HardLabs

Avr ledprojection-0402

cnlohr·avr_ledprojector

Avr ledprojection-0402 PCB layout, top view — open source AVR/Arduino board by cnlohr

About the Avr ledprojection-0402 PCB

Avr ledprojection-0402 is an open source AVR/Arduino PCB design by cnlohr, published on GitHub under the MIT license. It is a 2-layer board measuring 25.4 × 34.5 mm, with 91 components from 12 distinct parts.

Its main chip is the ATTINY441, from the AVR/Arduino family. Other key parts include the MCP1824, MCP23008, MCP1804v5 and 150. By type, the board carries 69 diodes, 12 ICs, 6 connectors, 3 capacitors and 1 resistor.

It belongs with the sensors designs in this gallery.

From the project

Using an AVR with an mlx90614 to project temperatures!

(Readme may be worked on soon... maybe... if you care, open an issue and I'll write it)

Main components on the Avr ledprojection-0402

ATTINY441MCP1824MCP23008MCP1804v5150

Avr ledprojection-0402 bill of materials (BOM)

91 components, 12 distinct parts.

QtyPartRefs
1
ATTINY441
U1
1
MCP1824
U2
3
MCP23008
U3, U4, U5
1
MCP1804v5
U6
6
150
U7, U8, U9, U10, U11, U12
1
AVRISP6
J1
1
6MULTI
P1
2
VPP
P2, P4
2
VSS
P3, P5
69
LED
D1, D2, D3, D4, D5, D6, D7, D8 +61
3
10u
C2, C3, C4
1
2.2k
RN1

Avr ledprojection-0402 design files

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

Avr ledprojection-0402: common questions

What microcontroller does the Avr ledprojection-0402 use?

The Avr ledprojection-0402 is built around the ATTINY441, from the AVR/Arduino family.

How big is the Avr ledprojection-0402 PCB?

The Avr ledprojection-0402 measures 25.4 × 34.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Avr ledprojection-0402?

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

Where can I download the Avr ledprojection-0402 design files?

From the cnlohr/avr_ledprojector repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Avr ledprojection-0402 design in my own project?

Yes, under the terms of its MIT license, which cnlohr chose for the repository.

Can I test firmware for the Avr ledprojection-0402 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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