HardLabs

LF LAP TIMER

bismarx-v1·SchoolStuff·misc_projects/LF_LAP_TIMER/LF_LAP_TIMER.kicad_pcb

LF LAP TIMER PCB layout, top view — open source AVR/Arduino board by bismarx-v1

About the LF LAP TIMER PCB

LF LAP TIMER is an open source AVR/Arduino PCB design by bismarx-v1, published on GitHub. It is a 2-layer board measuring 94.5 × 64.5 mm, with 17 components from 11 distinct parts.

Its main chip is the Arduino_UNO_R3, from the AVR/Arduino family. By type, the board carries 9 resistors, 3 connectors, 3 switches, 1 module and 1 capacitor.

From the project

helo

Main components on the LF LAP TIMER

Arduino_UNO_R3

LF LAP TIMER bill of materials (BOM)

17 components, 11 distinct parts.

QtyPartRefs
1
Arduino_UNO_R3
A1
1
SENSOR TERMINAL
J1
1
SENSOR TERMINAL
J2
1
LCD TERMINAL
J3
1
ARM
SW1
1
STOP
SW2
1
RESTART
SW3
1
100nF
C1
2
0R
R1, R2
6
10K
R4, R5, R6, R8, R9, R10
1
1k
R7

LF LAP TIMER design files

The KiCad project lives in the bismarx-v1/SchoolStuff repository on GitHub; these links point at the commit this page was built from.

LF LAP TIMER: common questions

What microcontroller does the LF LAP TIMER use?

The LF LAP TIMER is built around the Arduino_UNO_R3, from the AVR/Arduino family.

How big is the LF LAP TIMER PCB?

The LF LAP TIMER measures 94.5 × 64.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LF LAP TIMER?

17 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the LF LAP TIMER design files?

From the bismarx-v1/SchoolStuff repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the LF LAP TIMER design in my own project?

The repository has no license, so all rights stay with bismarx-v1. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the LF LAP TIMER 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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