2 layers130.8 × 134.4 mm
MyFirstBuck
ManveerA/Buck_Converter_PCB
Repository for Buck Converter PCB design project for ELEC-4450 Power Electronics.
50 parts1
2 layers48.1 × 24.8 mm
Motor driver
zeph-bit/motor_driverA simple motor driver circuit.
- Size
- 48.1 × 24.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 20
- Nets
- 15
- Pads
- 72
- Tracks, vias
- 139, 8
- Pours
- 24
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 11 May 2026
- Updated
- 11 May 2026
Overview
Motor driver is an open-source printed circuit board by zeph-bit, from the zeph-bit/motor_driver repository on GitHub, published under the MIT licence. It is a 2-layer board of 48.1 × 24.8 mm with 20 parts on 15 nets, routed with 139 tracks and 8 vias.
It is built around the L298N and US2AA. Its parts include 5 resistors, 5 connectors, 4 capacitors, 4 diodes and 2 ICs. It belongs with the robots and motor control boards and the STM32 boards of this library.
Main components
2
L298N
Multiwatt-15-25℃~+130℃ 2 2A 4.5V~7V Bipolar Driver Overcurrent Protection、Over temperature protection Yes Multiwatt-15 Stepper Motor Driver ROHSHGSEMIStepper Motor Driver
US2AA
SMA(DO-214AC)-55℃~+150℃ 1.5A 1V@1.5A 50V 5uA@50V SMA(DO-214AC) Fast Recovery / High Efficiency Diodes ROHSonsemiFast Recovery / High Efficiency Diodes
README
README.mdmotor_driver
A simple motor driver circuit designed to interface with an STM32F072 DISCOVERY board and a Pololu 37D, item /#2824, brushed DC motor.
The driver includes a current sense feature to monitor the motor output and a temperature monitoring feature.
Below are photos of the assembled motor driver.
Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10k | Resistor_SMD:R_1206_3216Metric | R1, R2, R3, R4 |
| 4 | US2AA | Diode_SMD:D_SMA | D1, D2, D3, D4 |
| 3 | 100 nF | Capacitor_SMD:C_1206_3216Metric | C2, C3, C4 |
| 1 | 1 uF | Capacitor_THT:C_Radial_D5.0mm_H11.0mm_P2.00mm | C1 |
| 1 | 40m | Resistor_SMD:R_1206_3216Metric | R5 |
| 1 | Barrel_Jack_Switch | embedded-project:GRAVITECH_CON-SOCJ-2155 | J4 |
| 1 | I_SENSE Header | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J5 |
| 1 | L298N | Package_TO_SOT_THT:TO-220-15_P2.54x5.08mm_StaggerOdd_Lead4.58mm_Vertical | U1 |
| 1 | LM75A | embedded-project:SOIC127P600X175-8N | U2 |
| 1 | Motor Header | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | STM32 IO | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical | J1 |
| 1 | STM32 PWR | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3 |
Questions
How big is the Motor driver PCB?
It measures 48.1 × 24.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Motor driver use?
20 parts, built around the L298N and US2AA. 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 Motor driver KiCad files?
From the zeph-bit/motor_driver repository on GitHub, at the commit this page was made from: the board is motor-driver/motor-driver.kicad_pcb and its schematic motor-driver/motor-driver.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Motor driver design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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