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AttentioLight-1 1LEDModule1

engemil·attentiolight-1-hardware·attentiolight-1-1ledmodule1/attentiolight-1-1ledmodule1.kicad_pcb

AttentioLight-1 1LEDModule1 PCB layout, top view — open source STM32 board by engemil

About the AttentioLight-1 1LEDModule1 PCB

AttentioLight-1 1LEDModule1 is an open source STM32 PCB design by engemil, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 20 × 10.5 mm, with 4 components from 4 distinct parts.

Its main chip is the STM32C071RBT6, from the STM32 family. By type, the board carries 2 connectors, 1 IC and 1 capacitor.

It belongs with the iot & wireless designs in this gallery.

From the project

AttentioLight-1 Hardware

The AttentioLight-1 is a personal light indicator. A status indicator in real-life, showing your availability or use it as a pomodoro focus timer, and more!

Designed to integrate with any device over USB-C, wirelessly, bluetooth, or WiFi. Connect it to your computer, smartphone, or use it as a stand-alone device.

- Microcontroller: STM32C071RBT6 - Wifi & BLE module: ESP32-C3-WROOM-02-N4 - USB-C (Power and Serial Communication) - User Button - Reset Button - Modular RGB LED Light connection - 3 x programming connectors (USB connector for the ESP32, JTAG connector for the ESP32, and SWD…

AttentioLight-1 1LEDModule1, from the project README
From the project README

Main components on the AttentioLight-1 1LEDModule1

STM32C071RBT6

AttentioLight-1 1LEDModule1 bill of materials (BOM)

4 components, 4 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
STM32C071RBT6
XL-5050RGBC-WS2812B
STMicroelectronics
U1
1
3220-14-0300-00
PREC003SAAN-RC
CNC Tech
J1
1
12401826E412A
PREC003SAAN-RC
Amphenol ICC
J2
1
CC0402KRX7R7BB104
100nF
YAGEO
C2

AttentioLight-1 1LEDModule1 design files

The KiCad project lives in the engemil/attentiolight-1-hardware repository on GitHub; these links point at the commit this page was built from.

AttentioLight-1 1LEDModule1: common questions

What microcontroller does the AttentioLight-1 1LEDModule1 use?

The AttentioLight-1 1LEDModule1 is built around the STM32C071RBT6, from the STM32 family.

How big is the AttentioLight-1 1LEDModule1 PCB?

The AttentioLight-1 1LEDModule1 measures 20 × 10.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the AttentioLight-1 1LEDModule1?

4 components, from 4 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 AttentioLight-1 1LEDModule1 design files?

From the engemil/attentiolight-1-hardware repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the AttentioLight-1 1LEDModule1 design in my own project?

Yes, under the terms of its CERN-OHL-P-2.0 license, which engemil chose for the repository.

Can I test firmware for the AttentioLight-1 1LEDModule1 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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