HardLabs

Simple counter rs

sephynox·simple-counter-rs·schematic/simple-counter.kicad_pcb

Simple counter rs PCB layout, top view — open source AVR/Arduino board by sephynox

About the Simple counter rs PCB

Simple counter rs is an open source AVR/Arduino PCB design by sephynox, published on GitHub under the MIT license. It is a 2-layer board measuring 68.8 × 53.6 mm, with 6 components from 4 distinct parts.

Its main chip is the Arduino_Uno_R3_Shield, from the AVR/Arduino family. Other key parts include the 74HC595. By type, the board carries 2 ICs, 2 capacitors, 1 module and 1 LED.

From the project

A complete embedded device example in Rust using an Arduino, KiCad, and Fusion360.

A Rust-based PlatformIO Arduino project for controlling a 4-digit 7-segment display with incrementing counter functionality. The purpose of this project is to develop a simple PCB, software, and case design as a template for developing hardware devices from ideation to production.

- Efficient multiplexed display using 74HC595 shift registers - Safe interrupt handling with Mutex - Hardware abstraction layer for Arduino integration

Simple counter rs, from the project README
From the project README

Main components on the Simple counter rs

74HC595Arduino_Uno_R3_Shield

Simple counter rs bill of materials (BOM)

6 components, 4 distinct parts.

QtyPartRefs
2
74HC595
U1, U2
1
Arduino_Uno_R3_Shield
A1
1
7 Segment LED 3641BH (4Digits)
DS1
2
100nF
C1, C2

Simple counter rs design files

The KiCad project lives in the sephynox/simple-counter-rs repository on GitHub; these links point at the commit this page was built from.

Simple counter rs: common questions

What microcontroller does the Simple counter rs use?

The Simple counter rs is built around the Arduino_Uno_R3_Shield, from the AVR/Arduino family.

How big is the Simple counter rs PCB?

The Simple counter rs measures 68.8 × 53.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Simple counter rs?

6 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the Simple counter rs design files?

From the sephynox/simple-counter-rs repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Simple counter rs design in my own project?

Yes, under the terms of its MIT license, which sephynox chose for the repository.

Can I test firmware for the Simple counter rs 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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