Difference between revisions of "BcMeter Parts"

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(Wiki update: sync with manual and dev docs (2026-03))
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#REDIRECT [[Bill of material]]
== Overview of parts and approx. costs ==
[[File:Overview.jpg|500px|left]]
<br clear=all>
 
== Membrane pump (~$160) - (TBD – cheaper solution will be available soon)<br> ==
[[File:1410-diaphragm-pumps-and-compressors.jpg|thumb|none|Stabilized membrane pump]]
 
 
== 3D Printed Parts ==
 
A: Upper Case (3D Printed)<br>
 
B: Lower Case(3D Printed)<br>
 
C: Intake manifold(3D Printed)<br>
 
D: LED/Sensor holder(3D Printed)<br>
 
E: LED/Sensor holder(3D Printed)
 
 
<br>''Print on any 3d printer or send to any service provider. Use black filament / resin. If possible, use flex filament or mix resin with flex resin. 200g Resin / FDM ~ $5-$10<br> - 3D printing service is more expansive (~$100)''<br>
 
 
STL for 3D Printing (SLA or FDM) [https://github.com/bcmeter/bcmeter github repository] or [https://bcmeter.org bcmeter.org])<br>
 
[[File:Bcmeter-general-purpose-case.jpg|500px|left]]<br clear=all>
 
 
== PCB of bcMeter (Raspberry Pi Hat) ==
F: We recommend the 5V PCB. Find gerber files for PCB fabrication on [https://github.com/bcmeter/bcmeter/tree/main/gerbers github]) ~$25 <br>
 
 
[[File:Bcmeter-smd.jpg|300px|alt=bcMeter SMD PCB for 5V and smaller pumps|bcMeter SMD PCB for 5V and smaller pumps]]
bcMeter SMD PCB for 5V and smaller pumps
 
 
[[File:Bcmeter-tht.jpg|300px|alt=bcMeter general purpose PCB for 12V and large pumps|bcMeter general purpose PCB for 12V and large pumps]]
bcMeter general purpose PCB for 12V, less accurate but more easy to assemble (THT)
 
== Components to be soldered on the PCB ==
 
See [[Bill of material]] for links to buy the following:
 
G: Components from mouser.com or anywhere else  (~60)
 
== Filter paper ==
H: Filter papers – Type TBD, tested with Pall T60A20 – ask local labs for availability<br> This is crucial, tell us what type you use, send us a sample and we find the correction factor to use. [[Filter_paper_correction_factor|Refer to Correction factors for different filter papers]]
 
Basically any filter works, the device just has to be calibrated against it.
 
== Additional material / Tools==
I: Additional material:<br>
See [[Bill of material]] for links to buy the following:
 
* 22-30 AWG Wire to connect the sensor and LED to PCB
* Hot Glue - use to seal air leaks around sensor brackets ~$7
* Rubber band (SHORE A) for sealing intake  ~$11
* Silicone hose 5mm inner diameter ~$5
* M3 Screws ~$3
* M3 threads ~$7
* microSD Card (4gb+)~$8 <br>

Latest revision as of 15:10, 8 March 2026

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