HardLabs

ArtDecoEarrings

sawaiz·artDecoEarrings·pcb/artDecoEarrings.kicad_pcb

ArtDecoEarrings PCB layout, top view — open source AVR/Arduino board by sawaiz
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About the ArtDecoEarrings PCB

ArtDecoEarrings is an open source AVR/Arduino PCB design by sawaiz, published on GitHub. It is a 2-layer board measuring 38.9 × 6.6 mm, with 17 components from 9 distinct parts.

Its main chip is the ATTINY85-20MU, from the AVR/Arduino family. Other key parts include the MIC5365-3.3YMT-TZ and LSM6DSMTR. By type, the board carries 8 diodes, 3 ICs, 3 capacitors and 2 resistors.

It belongs with the sensors and power & battery designs in this gallery.

From the project

Shimmering electronic earrings in the Art Deco style.

The earrings use an IMU, sensing changes in acceleration and rotation and based on the magnitude of the change, the brightness is set. Each of the three axes of motion are mapped to a color so the color depends on the way you move.

The schematic.pdf version is also available.

The device is programed with a Tag-Connect TC2030 programing header that has the corresponding ICSP contacts on the back of the board along with the needed locating pins.

Main components on the ArtDecoEarrings

MIC5365-3.3YMT-TZATTINY85-20MULSM6DSMTR

ArtDecoEarrings bill of materials (BOM)

17 components, 9 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MIC5365-3.3YMT-TZ
MIC5365-3.3YD5
Microchip
U1
1
ATTINY85-20MU
ATtiny85-20MU
Microchip
U2
1
LSM6DSMTR
LSM6DSM
STMicroelectronics
U3
1
earringHookWire
H1
8
WS2812B-2020
WorldSemi
D1, D2, D3, D4, D5, D6, D7, D8
1
CL05A105KQ5NNNC
1u
Samsung
C1
1
JMK105BJ225KV-F
2u2
Taiyo Yuden
C2
1
885012105010
0u1
Wuerth Elektronik
C3
2
RMCF0402JT10K0
10k
Stackpole Electronics
R1, R2

ArtDecoEarrings design files

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

ArtDecoEarrings: common questions

What microcontroller does the ArtDecoEarrings use?

The ArtDecoEarrings is built around the ATTINY85-20MU, from the AVR/Arduino family.

How big is the ArtDecoEarrings PCB?

The ArtDecoEarrings measures 38.9 × 6.6 mm, has 2 copper layers and is 0.1016 mm thick.

How many components are on the ArtDecoEarrings?

17 components, from 9 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the ArtDecoEarrings design files?

From the sawaiz/artDecoEarrings repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the ArtDecoEarrings design in my own project?

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

Can I test firmware for the ArtDecoEarrings 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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