HardLabs

IR-endstop-04

sl1pkn07·Prusa·Electronic Parts/MISC/MKxS-IR-sensor/rev.04/IR-endstop-04.kicad_pcb

IR-endstop-04 PCB layout, top view — open source AVR/Arduino board by sl1pkn07

About the IR-endstop-04 PCB

IR-endstop-04 is an open source AVR/Arduino PCB design by sl1pkn07, published on GitHub. It is a 2-layer board measuring 20.5 × 8 mm, with 8 components from 8 distinct parts.

Its main chip is the ATMEGA32U2, from the AVR/Arduino family. By type, the board carries 4 resistors, 1 IC, 1 transistor, 1 connector and 1 diode.

It belongs with the sensors designs in this gallery.

From the project

My Prusas. Official STLs for my Prusas printers. and other stuff

IR-endstop-04, from the project README
From the project README

Main components on the IR-endstop-04

ATMEGA32U2

IR-endstop-04 bill of materials (BOM)

8 components, 8 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
ATMEGA32U2
EE-SX1103
Microchip
U1
1
2N7002KT1G
TI
Q1
1
HDR10
CONN_01X03
On Shore
P1
1
SMAJ28A
BAT54KFILM
Diodes Inc
D2
1
22R
330R
Yageo
R1
1
22R
10k
Yageo
R2
1
200K
10k
Vishay Dale
R3
1
10R
56k
Yageo
R4

IR-endstop-04 design files

The KiCad project lives in the sl1pkn07/Prusa repository on GitHub; these links point at the commit this page was built from.

IR-endstop-04: common questions

What microcontroller does the IR-endstop-04 use?

The IR-endstop-04 is built around the ATMEGA32U2, from the AVR/Arduino family.

How big is the IR-endstop-04 PCB?

The IR-endstop-04 measures 20.5 × 8 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the IR-endstop-04?

8 components, from 8 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 IR-endstop-04 design files?

From the sl1pkn07/Prusa repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the IR-endstop-04 design in my own project?

The repository has no license, so all rights stay with sl1pkn07. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the IR-endstop-04 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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