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Terminal addon

bi-zone·offzone-hw·2025/terminal_addon/terminal_addon.kicad_pcb

Terminal addon PCB layout, top view — open source STM32 board by bi-zone
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About the Terminal addon PCB

Terminal addon is an open source STM32 PCB design by bi-zone, published on GitHub. It is a 2-layer board measuring 40 × 37.6 mm, with 11 components from 7 distinct parts.

Its main chip is the STM32F405RGT6, from the STM32 family. By type, the board carries 5 resistors, 3 diodes, 1 IC, 1 connector and 1 capacitor.

From the project

Количество проводящих слоев: 2 Базовый материал (Core): FR4 Суммарная толщина платы, мм: 1.5 Толщина фольги, мкм: 18 или 35 Финишное покрытие площадок: HASL Паяльная маска: чёрная * Маркировка обозначений: белая

Количество проводящих слоев: 2 Базовый материал (Core): FR4 Суммарная толщина платы, мм: 1.5 Толщина фольги, мкм: 18 или 35 Финишное покрытие площадок: HASL Паяльная маска: чёрная * Маркировка обозначений: белая

3 светодиода 1206 Белые 3 резистора 1206 220 Ом Резистор 1206 1 кОм Резистор 1206 100 кОм Конденсатор 1206 10 мкФ Микросхема LMC555 * Коннектор PLD-6

Terminal addon, from the project README
From the project README

Main components on the Terminal addon

STM32F405RGT6

Terminal addon bill of materials (BOM)

11 components, 7 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32F405RGT6
LMC555CM
U1
1
Conn_02x03
J1
3
LED_WHITE
D1, D2, D3
1
10 uF
C1
1
1k
R1
1
100k
R2
3
220
R3, R4, R5

Terminal addon design files

The KiCad project lives in the bi-zone/offzone-hw repository on GitHub; these links point at the commit this page was built from.

Terminal addon: common questions

What microcontroller does the Terminal addon use?

The Terminal addon is built around the STM32F405RGT6, from the STM32 family.

How big is the Terminal addon PCB?

The Terminal addon measures 40 × 37.6 mm, has 2 copper layers and is 0.41116 mm thick.

How many components are on the Terminal addon?

11 components, from 7 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 Terminal addon design files?

From the bi-zone/offzone-hw 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 Terminal addon design in my own project?

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

Can I test firmware for the Terminal addon 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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