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guides:elektrosluchminicity [2016/11/02 16:32] – mrkvaguides:elektrosluchminicity [2017/10/08 12:53] – mrkva
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 ====== Building Elektrosluch Mini City ======  ====== Building Elektrosluch Mini City ====== 
 +//Updated 2. 10. 2017: Step 17//
 {{:guides:esluch_mini_city.jpg?nolink|}} {{:guides:esluch_mini_city.jpg?nolink|}}
  
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 [[http://youtu.be/J5Sb21qbpEQ | Soldering Tutorial Part by EEVblog Part 1]] & [[http://youtu.be/fYz5nIHH0iY|Part 2]] [[http://youtu.be/J5Sb21qbpEQ | Soldering Tutorial Part by EEVblog Part 1]] & [[http://youtu.be/fYz5nIHH0iY|Part 2]]
  
 +You can check the [[https://github.com/LOM-instruments/Elektrosluch-Mini-City/blob/master/hardware/elektrosluch_mini_city.pdf|schematic]] on our github, if you need to.
 ===== Required tools ===== ===== Required tools =====
  
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 <WRAP half column>  <WRAP half column> 
-5. Push the potentiometer onto the board until it snaps into place and solder it in.</WRAP>+5. Push the **potentiometer** onto the board until it snaps into place and solder it in.</WRAP>
 </WRAP> </WRAP>
  
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 <WRAP half column> <WRAP half column>
-7. **Solder in the two electrolytic capacitors.** Beware of their polarity, minus (-) is marked on the body and plus (+) is marked on the circuit board! Double check you are soldering them in correctly, it isn't easy to desolder them.</WRAP>+6. **Solder in the four polymer capacitors.** Beware of their polarity, minus (-) is marked by the pink color stripe and plus (+) is marked on the circuit board! Double check you are soldering them in correctly, it isn't easy to desolder them. You can use the photo as a reference.</WRAP>
 </WRAP> </WRAP>
  
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 <WRAP half column>  <WRAP half column> 
-8. **Put the knob on the potentiometer** (notice the "D-shaped" shaft). Then push it gently onto the board until it snaps into place and solder it in. +7. Remove the protective film from the sticky pads on the "antennae" of the circuit board and **place the inductors** as pictured. Solder them in.</WRAP>
- +
-9. Next **place the double sided sticky pads on the "antennae"** at the top of the circuit board as pictured.</WRAP>+
 </WRAP> </WRAP>
  
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 <WRAP half column>  <WRAP half column> 
-10. **Place the inductors**, so they are held by the sticky pads. Solder them in.</WRAP>+8. Prepare your **LED**. If you want it to appear as on the photos (as a city light above the street), shape it as pictured. Be careful about the polarity – longer lead is ⊕ (positive).</WRAP>
 </WRAP> </WRAP>
  
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 <WRAP half column>  <WRAP half column> 
-11. **Pop-in the integrated circuit chip into the socket.** Make sure you're placing it with the U shaped cutout towards to the antennae, as pictured. It might be necessary to change the angle of its legs so they fit snuggly. You can realign them easily by pressing them against a table.</WRAP>+9. Solder in the **LED**.</WRAP>
 </WRAP> </WRAP>
  
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 <WRAP half column>  <WRAP half column> 
- +10. (Optional) Pre-tin the leads of the battery connector with solder.</WRAP>
-12. **Solder in the LED.** Use the provided heat-shrink tubing to cover the LED legs. **The longer leg goes into to the right side hole.** Once placed, bend the LED as you see fit. +
- +
-13. **Solder the battery connector in place as pictured.** You can use the provided holes to pull the wires through – this will act as a strain relief for the connection. The red lead goes to the plus and black to the minus.</WRAP>+
 </WRAP> </WRAP>
  
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 <WRAP half column>  <WRAP half column> 
-14. (Optional) **Cover the battery with attached LOM sticker.** +11. Pull the wires through the hole next to the potentiometer as pictured and solder them in. This will act as a strain relief for the connection. The red lead goes to the plus and black to the minus.</WRAP>
- +
-15. **Check one more time if all the polarities (chip, capacitors, battery connector, battery) are correct.** Reversing the polarity might irreversibly damage the circuit. Attach the battery and turn on the device with the potentiometer (it has a built-in switch!). +
- +
-16. **Check whether the LED lights up.** Plug-in your headphones, turn the potentiometer almost all the way up and **listen if you can hear the buzzing and humming of the electricity** around you from both channels. +
- +
-17. **Now it is time to attach the battery holder to the bottom.** Make sure that the leads are cut as short as possible, so they won't protrude into the double sided tape used to attach the holder. They might otherwise create a short circuit and cause malfunction. Use the tape to attach the holder as pictured.</WRAP>+
 </WRAP> </WRAP>
  
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 <WRAP half column>  <WRAP half column> 
-18. **Insert the battery into the holder.**</WRAP>+12. ⚠️ __This step is omitted with newer version of the kit and the battery holder gets attached to the extra protective acrylic part at the bottom. See step 17.__ **Now it is time to attach the battery holder to the bottom.** Make sure that leads are cut as short as possible, so they won't make accidental contacts with the holder. Use the tape to attach the holder as pictured.</WRAP>
 </WRAP> </WRAP>
  
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 <WRAP half column>  <WRAP half column> 
-19. **Attach the front cover using the 8 screws and 4 stand-offs.**</WRAP>+13. Cover the battery with attached LOM sticker. This protects from parts on the board accidentaly shorting on the battery metallic body.\\ 
 +\\ 
 +14. **Check one more time if all the polarities (capacitors, battery connector, battery) are correct.** Reversing the polarity might irreversibly damage the circuit. Check whether the extended leads are not touch/scratchign the battery when placed in the holder. Attach the battery and turn on the device with the potentiometer (it has a built-in switch!).</WRAP>
 </WRAP> </WRAP>
  
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 <WRAP half column> <WRAP half column>
-20. **Voilá!** Enjoy your new Elektrosluch!</WRAP>+This is how it should look from the side.</WRAP> 
 +</WRAP> 
 + 
 +<WRAP group> 
 +<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-15.jpg?direct&600}}</WRAP> 
 + 
 +<WRAP half column> 
 +15. Put the **knob** on the potentiometer. It requires a bit of pressure, make sure you're holding the pot and pressing it against it, not against the whole device. 
 + 
 +**Check whether the LED lights up.** Plug-in your headphones, turn the potentiometer almost all the way up and **listen if you can hear the buzzing and humming of the electricity** around you from both channels.</WRAP> 
 +</WRAP> 
 + 
 +<WRAP group> 
 +<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-16.jpg?direct&600}}</WRAP> 
 + 
 +<WRAP half column> 
 +16. Attach the **front cover** using the 8 screws and 4 stand-offs. The front cover has a plastic film on both sides for protection – peel it off for more shiny look!</WRAP> 
 +</WRAP> 
 + 
 +<WRAP group> 
 +<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/extra_step.jpg?direct&600}}</WRAP> 
 + 
 +<WRAP half column> 
 +17. Eleketrosluch Mini City kits shipped at the end of September 2017 and onwards have **extra acrylic cover** for the bottom of the circuit board. Attach it as pictured.</WRAP> 
 +</WRAP> 
 + 
 +<WRAP group> 
 +<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/esluch_mini_city.jpg?direct&600}}</WRAP> 
 + 
 +<WRAP half column> 
 +18. **Voilá!** Enjoy your new Elektrosluch!</WRAP>
 </WRAP> </WRAP>