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Thermostat bridge

Lucasmnascimento94·T_BRIDGE·thermostat_bridge/thermostat_bridge.kicad_pcb

Thermostat bridge PCB layout, top view — open source STM32 board by Lucasmnascimento94

About the Thermostat bridge PCB

Thermostat bridge is an open source STM32 PCB design by Lucasmnascimento94, published on GitHub. It is a 4-layer board measuring 84 × 64 mm, with 77 components from 38 distinct parts.

Its main chip is the STM32H563ZITX, from the STM32 family. Other key parts include the STM32F103C6Tx, LM2596S-3.3 and FT232RL. By type, the board carries 33 resistors, 21 capacitors, 5 LEDs, 4 ICs, 4 inductors and 3 connectors.

Main components on the Thermostat bridge

STM32H563ZITXSTM32F103C6TxLM2596S-3.3FT232RL

Thermostat bridge bill of materials (BOM)

77 components, 38 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32H563ZITX
DRV8871DDA
U1
1
STM32F103C6Tx
U2
1
LM2596S-3.3
U3
1
FT232RL
U4
1
TSTATWIRE_INPUT
J2
1
ZONE2
TO_THERMOSTAT
J3
1
USB_A
J6
1
CONN_02X10_ODD_EVEN
Conn_02x10_Odd_Even
JTAG1
1
SW_DIP_X01
SW_DIP_x01
SW1
2
SW_Push
SW2, SW3
5
LED
FRX1, FRX2, FRX3, FRX4, FTX1
3
D_Schottky
D1, D2, D3
1
120R
FB2
1
68UH
L1
1
47UH
L2
1
1mH
L3
8
0.1U
C2, C5, C6, C8, C9, C10, C11, C12
1
0.1U
220U
C3
1
0.1U
1000U
C4
1
0.1U
470U
C7
Show 18 more
QtyPartRefs
2
4.7U
C13, C65
4
100N
100n
C44, C64, C66, C67
2
1u
C46, C47
2
47PF
47pf
C60, C63
1
500
128K
R1
3
4.7K
R2, R3, R4
2
500
4.7K
R5, R6
2
500
200
R7, R8
3
200
R9, R30, R31
1
500
47
R10
1
500
15K
R11
1
500
10K
R12
1
200K
100K
R13
4
10K
R14, R16, R27, R33
2
100K
R15, R32
6
10K
100K
R17, R19, R21, R23, R25, R29
5
10K
R18, R20, R22, R24, R28
1
4K7
4k7
R26

Thermostat bridge design files

The KiCad project lives in the Lucasmnascimento94/T_BRIDGE repository on GitHub; these links point at the commit this page was built from.

Thermostat bridge: common questions

What microcontroller does the Thermostat bridge use?

The Thermostat bridge is built around the STM32H563ZITX, from the STM32 family.

How big is the Thermostat bridge PCB?

The Thermostat bridge measures 84 × 64 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Thermostat bridge?

77 components, from 38 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Thermostat bridge design files?

From the Lucasmnascimento94/T_BRIDGE repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Thermostat bridge design in my own project?

The repository has no license, so all rights stay with Lucasmnascimento94. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Thermostat bridge 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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