Difference between revisions of "Assembly"

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== Overview of parts ==
#REDIRECT [[Device assembly]]
[[File:Overview.jpg|500px|left]]<br clear=all>
 
'''Requirements:
# Screwdriver
#  Solder Iron
#  Solder
#  Flux
#  3D Printer / 3d printing service
#  [[bcMeter Parts]]
 
== Walkthrough ==
[https://player.vimeo.com/video/568114940 Time lapse of assembly]
 
'''This guide is for the general purpose 12V PCB which was designed for simplicity so as little as possible SMD components and parts with large footprints are used. '''
 
<br><br>
 
1. Start assembling by soldering the smallest parts first (MMBT3904 + MCP3426).
 
<gallery>
BcMeter-assembly0000.jpg
BcMeter-assembly0001.jpg
</gallery>
<br>
2. Then add THT passive parts piece by piece, the Pi Header (or connector) according to description on the PCB and the BOM.
 
<gallery>
BcMeter-assembly0002.jpg
BcMeter-assembly0003.jpg
BcMeter-assembly0004.jpg
BcMeter-assembly0005.jpg
 
</gallery>
 
 
3. Put IRL81A (IR Emitter) and LPT80A (Sensor) in brackets D and E - refer to overview above -  seal with hot glue and solder wires to the corresponding vias on the PCB. Long leg is anode (positive).
 
<gallery>
BcMeter-assembly0006.jpg
BcMeter-assembly0007.jpg
BcMeter-assembly0008.jpg
Sensor-emitter-brackets.jpg
BcMeter-assembly0009.jpg
</gallery>
 
4. Place adapters D and E (refer to overview above) in the case A and B. Emitter to top case. Seal with (hot) glue or tape. <br clear=all>
<gallery>
BcMeter-assembly0016.jpg
Brackets-in-lower-case.jpg
</gallery>
 
 
5. Put pump in place and do a test run for leakage.
 
<gallery>
pump.jpg
BcMeter-assembly0015.jpg
</gallery>
 
 
6. Secure the raspberry with 3d printed brackts
 
<gallery>
BcMeter-assembly0018.jpg
BcMeter-assembly0020.jpg
</gallery>
 
 
7. Put the rubber band (cut down to two peaces or use one) to prevent air leaks onto lower case, also add screw threads if you want to.
 
<gallery>
BcMeter-assembly0012.jpg
BcMeter-assembly0013.jpg
BcMeter-assembly0022.jpg
</gallery>
 
 
8. Put filter paper on top of the rubber, screw the intake part on top and continue with software configuration.
<gallery>
BcMeter-assembly0021.jpg
BcMeter-assembly0023.jpg
</gallery>

Latest revision as of 15:10, 8 March 2026

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