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. | |
<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.''' | ||
| Line 16: | Line 16: | ||
Image:Shot0010.jpg|'''1.3 Check the connector for alignment.''' | Image:Shot0010.jpg|'''1.3 Check the connector for alignment.''' | ||
Image:Shot0011.jpg|'''1.4 Melt solder and straighten.''' | Image:Shot0011.jpg|'''1.4 Melt solder and straighten.''' | ||
| − | |||
</gallery> | </gallery> | ||
| − | + | ||
| + | 2. Solder the header on the top (component, silk screen) side of the board. | ||
| + | <gallery mode=packed heights=200px> | ||
| + | Image:Shot0012.jpg|'''2.1 Solder the rest of the pins.''' | ||
| + | </gallery> | ||
| + | |||
#Install the following resistors: | #Install the following resistors: | ||
##R1 330 | ##R1 330 | ||
Revision as of 20:05, 22 January 2016
Contents
Parts
Mechanical Drawing for RJ connectors.
Board Layout
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.
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 following resistors:
- R1 330
- R2 200K
- R3 1K
- R4 2.2K
- R5 2.2K
- R6 1K
- Install RJ1 and RJ2. Be very careful to check that all the leads are in the holes before you snap it in place.
- Install 1x4 and 1x6 male headers for the HX711 board.
- 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.
