HardLabs

Slice IOCT

feastorg·Slice_IOCT·hardware/BREAD_Slice.kicad_pcb

Slice IOCT PCB layout, top view — open source AVR/Arduino board by feastorg

About the Slice IOCT PCB

Slice IOCT is an open source AVR/Arduino PCB design by feastorg, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 70 × 100 mm, with 46 components from 26 distinct parts.

Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. Other key parts include the AP63205, LTV-817S and CPC1002N. By type, the board carries 13 resistors, 9 ICs, 9 capacitors, 4 connectors, 4 diodes and 3 switches.

It belongs with the sensors designs in this gallery.

From the project

Rugged digital I/O controller slice with isolated inputs and protected outputs for industrial sensors and actuators.

Rugged digital I/O controller slice with isolated inputs and protected outputs for industrial sensors and actuators.

Template for creating BREAD slices. Features Arduino Nano, small dimensions (70x100mm), 2 layers, and this is the second revision (TEMPNANOS2L-r2).

This Slice is designed to be a rugged digital input and output slice that can interface directly with 24V industrial sensors and actuators. It mimics a PLC-style IO module for the BREADS system. It prioritizes input protection, reliable switching, and compatibility with common field devices.

Main components on the Slice IOCT

AP63205LTV-817SCPC1002NArduino_Nano_v3.x

Slice IOCT bill of materials (BOM)

46 components, 26 distinct parts.

QtyPartRefs
1
AP63205
U1
4
LTV-817S
U2, U3, U4, U5
4
CPC1002N
U6, U7, U8, U9
1
Arduino_Nano_v3.x
A1
1
NTGS4111PT1G
Q1
1
1985195
J1
2
1990106
J2, J3
1
Conn_01x10_Socket
J4
1
Heatsink_Pad
HS1
1
SW_SPDT
SW1
2
SW_DIP_x04
SW2, SW3
1
1N4007
D1
1
WS2812B_5050
D2
1
MM3Z18VT1G
D3
1
SMAJ24CA
D4
1
4.7uH
L1
1
10u
C1
1
100nF
C2
2
22uF
C3, C4
1
47u 25V
C5
Show 6 more
QtyPartRefs
1
0.1u
C6
2
100n
C7, C9
1
10u
C8
1
100k
R1
8
1k
R2, R3, R4, R5, R6, R7, R8, R9
4
1.3k
R10, R11, R12, R13

Slice IOCT design files

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

Slice IOCT: common questions

What microcontroller does the Slice IOCT use?

The Slice IOCT is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.

How big is the Slice IOCT PCB?

The Slice IOCT measures 70 × 100 mm, has 2 copper layers and is 1.67 mm thick.

How many components are on the Slice IOCT?

46 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the Slice IOCT design files?

From the feastorg/Slice_IOCT repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Slice IOCT design in my own project?

Yes, under the terms of its GPL-3.0 license, which feastorg chose for the repository.

Can I test firmware for the Slice IOCT 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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