HardLabs

Valhalla-MOD-CPU ATMEGA

csdexter·valhalla·hardware/eda/VLM-CP1/valhalla-MOD-CPU_ATMEGA.kicad_pcb

Valhalla-MOD-CPU ATMEGA PCB layout, top view — open source AVR/Arduino board by csdexter

About the Valhalla-MOD-CPU ATMEGA PCB

Valhalla-MOD-CPU ATMEGA is an open source AVR/Arduino PCB design by csdexter, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 76.2 × 50.8 mm, with 27 components from 13 distinct parts.

Its main chip is the ATmega328P-P, from the AVR/Arduino family. Other key parts include the 74LS06 and 74LS07. By type, the board carries 8 resistors, 6 diodes, 6 capacitors, 3 ICs, 2 connectors and 1 crystal.

From the project

Version-controlled material related to the Valhalla project

This repository contains version-controlled material related to operation Valhalla. The documentation counterparts are currently stored in Google Drive.

Main components on the Valhalla-MOD-CPU ATMEGA

ATmega328P-P74LS0674LS07

Valhalla-MOD-CPU ATMEGA bill of materials (BOM)

27 components, 13 distinct parts.

QtyPartRefs
1
ATmega328P-P
U1
1
74LS06
U2
1
74LS07
U3
1
7.3728 MHz
Y1
1
BUS
J1
1
GPIO
J2
1
RESET
K1
3
R
D1, D2, D5
3
R
D3, D4, D6
3
0.1uF
C1, C2, C4
1
4.7uF
C3
2
20pF
C5, C6
8
1K
R1, R2, R3, R4, R5, R6, R7, R8

Valhalla-MOD-CPU ATMEGA design files

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

Valhalla-MOD-CPU ATMEGA: common questions

What microcontroller does the Valhalla-MOD-CPU ATMEGA use?

The Valhalla-MOD-CPU ATMEGA is built around the ATmega328P-P, from the AVR/Arduino family.

How big is the Valhalla-MOD-CPU ATMEGA PCB?

The Valhalla-MOD-CPU ATMEGA measures 76.2 × 50.8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Valhalla-MOD-CPU ATMEGA?

27 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Valhalla-MOD-CPU ATMEGA design files?

From the csdexter/valhalla repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Valhalla-MOD-CPU ATMEGA design in my own project?

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

Can I test firmware for the Valhalla-MOD-CPU ATMEGA 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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