Hardware: PCB Assembly

Parts

Parts List

Mechanical Drawing for RJ connectors.

Assembly

1. Insert the 2x20 female header from the bottom side of the board.

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  1.1 Insert the header from the bottom.

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  1.2 Solder one pin on each end.

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  1.3 Check the connector for alignment.

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  1.4 Melt solder and straighten.

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  1.5 Solder the rest of the pins.

1. Solder the header on the top (component, silk screen) side of the board.
2. Install the following resistors:
   1. R1 330
   2. R2 200K
   3. R3 1K
   4. R4 2.2K
   5. R5 2.2K
   6. R6 1K
3. Install RJ1 and RJ2. Be very careful to check that all the leads are in the holes before you snap it in place.
4. Install 1x4 and 1x6 male headers for the HX711 board.
5. Insert the 1x4 and 1x6 female headers on the make headers.
6. Install the HX711 board on the 1x4 and 1x6 female headers.
7. Install LED D1.
8. Install C1 4.7 mfd. Observe polarity.
9. Install C3 .1 mfd. for rain gauge filter.
10. Install 12 VDC power supply if used. See below for option 1 or 2.

Power Supply 1

1. Install four 1x2 male headers.
2. Install blue screw terminal block.
3. Install four 1x2 female headers on the four 1x2 male headers.
4. Install the Power Supply board on the four 1x2 female headers.

power Supply 2

1. Install Fulree voltage regulator
2. Install green spring terminal block.