 1 | SQJ459EP-T1_GE3 | Package_TO_SOT_SMD:TDSON-8-1 | Q1 |
| 1 | STEP1_EXT | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J502 |
| 1 | STEP1_MOTOR | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J501 |
| 1 | STEP2_EXT | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J504 |
| 1 | STEP2_MOTOR | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J503 |
| 1 | TCAN1042V-Q1 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U202 |
| 1 | THVD1450DR | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U203 |
| 1 | TP_3V3_1 | TestPoint:TestPoint_Pad_D1.5mm | TP_3V3_1 |
The 196 most common of 203 parts.
Questions
How big is the Abx motion PCB?
It measures 157 × 105 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Abx motion use?
203 parts, built around the ESP32-S3-WROOM-1-N8R2, THVD1450DRBR, DRV8701ERGER and LMR36520FADDA. 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 Abx motion KiCad files?
From the levdan159/abx-motion repository on GitHub, at the commit this page was made from: the board is abx-motion.kicad_pcb and its schematic MCU.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Abx motion design in my own project?
Its repository states no licence, so its author keeps all rights: ask levdan159 before reusing the design.
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