Difference between revisions of "Hardware: PCB Assembly"
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==Assembly== | ==Assembly== | ||
| − | 1.Insert the 2x20 female header from the bottom side of the board. | + | |
| + | ===Install 40 pin header=== | ||
| + | 1. Insert the 2x20 female header from the bottom side of the board. | ||
<gallery mode=packed heights=200px> | <gallery mode=packed heights=200px> | ||
Image:Shot0005.jpg|'''1.1 Insert the header from the bottom.''' | Image:Shot0005.jpg|'''1.1 Insert the header from the bottom.''' | ||
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</gallery> | </gallery> | ||
| − | + | ===Install the resistors=== | |
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
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</gallery> | </gallery> | ||
| − | + | ===Install male headers=== | |
# H8 1x4 and H9 1x6 for the HX711 board. | # H8 1x4 and H9 1x6 for the HX711 board. | ||
# H4 1x4 for console serial port | # H4 1x4 for console serial port | ||
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</gallery> | </gallery> | ||
| − | + | ===Install RJ1 and RJ2=== | |
| + | Be very careful to check that all the leads are in the holes before you snap it in | ||
#Insert the 1x4 and 1x6 female headers on the make headers. | #Insert the 1x4 and 1x6 female headers on the make headers. | ||
Revision as of 06:26, 23 January 2016
Contents
Parts
Mechanical Drawing for RJ connectors.
Board Layout
Assembly
Install 40 pin header
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.
- Error creating thumbnail: File missing
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.
2. Solder the header on the top (component, silk screen) side of the board.
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2.1 Solder the rest of the pins.
Install the resistors
| R1 | 330 | Controls brightness of LED |
| R2 | 200K | 12 V monitoring voltage divider |
| R3 | 1K | 12 V monitoring voltage divider |
| R4 | 2.2K | 12 V monitoring Reference voltage divider |
| R5 | 2.2K | 12 V monitoring Reference voltage divider |
| R6 | 1K | Rain gauge input filter |
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1.1 Insert the resistors.
Install male headers
- H8 1x4 and H9 1x6 for the HX711 board.
- H4 1x4 for console serial port
1.2
Install RJ1 and RJ2
Be very careful to check that all the leads are in the holes before you snap it in
- Insert the 1x4 and 1x6 female headers on the make headers.
- Install the HX711 board on the 1x4 and 1x6 female headers.
- Install LED D1.
- Install C1 4.7 mfd. Observe polarity.
- Install C3 .1 mfd. for rain gauge filter.
- Install 12 VDC power supply if used. See below for option 1 or 2.
Power Supply 1
- Install four 1x2 male headers.
- Install blue screw terminal block.
- Install four 1x2 female headers on the four 1x2 male headers.
- Install the Power Supply board on the four 1x2 female headers.
power Supply 2
- Install Fulree voltage regulator
- Install green spring terminal block.
