Assembly

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Overview of parts

Requirements:

  1. Screwdriver
  2. Solder Iron
  3. Solder
  4. Flux
  5. 3D Printer / 3d printing service
  6. bcMeter Parts

Component locations 5V bcMeter PCB

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Introduction to bcMeter 5V





1. Start assembling by soldering the smallest parts first (MMBT3904 + MCP3426).

  • BcMeter-assembly0000.jpg
  • BcMeter-assembly0001.jpg


2. Then add THT passive parts piece by piece, the Pi Header (or connector) according to description on the PCB and the BOM.

  • BcMeter-assembly0002.jpg
  • BcMeter-assembly0003.jpg
  • BcMeter-assembly0004.jpg
  • BcMeter-assembly0005.jpg


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).

  • BcMeter-assembly0006.jpg
  • BcMeter-assembly0007.jpg
  • BcMeter-assembly0008.jpg
  • Sensor-emitter-brackets.jpg
  • BcMeter-assembly0009.jpg

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.

  • BcMeter-assembly0016.jpg
  • Brackets-in-lower-case.jpg


5. Put pump in place and do a test run for leakage.

  • Pump.jpg
  • BcMeter-assembly0015.jpg


6. Secure the raspberry with 3d printed brackts

  • BcMeter-assembly0018.jpg
  • BcMeter-assembly0020.jpg


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.

  • BcMeter-assembly0012.jpg
  • BcMeter-assembly0013.jpg
  • BcMeter-assembly0022.jpg


8. Put filter paper on top of the rubber, screw the intake part on top and continue with software configuration.

  • BcMeter-assembly0021.jpg
  • BcMeter-assembly0023.jpg
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