Airrohr
hbitter·DNMS·PCBs/Airrohr-PCB/old versions/Airrohr-PCB-V1.4/Airrohr_pcb.kicad_pcb
About the Airrohr PCB
Airrohr is an open source PCB design by hbitter, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 68.6 × 71.1 mm, with 22 components from 15 distinct parts.
Other key parts include the 3.12, 5.79, P82B715P and P82B715DR. By type, the board carries 12 connectors, 5 resistors, 4 ICs and 1 capacitor.
It belongs with the sensors and test & measurement designs in this gallery.
From the project
Digital Noise Measurement Sensor
PCB Versions Historie: - ICS-43434-PCB-V1.3 - erste veröffentlichte Version - ICS-43434-PCB-V1.4 - Durchmesser für die akustische Öffnung geändert con 0,6mm auf 0,7mm
PCB Versions Historie: - Airrohr-V1.1 - erste Version - Airrohr-V1.2 - I²C-Bus Verlängerung mit zusätzlicher RJ-12 (Modular Jack) 6P/6C Buchse - Airrohr-V1.4 - RJ12 Buchse nun für zwei unterschiedliche "Footprints" und in der Ausrichtung geändert - einige Bauelemente nach innen verschoben, damit der Einbau in ein Gehäuse (Rohr) einfacher ist - P82B715 (I²C-bus Extender IC) kann im DIP8 Gehäuse oder im SO8 Gehäuse bestückt…

Main components on the Airrohr
Airrohr bill of materials (BOM)
22 components, 15 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 3.12 NodeMCU V3 diverse | NodeMCU-LoLinV3 | U1 |
| 1 | 5.79 NodeMCU V2 diverse | NodeMCU_Amica_R2 | U2 |
| 1 | P82B715P P82B715PN Texas Instruments | DIP254P762X420-8 | U3 |
| 1 | P82B715DR Texas Instruments | SOIC8 | U4 |
| 1 | S5B-XH-A Conn_01x05 JST | JST_XH_S5B-XH-A-1_1x05_P2.50mm_Horizontal | J1 |
| 1 | 50500020134G Screw_Terminal_01x02 PTR | TerminalBlock_1x02_P2,54mm_P5.08mm_Horizontal | J2 |
| 1 | 10129378-902001BLF Conn_01x02_Male Amphenol FCI | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 6 | G800W304018EU Conn_01x04_Male A+D10:P10mphenol Commercial Products | PinHeader_1x04_P2.54mm_Vertical | J4, J6, J7, J8, J9, J10 |
| 1 | 0.53 Conn_01x05 JST | JST_ZH_S5B-EH_1x05_P1.50mm_Horizontal | J5 |
| 1 | 54601-906WPLF RJ12 Amphenol FCI | RJ12_Amphenol_54601 | J11 |
| 1 | E5566-Q0LK22-L RJ12 Pulse Electronics | RJ12_Pulse_E5566Q0LK22L | J12 |
| 1 | K104K15X7RF53H5L 100nF Vishay | C_THT_100nF_L9.0mm_W2.0mm_P5.00mm_P7.50mm | C1 |
| 1 | CCF0710K0JKE36 10k Vishay | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1 |
| 2 | CCF074K70JKE36 4k7 Vishay | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R3 |
| 2 | CCF07330RJKE36 330 Vishay | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R5 |
Airrohr design files
The KiCad project lives in the hbitter/DNMS repository on GitHub; these links point at the commit this page was built from.
Airrohr: common questions
How big is the Airrohr PCB?
The Airrohr measures 68.6 × 71.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Airrohr?
22 components, from 15 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 Airrohr design files?
From the hbitter/DNMS repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Airrohr design in my own project?
Yes, under the terms of its GPL-3.0 license, which hbitter chose for the repository.
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