Bs button
About the Bs button PCB
Bs button is an open source STM32 PCB design by MelexinVN, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 30.5 × 30.5 mm, with 21 components from 15 distinct parts.
Its main chip is the STM32F030F4PX, from the STM32 family. Other key parts include the NRF24L01_BREAKOUT and AMS1117-3.3. By type, the board carries 7 capacitors, 5 resistors, 4 connectors, 3 ICs, 1 crystal and 1 jumper.
It belongs with the rf & radio and iot & wireless designs in this gallery.
From the project
Электронная беспроводная система для проведения интеллектуальных игр на микроконтроллерах stm32 и радиомодулях nrf24l01+. Electronic wireless system for conducting intellectual games on microcontrollers stm32 and radio modules nrf24l01+
- интерактивный перечень элементов - папка bom - файлы для производства - папка production - гербер-файлы - bs_button.zip (облако)
Main components on the Bs button
Bs button bill of materials (BOM)
21 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NRF24L01_BREAKOUT NRF24L01_Breakout | NRF24L01-Module-SMD | U1 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U2 |
| 1 | STM32F030F4PX STM32F030F4Px | TSSOP-20_4.4x6.5mm_P0.65mm | U3 |
| 1 | Crystal | Crystal_HC49-U_Vertical | Y1 |
| 1 | CONN_01X07 Conn_01x07 | PinHeader_1x07_P2.54mm_Vertical | J1 |
| 1 | CONN_01X04 Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | CONN_01X06 Conn_01x06 | PinHeader_1x06_P2.54mm_Vertical | J3 |
| 1 | CONN_01X02 Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | SOLDERJUMPER_2_OPEN SolderJumper_2_Open | SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | JP1 |
| 2 | 22P 22p | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C4 |
| 3 | 100N 100n | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C5, C6 |
| 2 | 10U 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C7 |
| 3 | 10K 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R3, R5 |
| 1 | 620 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 1 | 150 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
Bs button design files
The KiCad project lives in the MelexinVN/bs_kombo_bs repository on GitHub; these links point at the commit this page was built from.
Bs button: common questions
What microcontroller does the Bs button use?
The Bs button is built around the STM32F030F4PX, from the STM32 family.
How big is the Bs button PCB?
The Bs button measures 30.5 × 30.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Bs button?
21 components, from 15 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 Bs button design files?
From the MelexinVN/bs_kombo_bs 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 Bs button design in my own project?
Yes, under the terms of its GPL-3.0 license, which MelexinVN chose for the repository.
Can I test firmware for the Bs button 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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