Octoshield

Octoshield is a Raspberry Pi shield to help with 3D printing and Octoprint.

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Description

Octoshield is a Raspberry Pi shield to help with 3D printing and adding features to Octoprint.

Details

This project is made to help using the Enclosure plugin available for Octoprint by providing a simple interface to connect RGB LEDs, fan, input switch, temperature sensor and more.

The Octoshield also include a buck regulator to power a Raspberry Pi with a 12v supply.

Be careful to set it to 5v before connecting ANYTHING !

Here is the Enclosure plugin : https://plugins.octoprint.org/plugins/enclosure/

The plugin is realy easy to use and allow you to configure inputs and outputs using the GPIO pins.

Here is the pinout used :

Raspberry	Direction	Fonction
GPIO_4	Input	Data line for DHT11/22
GPIO_5	Input	Button input (ON/OFF)
GPIO_9	Output	Neopixel data line
GPIO_17	Output	Red channel (PWM)
GPIO_18	Output	Relay command pin (ON/OFF)
GPIO_22	Output	Blue channel (PWM)
GPIO_23	Output	12v fan command pin (PWM)
GPIO_27	Output	Green channel (PWM)

Files

components list example.xls Componants list from Mouser ms-excel - 113.00 kB - 06/05/2020 at 20:31		Download
octoshield v2.0.zip Kicad project x-zip-compressed - 229.29 kB - 06/05/2020 at 19:01		Download
gerber.zip Gerber files for manufacturing x-zip-compressed - 145.48 kB - 06/05/2020 at 18:58		Download

Components

1 × Capacitor SMD 1206 4.7µF capacitor
3 × 220Ω Resistor SMD 1206 220Ω resistor
1 × 12V DC Jack BarrelJack_Wuerth_6941xx301002
2 × 3 pins fan header FanPinHeader_1x03_P2.54mm
1 × 4 pins header PinHeader_1x04_P2.54mm

View all 18 components

Build Instructions

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1

Build Instructions

The board is using a mix of SMD and THT components but everything can be solder with a simple soldering iron, starting with all the SMDs before the through hole components on the top face and then the bottom face.
2

Plugin configuration

The board was design to be used with the Enclosure plugin, of course you should start by installing it.

Configuration is done by going into Settings/Enclosure Plugin, here you can configure inputs and outputs as you want.