HardLabs

A2bikelight

pacew·a2bikelight·board/a2bikelight/a2bikelight.kicad_pcb

A2bikelight PCB layout, top view — open source STM32 board by pacew

About the A2bikelight PCB

A2bikelight is an open source STM32 PCB design by pacew, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 50 × 50 mm, with 25 components from 20 distinct parts.

Its main chip is the STM8L151K4U, from the STM32 family. Other key parts include the AMS1117-3.3 and MXC6655XA. By type, the board carries 6 connectors, 5 capacitors, 5 resistors, 3 ICs, 2 switches and 2 diodes.

Main components on the A2bikelight

STM8L151K4UAMS1117-3.3MXC6655XA

A2bikelight bill of materials (BOM)

25 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM8L151K4U
U1
1
AMS1117-3.3
U2
1
MXC6655XA
U3
1
Si2301CDS
Q1
1
Barrel_Jack_Switch
J1
1
CONN_01X02_MALE
Conn_01x02_Male
J2
1
CONN_01X04_MALE
Conn_01x04_Male
J3
1
CONN_01X06_MALE
Conn_01x06_Male
J4
1
CONN_01X05_MALE
Conn_01x02_Male
J5
1
CONN_01X08_MALE
Conn_01x08_Male
J6
2
SW_Push
SW1, SW2
1
TestPoint
TP1
1
SS210
D1
1
C2297
LED_Small
D2
2
10UF
10uF
C1, C2
3
100NF
100nF
C3, C4, C6
2
10K
10k
R1, R2
1
10k
R3
1
10
R4
1
1k
R5

A2bikelight design files

The KiCad project lives in the pacew/a2bikelight repository on GitHub; these links point at the commit this page was built from.

A2bikelight: common questions

What microcontroller does the A2bikelight use?

The A2bikelight is built around the STM8L151K4U, from the STM32 family.

How big is the A2bikelight PCB?

The A2bikelight measures 50 × 50 mm, has 4 copper layers and is 4.69 mm thick.

How many components are on the A2bikelight?

25 components, from 20 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 A2bikelight design files?

From the pacew/a2bikelight 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 A2bikelight design in my own project?

Yes, under the terms of its GPL-3.0 license, which pacew chose for the repository.

Can I test firmware for the A2bikelight 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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