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| ====== Building your Elektrosluch Mini ====== | ====== Building your Elektrosluch Mini ====== | ||
| - | | + | {{elektrosluch-mini.jpg? |
| - | - [[elektrosluchmini# | + | |
| - | **Important notice:** | + | ===== Introduction ===== |
| + | <WRAP important> | ||
| This kit requires skill and experience with soldering. We are providing it “as is”. We are confident it will work, when properly constructed according to the published design. We will not be able to help you with bad soldering jobs or other errors based on an insufficient standard of assembler workmanship. | This kit requires skill and experience with soldering. We are providing it “as is”. We are confident it will work, when properly constructed according to the published design. We will not be able to help you with bad soldering jobs or other errors based on an insufficient standard of assembler workmanship. | ||
| - | Please do not attempt to construct the project if you do not fully understand it, or if you do not feel completely confident that you can build the project without further assistance. | + | Please do not attempt to construct the project if you do not fully understand it, or if you do not feel completely confident that you can build the project without further assistance.</ |
| If you never soldered before, we highly recommend watching these videos before you start with the kit. | If you never soldered before, we highly recommend watching these videos before you start with the kit. | ||
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| ===== Building guide ===== | ===== Building guide ===== | ||
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| - | - **Examine the printed circuit board.** You can see that it is covered with markings, indicating the correct placement of the components. During this tutorial, you will be mostly placing components (from the top side!) in the correct places and soldering them from the underside of the circuit board. After each soldering stage, you can cut off the leads of the components with side cutters, so they' | + | <WRAP half column> |
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| - | | + | <WRAP group> |
| + | <WRAP half column>{{https:// | ||
| - | - It is best to **start soldering the shortest components first** and then move on to the larger ones. After you place the component legs through the holes, it may be handy to bend them in such a way that it wont fall out when the board is flipped over for soldering. | + | <WRAP half column> |
| + | 2. It is best to **start soldering the shortest components first** and then move on to the larger ones. After you place the component legs through the holes, it may be handy to bend them in such a way that it wont fall out when the board is flipped over for soldering. | ||
| - | | + | Our tutorial starts with resistors. Solder them all in their unique locations, according to the marks on the circuit board.</ |
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| - | | + | <WRAP group> |
| + | <WRAP half column>{{https:// | ||
| + | <WRAP half column> | ||
| 3. **Continue with the socket for the integrated circuit.** Note its orientation, | 3. **Continue with the socket for the integrated circuit.** Note its orientation, | ||
| - | Solder one pin first then check if the socket is placed snugly to the circuit board. If not heat the solder back up and realign, it would be much hard to do so after soldering all of the pins. | + | Solder one pin first then check if the socket is placed snugly to the circuit board. If not heat the solder back up and realign, it would be much hard to do so after soldering all of the pins.</ |
| - | . These will help to protect the circuit from very high frequencies beyond the audible range and oscillations. These are not polarity sensitive. | + | <WRAP half column> |
| + | 5. Then the yellow **ceramic capacitors** marked as 470 (47 pF). These will help to protect the circuit from very high frequencies beyond the audible range and oscillations. These are not polarity sensitive.</ | ||
| - | . | + | <WRAP half column> |
| + | 6. **Now you can solder in the 4 pink polypropylene capacitors.** These will limit low frequency pick-up. These capacitors are also not polarized. Also if you decide that you would like to have bit more bass, you can replace these with higher values (for example 10 μF instead of 2.2 μF).</ | ||
| + | </ | ||
| - |  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 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.</ | ||
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| - | ![](https:// | + | <WRAP group> |
| + | <WRAP half column> | ||
| - | 8. **Put the knob on the potentiometer (notice the " | + | <WRAP half column> |
| + | 8. **Put the knob on the potentiometer** (notice the " | ||
| - | 9. **Next place the double sided sticky pads on the " | + | 9. Next **place the double sided sticky pads on the " |
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| - |  **Cover the battery with attached LOM sticker.** | + | <WRAP half column> |
| + | 14. (Optional) **Cover the battery with attached LOM sticker.** | ||
| - | 14. **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!). | + | 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!). |
| - | 15. **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. | + | 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. |
| - | 16. **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. | + | 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.</ |
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| - | ![](https:// | + | <WRAP group> |
| + | <WRAP half column> | ||
| - | 17. **Insert the battery into the holder.** | + | <WRAP half column> |
| + | 18. **Insert the battery into the holder.**</ | ||
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| - | ![](https:// | + | <WRAP group> |
| + | <WRAP half column> | ||
| - | 18. Attach the front cover using the 8 screws and 4 stand-offs. | + | <WRAP half column> |
| + | 19. **Attach the front cover using the 8 screws and 4 stand-offs.**</ | ||
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| - | ![](https:// | + | <WRAP group> |
| - | ![](https:// | + | <WRAP half column> |
| - | 19. **Voilá!** Enjoy your new Elektrosluch! | + | <WRAP half column> |
| + | 20. **Voilá!** Enjoy your new Elektrosluch!</ | ||
| + | </ | ||