HardLabs

Minus main

cogip·pcb-main

Minus main PCB layout, top view — open source AVR/Arduino board by cogip

About the Minus main PCB

Minus main is an open source AVR/Arduino PCB design by cogip, published on GitHub. It is a 2-layer board measuring 2.5 × 2.5 mm, with 10 components from 9 distinct parts.

Its main chip is the arduino_shield, from the AVR/Arduino family. Other key parts include the socket_leon_x3_dil64, socket_ams1117-3V3_mod and socket_lm2596_mod. By type, the board carries 5 connectors and 3 ICs.

Main components on the Minus main

socket_leon_x3_dil64socket_ams1117-3V3_modsocket_lm2596_mod

Minus main bill of materials (BOM)

10 components, 9 distinct parts.

QtyPartRefs
1
socket_leon_x3_dil64
U1
1
socket_ams1117-3V3_mod
U2
1
socket_lm2596_mod
U4
1
CONN_01X05
P1
2
CONN_01X05
P2, P4
1
CONN_01X02
P3
1
CONN_01X06
P5
1
arduino_shield
SHIELD1
1
TEST_1P
W1

Minus main design files

The KiCad project lives in the cogip/pcb-main repository on GitHub; these links point at the commit this page was built from.

Minus main: common questions

What microcontroller does the Minus main use?

The Minus main is built around the arduino_shield, from the AVR/Arduino family.

How big is the Minus main PCB?

The Minus main measures 2.5 × 2.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Minus main?

10 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the Minus main design files?

From the cogip/pcb-main repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Minus main design in my own project?

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

Can I test firmware for the Minus main 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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