HardLabs

THCAD-reader

MetalMusings·MyOwnEtherCATDevice·Cards/EaserCAT-4000-THCAD-Reader/Kicad/THCAD-reader.kicad_pcb

THCAD-reader PCB layout, top view — open source STM32 board by MetalMusings

About the THCAD-reader PCB

THCAD-reader is an open source STM32 PCB design by MetalMusings, published on GitHub. It is a 2-layer board measuring 89.2 × 58.9 mm, with 123 components from 35 distinct parts.

Its main chip is the STM32F407VGT6, from the STM32 family. Other key parts include the MAX3485CSA/ESA, LAN9252_PT, AT24CS32-SSHM and AMS1117-3.3. By type, the board carries 56 capacitors, 39 resistors, 7 diodes, 5 ICs, 4 connectors and 2 crystals.

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

From the project

Documentation accompanying the "Make My Own EtherCAT device" video serie on Youtube.

This repository contains the EtherCAT devices I have designed, built and put in use in linuxcnc.

Everything should be here: - Schematics, PCB layouts, and what is needed to build the boards. - Software tools to create an ESI-file and program the ESC eeprom. - Software tools to create the application running on a STM32F407VG. - A big learning curve is hidden in here as well

THCAD-reader, from the project README
From the project README

Main components on the THCAD-reader

MAX3485CSA/ESALAN9252_PTAT24CS32-SSHMSTM32F407VGT6AMS1117-3.3

THCAD-reader bill of materials (BOM)

123 components, 35 distinct parts.

QtyPartRefs
1
MAX3485CSA/ESA
U1
1
LAN9252_PT
U2
1
AT24CS32-SSHM
U3
1
STM32F407VGT6
U4
1
AMS1117-3.3
U5
1
25MHz
Y1
1
8 MHz
Y2
1
THCAD
J1
1
Conn_01x02_Pin
J2
1
STLINK
J3
1
Serial usart1
J4
2
BLM18EG221S
B1, B2
5
BLM18EG221SN1D
B3, B4, B5, B6, B7
2
J0011D01BNL
IN1, OUT1
1
SW_Push
SW1
2
Green led
D1, D4
1
Red led
D2
1
Orange led
D3
3
Blue led
D5, D6, D7
38
0.1uF
C1, C6, C8, C12, C13, C14, C15, C16 +30
Show 15 more
QtyPartRefs
8
10pF
C2, C3, C4, C5, C7, C9, C10, C11
1
470pF
C18
1
1uF
C20
2
20pF
C22, C23
2
2.2uF
C34, C39
2
10uF
C42, C46
2
22pF
C49, C50
1
120
R1
6
1k
R2, R3, R12, R13, R34, R39
8
49.9
R4, R5, R6, R7, R8, R9, R10, R11
6
10k
R14, R15, R18, R19, R20, R21
1
12.1k
R16
11
22
R17, R22, R29, R30, R31, R32, R33, R35 +3
4
510
R23, R24, R25, R26
2
2k
R27, R28

THCAD-reader design files

The KiCad project lives in the MetalMusings/MyOwnEtherCATDevice repository on GitHub; these links point at the commit this page was built from.

THCAD-reader: common questions

What microcontroller does the THCAD-reader use?

The THCAD-reader is built around the STM32F407VGT6, from the STM32 family.

How big is the THCAD-reader PCB?

The THCAD-reader measures 89.2 × 58.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the THCAD-reader?

123 components, from 35 distinct parts. The full bill of materials is listed on this page.

Where can I download the THCAD-reader design files?

From the MetalMusings/MyOwnEtherCATDevice repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the THCAD-reader design in my own project?

The repository has no license, so all rights stay with MetalMusings. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the THCAD-reader 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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