Rauchmelder 3.6
About the Rauchmelder 3.6 PCB
Rauchmelder 3.6 is an open source NXP PCB design by selfbus, published on GitHub. It is a board measuring 38 × 65 mm, with 59 components from 44 distinct parts.
Its main chip is the LPC1115, from the NXP family. Other key parts include the BD9G101 and EIB. By type, the board carries 20 resistors, 17 capacitors, 9 diodes, 3 ICs, 3 transistors and 2 inductors.
From the project
Hardware for KNX devices
This module is a well tested interface to get your Dual Q smoke detectors connected to your KNX bus.
The unversioned Rauchmelder.sch and Rauchmelder.brd files are the development files. Once a new version is released, a corresponding copy of the files with the release version appended to the file name are provided.
Project documentation: https://selfbus.org/wiki/devices/sensors/6-smoke-detector-module Forum discussions: https://selfbus.org/forum/app.php/tag/Rauchmelder
Main components on the Rauchmelder 3.6
Rauchmelder 3.6 bill of materials (BOM)
59 components, 44 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LPC1115 | LQFP48 | IC2 |
| 1 | BD9G101 | SOT23-6 | IC3 |
| 1 | EIB | BUSKLEMME243-724 | U$1 |
| 1 | BC856 | SOT23-BEC | Q1 |
| 1 | BCP52 | SOT223 | Q3 |
| 1 | ASF | ASF | Q4 |
| 1 | PINHD-2X7 | 2X07 | JP1 |
| 1 | J | 2X05M | JTAG1 |
| 1 | 10-XX | B3F-10XX | S1 |
| 1 | BC847C | SOT23 | T1 |
| 1 | LED3MM | R1206 | LED1 |
| 1 | BAT46 | MINIMELF | D2 |
| 3 | 1N4148 | MINIMELF | D3, D4, D8 |
| 1 | SMAJ40 | SMBJ | D5 |
| 1 | 12V | MINIMELF | D6 |
| 1 | 3V6 | MINIMELF | D7 |
| 1 | 7,5V | MINIMELF | D10 |
| 1 | MBRS1100 | SMA | D100 |
| 1 | 150mH | BS11 | L2 |
| 1 | 6.8µH | PIS2812 | L3 |
Show 24 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | 100n | C1206 | C1, C3, C20 |
| 1 | 1µF | C1206 | C2 |
| 4 | 10n | C1206 | C4, C8, C11, C13 |
| 1 | 100µ | SANYO-OSCON_SMD_C6 | C5 |
| 1 | 4.7µF/50V | C1206K | C7 |
| 1 | 330µ | E3,5-8 | C9 |
| 1 | 100nF | C1206 | C10 |
| 1 | 220p | C1206 | C12 |
| 1 | 22µ/10V | C1206 | C15 |
| 1 | 270n | C1206 | C16 |
| 1 | 15nF | C1206 | C17 |
| 1 | 100p | C1206 | C18 |
| 4 | 10k | R1206 | R1, R3, R5, R19 |
| 1 | 2k2 | R1206 | R4 |
| 4 | 100k | R1206 | R6, R9, R15, R21 |
| 1 | 47k | R1206 | R7 |
| 1 | 5R6 | R1206 | R8 |
| 3 | 1k | R1206 | R11, R13, R18 |
| 1 | 5k6 | R1206 | R12 |
| 1 | 82k | R1206 | R14 |
| 1 | 22k | R1206 | R16 |
| 1 | 91k | R1206 | R17 |
| 1 | 2k4 | R1206 | R25 |
| 1 | 680R | R1206 | R26 |
Rauchmelder 3.6 design files
The KiCad project lives in the selfbus/hardware-merged repository on GitHub; these links point at the commit this page was built from.
Rauchmelder 3.6: common questions
What microcontroller does the Rauchmelder 3.6 use?
The Rauchmelder 3.6 is built around the LPC1115, from the NXP family.
How big is the Rauchmelder 3.6 PCB?
The Rauchmelder 3.6 measures 38 × 65 mm and is 1.6 mm thick.
How many components are on the Rauchmelder 3.6?
59 components, from 44 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 Rauchmelder 3.6 design files?
From the selfbus/hardware-merged repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Rauchmelder 3.6 design in my own project?
The repository has no license, so all rights stay with selfbus. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Rauchmelder 3.6 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug NXP firmware against it before you order a PCB.
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