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Bastl Instruments Spa Assembly Manual

Grandpa expander v1.1
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SPA (GRANDPA EXPANDER) v1.1 ­ Assembly Guide 
 
 
INTRODUCTION 
 
This guide is for building Spa module from Bastl Instruments. It is good to have basic soldering skills and
 
   
 
to be able to identify electronic components before starting this kit. However if you have never soldered
 
 
   
 
before, check out this ​
 
 
 
 
help you solder everything faster and better. 
 
The Spa module consists of two boards. All the parts comes in three bags separated for Top board,
 
 
 
Bottom board and Assembly parts. See Bill of Materials ( ​
 
  ​
h
ttp://www.instructables.com/id/How­to­solder/ 
1
bastl­instruments.com 
 
 
 
 
 
 
t utorial first
 
1
. We even included some of the best quality solder we have found to
 
 
   
 
 
 
     
 
 
 
 
 
   
 
 
 
 
   
B OM ​
)  for detailed list. 
1 
last update: 6. 5. 2016 
 
   
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 

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Summary of Contents for Bastl Instruments Spa

  • Page 1     SPA (GRANDPA EXPANDER) v1.1 ­ Assembly Guide  bastl­instruments.com        INTRODUCTION    This guide is for building Spa module from Bastl Instruments. It is good to have basic soldering skills and                        ...
  • Page 2     Before starting this kit, prepare the following tools :  ● Soldering iron (15­20W)  ● Multi­meter  ● Flush cutters  ● n2. hex screwdriver or allen key (enclosed with kit)  ● Phillips screwdriver (cross)  ● Wrench No. 8  ● Protective eyewear    We suggest that you work in a clean and a well lit and ventilated environment to avoid accidents or        ...

  • Page 3: Bottom Board

    BOTTOM BOARD    Let’s start with the bottom board. Solder in the 10k ​ r esistor​ . Then snip the leads as close to the PCB as                              ...

  • Page 4: Top Board

      Turn around the PCB and insert             ​ m ale     solder     pinheaders (6 pin, 2x5 pin). Be             careful to solder the pinheaders      ...
  • Page 5     To ensure that the headers are properly aligned, screw the  ​ h ex  screw ​ a nd the  ​ 1 1 mm spacer​   (nut ­ nut) on bottom board. Place  the  ​ f emale headers on bottom board with the male pins  inserted​ .   ​ C onnect the boards together​   and mount them with the  other spacer ( ​ 1 0 mm​   one, screw ­ nut). Now you can  ​ s older the  headers​   on both boards.    Unscrew the spacer on top and disconnect the two boards. Next place the four ​ p otentiometers ​ ( B100k)  ...
  • Page 6 Congratulations! You have made it through. Now just connect the bottom board, add the knobs, connect                                 Spa with the Grandpa (see the  ​ m anual ​ )  and you are ready to enjoy your new module!        6 ...

  • Page 7: Troubleshooting

    Before you connect anything, make sure that your system is disconnected from power. Also double                               check the polarity of the ribbon cable, the red cable should match the ­12V rail both on the module and  ...