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Bike speed sensor

reivax-boucoi·PCB_Kicad·bike_speed_sensor/bike_speed_sensor.kicad_pcb

Bike speed sensor PCB layout, top view — open source AVR/Arduino board by reivax-boucoi
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About the Bike speed sensor PCB

Bike speed sensor is an open source AVR/Arduino PCB design by reivax-boucoi, published on GitHub. It is a 2-layer board measuring 42.5 × 53.5 mm, with 36 components from 24 distinct parts.

Its main chip is the ATmega169A-A, from the AVR/Arduino family. Other key parts include the MCP102-270E/LB and GDC0570. By type, the board carries 12 capacitors, 6 diodes, 5 connectors, 5 resistors, 3 ICs and 3 switches.

It belongs with the sensors designs in this gallery.

From the project

Repo for all my home projects involving PCBs developped with Kicad

Main components on the Bike speed sensor

ATmega169A-AMCP102-270E/LBGDC0570

Bike speed sensor bill of materials (BOM)

36 components, 24 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATmega169A-A
U2
1
MCP102-270E/LB
U3
1
GDC0570
U4
1
32k768
Y1
1
Coil
J1
1
ICSP_TagConnect
J2
1
UART
J3
1
BATT
J4
1
Imeas
J5
1
Imeas
JP1
1
~{RST}
SW1
1
BTN0
SW2
1
BTN1
SW3
1
LED_Dual
D1
5
BAT854W
D2, D3, D4, D5, D6
1
1n
C1
1
10F
C2
6
100n
C3, C4, C6, C9, C16, C17
1
10u
C5
2
10p
C7, C8
Show 4 more
QtyPartRefs
1
1u
C15
2
1Meg
R1, R13
1
470
R2
2
1k
R4, R9

Bike speed sensor design files

The KiCad project lives in the reivax-boucoi/PCB_Kicad repository on GitHub; these links point at the commit this page was built from.

Bike speed sensor: common questions

What microcontroller does the Bike speed sensor use?

The Bike speed sensor is built around the ATmega169A-A, from the AVR/Arduino family.

How big is the Bike speed sensor PCB?

The Bike speed sensor measures 42.5 × 53.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Bike speed sensor?

36 components, from 24 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 Bike speed sensor design files?

From the reivax-boucoi/PCB_Kicad 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 Bike speed sensor design in my own project?

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

Can I test firmware for the Bike speed sensor without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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