HardLabs

Motor controller

mohamed-belal-10·can-motor-controller-node·hardware/motor_controller/motor_controller.kicad_pcb

Motor controller PCB layout, top view — open source STM32 board by mohamed-belal-10

About the Motor controller PCB

Motor controller is an open source STM32 PCB design by mohamed-belal-10, published on GitHub under the MIT license. It is a 4-layer board measuring 92.1 × 62.8 mm, with 49 components from 37 distinct parts.

Its main chip is the STM32F103C8Tx, from the STM32 family. Other key parts include the LM2596S-5, AMS1117-3.3, DRV8874PWPR and SN65HVD230. By type, the board carries 18 capacitors, 9 resistors, 7 connectors, 5 ICs, 5 diodes and 2 inductors.

It belongs with the robotics & motion and power & battery designs in this gallery.

From the project

CAN-connected closed-loop DC motor controller node — KiCad hardware (STM32F103, DRV8874, SN65HVD230) with an AS5600 encoder sub-PCB

A single PCB "smart joint" for robot arms, rovers, or any multi-actuator robotic system: it bolts onto a DC gearmotor, closes a cascaded current → speed → position control loop locally on an STM32, and takes setpoints over a shared CAN bus instead of running dedicated wires back to a central controller. Multiple nodes share one twisted-pair CAN bus, each addressed independently.

Motor controller, from the project README
From the project README

Main components on the Motor controller

LM2596S-5AMS1117-3.3STM32F103C8TxDRV8874PWPRSN65HVD230

Motor controller bill of materials (BOM)

49 components, 37 distinct parts.

QtyPartRefs
1
LM2596S-5
U1
1
AMS1117-3.3
U2
1
STM32F103C8Tx
U3
1
DRV8874PWPR
TI(德州仪器)
U4
1
SN65HVD230
U5
1
TAXM8M4RLBDDT2T
8MHz3225-SMD
YJX(雅晶鑫)
Y1
1
Screw_Terminal_01x02
J1
1
Bridge
J2
1
ST-link_connector
J3
1
EN
J4
1
External
J5
1
Sub_PCB
J6
1
J_Motor
J8
1
2.2K
R_IPROPI1
1
SW_Push
SW1
2
SS34
D1, D2
1
LED
D3
1
NUP2105L
D4
1
D_TVS
D5
1
FerriteBead
FB1
Show 17 more
QtyPartRefs
1
SMDRI127-680MT
68uH
SXN(顺翔诺)
L1
1
470uF
C1
2
220uF
C2, C15
1
10uF
C3
1
22uF
C4
2
20pF
C5, C6
8
100nF
C7, C8, C9, C10, C12, C13, C16, C18
1
4.7uF
C11
1
0.1uF
C14
1
22nF
C17
2
10k
R1, R3
1
1k
R2
1
3.3k
R4
1
5.1k
R5
1
20k
R6
1
120
R7
2
4.7k
R8, R9

Motor controller design files

The KiCad project lives in the mohamed-belal-10/can-motor-controller-node repository on GitHub; these links point at the commit this page was built from.

Motor controller: common questions

What microcontroller does the Motor controller use?

The Motor controller is built around the STM32F103C8Tx, from the STM32 family.

How big is the Motor controller PCB?

The Motor controller measures 92.1 × 62.8 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Motor controller?

49 components, from 37 distinct parts. The full bill of materials is listed on this page.

Where can I download the Motor controller design files?

From the mohamed-belal-10/can-motor-controller-node repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Motor controller design in my own project?

Yes, under the terms of its MIT license, which mohamed-belal-10 chose for the repository.

Can I test firmware for the Motor controller without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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