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IDM-RoomSensor-Classic

Xerolux·IDM-Smart-Climate-Platform·hardware/classic-sensor/IDM-RoomSensor-Classic.kicad_pcb

IDM-RoomSensor-Classic PCB layout, top view — open source AVR/Arduino board by Xerolux

About the IDM-RoomSensor-Classic PCB

IDM-RoomSensor-Classic is an open source AVR/Arduino PCB design by Xerolux, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 38 × 28 mm, with 6 components from 6 distinct parts.

Its main chip is the ATTINY1616, from the AVR/Arduino family. Other key parts include the BUCK_24V_5V, SHT45 and MCP4725_OPA197. By type, the board carries 4 ICs and 1 connector.

It belongs with the sensors designs in this gallery.

From the project

The orderable PCB revision is B-ES1, a bench-test engineering sample using an ATtiny1616, SHT45, MCP4725 and OPA197. It is powered from the protected 24 V input and provides a passive KTY81/210 path plus a nominal 0-10 V humidity output.

The orderable PCB revision is B-ES1, a bench-test engineering sample using an ATtiny1616, SHT45, MCP4725 and OPA197. It is powered from the protected 24 V input and provides a passive KTY81/210 path plus a nominal 0-10 V humidity output.

- PCB source: IDM-RoomSensor-Classic-B-ES1.kicadpcb - Schematic: IDM-RoomSensor-Classic-B-ES1.kicadsch - Gerber/drill ZIP: manufacturing/B-ES1/IDM-RoomSensor-Classic-B-ES1-fabrication.zip - Exact BOM: manufacturing/B-ES1/B-ES1-BOM.csv

Main components on the IDM-RoomSensor-Classic

BUCK_24V_5VATTINY1616SHT45MCP4725_OPA197

IDM-RoomSensor-Classic bill of materials (BOM)

6 components, 6 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
BUCK_24V_5V
U1
1
ATTINY1616
U2
1
SHT45
U3
1
MCP4725_OPA197
U4
1
IDM_4PIN
J1
1
KTY81-210
RTH1

IDM-RoomSensor-Classic design files

The KiCad project lives in the Xerolux/IDM-Smart-Climate-Platform repository on GitHub; these links point at the commit this page was built from.

IDM-RoomSensor-Classic: common questions

What microcontroller does the IDM-RoomSensor-Classic use?

The IDM-RoomSensor-Classic is built around the ATTINY1616, from the AVR/Arduino family.

How big is the IDM-RoomSensor-Classic PCB?

The IDM-RoomSensor-Classic measures 38 × 28 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the IDM-RoomSensor-Classic?

6 components, from 6 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 IDM-RoomSensor-Classic design files?

From the Xerolux/IDM-Smart-Climate-Platform repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the IDM-RoomSensor-Classic design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which Xerolux chose for the repository.

Can I test firmware for the IDM-RoomSensor-Classic 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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