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ModBusRS485DualCableJunction

pe1mew·greenhouse-Controller·hardware/ModBusRS485DualCableJunction/pcb/ModBusRS485DualCableJunction.kicad_pcb

ModBusRS485DualCableJunction PCB layout, top view — open source board by pe1mew

About the ModBusRS485DualCableJunction PCB

ModBusRS485DualCableJunction is an open source PCB design by pe1mew, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 62.4 × 56.7 mm, with 14 components from 6 distinct parts.

By type, the board carries 8 jumpers, 4 connectors and 2 resistors.

It belongs with the sensors and displays & leds designs in this gallery.

From the project

A controller to control the windows in a greenhouse

An embedded controller for automated ventilation management of a single greenhouse. The controller reads internal climate (temperature and humidity) and external weather (wind speed and direction), and opens or closes three motorised ventilation windows to keep the climate within the setpoints configured by the farmer. A 4×4 keypad and 16×2 LCD provide local operation; optional WiFi and a built-in web GUI allow remote monitoring and configuration.

ModBusRS485DualCableJunction, from the project README
From the project README

ModBusRS485DualCableJunction bill of materials (BOM)

14 components, 6 distinct parts.

QtyPartRefs
2
215877-1
J1, J3
2
Modbus Stub
J2, J4
4
~
JP1, JP2, JP4, JP5
2
~
JP7, JP8
2
~
JP9, JP10
2
120
R1, R2

ModBusRS485DualCableJunction design files

The KiCad project lives in the pe1mew/greenhouse-Controller repository on GitHub; these links point at the commit this page was built from.

ModBusRS485DualCableJunction: common questions

How big is the ModBusRS485DualCableJunction PCB?

The ModBusRS485DualCableJunction measures 62.4 × 56.7 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ModBusRS485DualCableJunction?

14 components, from 6 distinct parts. The full bill of materials is listed on this page.

Where can I download the ModBusRS485DualCableJunction design files?

From the pe1mew/greenhouse-Controller repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the ModBusRS485DualCableJunction design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

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