HardLabs

LEC009002

LECTIX·LEC009002-D-tecteur-IR·hardware/carte-mere/LEC009002.kicad_pcb

LEC009002 PCB layout, top view — open source AVR/Arduino board by LECTIX

About the LEC009002 PCB

LEC009002 is an open source AVR/Arduino PCB design by LECTIX, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 69 × 32 mm, with 30 components from 17 distinct parts.

Its main chip is the ATTINY24A-SSU, from the AVR/Arduino family. Other key parts include the MC78M05_TO252. By type, the board carries 9 resistors, 5 connectors, 5 capacitors, 3 transistors, 3 diodes and 2 ICs.

From the project

- Distance de détection réglable jusqu’à 10 cm - Fonctionne même à la lumière du jour! - Temporisation à la désactivation pour éviter des réactivations intempestives. - 2 modes de fonctionnements :

- Distance de détection réglable jusqu’à 10 cm - Fonctionne même à la lumière du jour! - Temporisation à la désactivation pour éviter des réactivations intempestives. - 2 modes de fonctionnements :

1. Mode direct (1 capteur) le relais est commuté lorsqu’un objet se trouve en face du capteur. Le relais est relâché lorsqu’il n’y a plus d’obstacles devant le capteur. 2. Mode bistable (2 capteurs) Le relais est relâché lorsqu’un objet passe devant le second capteur.

LEC009002, from the project README
From the project README

Main components on the LEC009002

ATTINY24A-SSUMC78M05_TO252

LEC009002 bill of materials (BOM)

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

QtyPartRefs
1
ATTINY24A-SSU
ATtiny24A-SSU
U1
1
MC78M05_TO252
U2
3
S8050
Q1, Q2, Q3
1
C395849
PWR
J1
1
CONTACT_1
J3
1
CONTACT2
J4
2
IDC6
J5, J6
1
HK19F-5V
K1
2
100K
100k
RV1, RV2
1
MB10S
D1
1
LED
D2
1
C95872
D
D3
3
100NF
100nF
C1, C3, C4
2
100UF
100uF
C2, C5
2
10K
10k
R1, R5
5
1k
R2, R3, R4, R8, R9
2
100
R6, R7

LEC009002 design files

The KiCad project lives in the LECTIX/LEC009002-D-tecteur-IR repository on GitHub; these links point at the commit this page was built from.

LEC009002: common questions

What microcontroller does the LEC009002 use?

The LEC009002 is built around the ATTINY24A-SSU, from the AVR/Arduino family.

How big is the LEC009002 PCB?

The LEC009002 measures 69 × 32 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LEC009002?

30 components, from 17 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 LEC009002 design files?

From the LECTIX/LEC009002-D-tecteur-IR 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 LEC009002 design in my own project?

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

Can I test firmware for the LEC009002 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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