HardLabs

Cbs badge

cbs-ntcore·cbs_badge·cbs_badge/cbs_badge.kicad_pcb

Cbs badge PCB layout, top view — open source AVR/Arduino board by cbs-ntcore

About the Cbs badge PCB

Cbs badge is an open source AVR/Arduino PCB design by cbs-ntcore, published on GitHub. It is a 2-layer board measuring 38.1 × 38.1 mm, with 12 components from 8 distinct parts.

Its main chip is the ATtiny45-20SU, from the AVR/Arduino family. By type, the board carries 4 resistors, 3 diodes, 1 IC, 1 connector, 1 battery holder and 1 switch.

It belongs with the wearables designs in this gallery.

From the project

This badge is designed to highlight digital fabrication techniques that are commonly used in the Neurotechnology Core(NTCore) at the Center for Brain Science at Harvard University.

This badge is designed to highlight digital fabrication techniques that are commonly used in the Neurotechnology Core(NTCore) at the Center for Brain Science at Harvard University.

The NTCore works to accelerate and advance scientific progress through: - design and fabrication of novel instrumentation - user training and access to a shared fabrication space - consultation on instrumentation use, design, fabrication, and purchase

Cbs badge, from the project README
From the project README

Main components on the Cbs badge

ATtiny45-20SU

Cbs badge bill of materials (BOM)

12 components, 8 distinct parts.

QtyPartRefs
1
ATtiny45-20SU
U1
1
AVR-ISP-6
J1
1
Battery_Cell
BT1
1
TOUCH
SW1
3
LED
D1, D2, D3
1
100nF
C1
3
470
R1, R2, R3
1
10M
R4

Cbs badge design files

The KiCad project lives in the cbs-ntcore/cbs_badge repository on GitHub; these links point at the commit this page was built from.

Cbs badge: common questions

What microcontroller does the Cbs badge use?

The Cbs badge is built around the ATtiny45-20SU, from the AVR/Arduino family.

How big is the Cbs badge PCB?

The Cbs badge measures 38.1 × 38.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cbs badge?

12 components, from 8 distinct parts. The full bill of materials is listed on this page.

Where can I download the Cbs badge design files?

From the cbs-ntcore/cbs_badge repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Cbs badge design in my own project?

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

Can I test firmware for the Cbs badge 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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