HardLabs

Horloge accelerometer

malik019·horloge-accelerometer·design/horloge.kicad_pcb

Horloge accelerometer PCB layout, top view — open source AVR/Arduino board by malik019

About the Horloge accelerometer PCB

Horloge accelerometer is an open source AVR/Arduino PCB design by malik019, published on GitHub. It is a 2-layer board measuring 42 × 42 mm, with 69 components from 16 distinct parts.

Its main chip is the ATtiny814-SS, from the AVR/Arduino family. Other key parts include the TPS613222ADBV. By type, the board carries 29 capacitors, 24 diodes, 5 resistors, 4 switches, 2 ICs and 1 transistor.

It belongs with the displays & leds, sensors and wearables designs in this gallery.

From the project

Een compact, ultra-low-power PCB-ontwerp in KiCad voor een klok (horloge). Maakt gebruik van een ATtiny MCU, een ST LIS2DW12 accelerometer voor bewegingsdetectie en WS2812B-MINI RGB-leds

A compact, low-power embedded hardware platform featuring an Microchip ATtiny MCU integrated with an STMicroelectronics LIS2DW12 ultra-low-power accelerometer and WS2812B-MINI addressable RGB LEDs.

This repository houses the complete hardware development lifecycle, from schematic capture and board layout to manufacturing documentation.

Click here to watch the full project demonstration if the badge above doesn't open.

Main components on the Horloge accelerometer

TPS613222ADBVATtiny814-SS

Horloge accelerometer bill of materials (BOM)

69 components, 16 distinct parts.

QtyPartRefs
1
TPS613222ADBV
U1
1
ATtiny814-SS
U3
1
Si2319CDS
Q1
1
32KHz
Y1
1
Battery_Cell
BT1
4
SW_Push
SW1, SW2, SW3, SW4
1
Conn_01x03_Pin
upload_point1
24
WS2812B
D1, D2, D3, D4, D5, D6, D7, D8 +16
1
4.7uH
L1
1
2.2uF
C1
1
22uF
C2
1
100nF
C3
2
12.5pF
C4, C5
24
100nF
C9, C10, C11, C12, C13, C14, C15, C16 +16
4
10k
R1, R2, R3, R6
1
100
R7

Horloge accelerometer design files

The KiCad project lives in the malik019/horloge-accelerometer repository on GitHub; these links point at the commit this page was built from.

Horloge accelerometer: common questions

What microcontroller does the Horloge accelerometer use?

The Horloge accelerometer is built around the ATtiny814-SS, from the AVR/Arduino family.

How big is the Horloge accelerometer PCB?

The Horloge accelerometer measures 42 × 42 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Horloge accelerometer?

69 components, from 16 distinct parts. The full bill of materials is listed on this page.

Where can I download the Horloge accelerometer design files?

From the malik019/horloge-accelerometer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Horloge accelerometer design in my own project?

The repository has no license, so all rights stay with malik019. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Horloge accelerometer 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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