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Purpose of this Project: The goal of this project was to practice soldering on a massive level and learn how to fix problems after soldering.
Day 1: Spectrum Analyzer Soldering Kit is a long name so I will refer to it as music listener, sound reader, or SASK. We got our kits, got all the parts out, took pictures, and checked if we were missing any parts.
Every single part of the soldering is displayed above.
Every single part of the acrylic box is displayed above.
List of Parts
Porcelain capacitor 104 (0.1UF) (5)
470uf electrolytic capacitor (1)
3mm transparent red light LED light (44)
3mm transparent green light LED light (44)
3mm transparent blue light LED light (44)
Microphone
MICRO USB power connecter
Direct plug-in resistance 200 ohms
Direct plug-in resistance 120 kiloohms
Direct plug-in resistance 10 ohms
Direct plug-in resistance 200 kiloohms
Direct plug-in resistance 10 kiloohms
Button micro-switch
STC Chip
Operational aplifier
Chip base 28p
Chip base 8P
Housing and screws
Day 2: Learned the difference between Ohms and Kiloohms, used a multimeter setting to test the resistance of the resistors, and started to put a few resistors in.
This setting is for Ohms.
This setting is for voltage.
Day 3: Started Soldering. I watched the video (kind of) to understand (kind of) where to put all the resistors and other components necessary for the design and then put all the correct resistors in the correct spots. They are labeled on the circuit board so just put the correct resistors on the board. Remember the difference between ohms and kiloohms. They have no polarity so just stick the specific kind with the correct resistance in the designated spot. This is the link to the video https://www.youtube.com/watch?v=NtTpXut1QVs it's in Mandarin so listen with your eyes.
The circuit board with every resistor installed.
Day 4: Started putting in the Red LEDs but never started soldering as I was installing the ceramic capacitors that hold power. LEDs do have polarity so put long wire on the positive side. There are two spaces between each LED color to put the other two colors as seen below. I put the ceramic capacitos at the top in the correct sports.
3 of the Porcelain capacitor 104 (0.1UF)
2 of the Porcelain capacitor 104 (0.1UF)
End of day five's back of the soldering design.
The Rows of LEDs on my board go in the order of red, green, and blue. They do have polarity so put the positive tip on the positive side and vice versa.
Day 5: I worked on finishing up EVERYTHING. I put all the LEDs on the board in the order of red green blue. After that, I installed the adapter so I could power the SASK, a microphone to pick up sound waves, a potentiometer to adjust the resistance of the microphone, an electronic capacitor, and a button that changes the input but I don't know how it works. Finally, I installed the two STC connects and the STCs themselves which hold the code for the project to work as it does. Below is the final result.
Microphone
Chip base 28p
Chip base 8P
470uf electrolytic capacitor
Operational Aplifier
Button micro-switch
MICRO USB power connecter
IMG_0504.MOVA video of the back of the SAKT
IMG_0503.MOVThe completed working design video of the SASK responding to sound.
A picture of a completed back of the design.
A picture of the completed front of the design.
Problems I Encountered: I did not encounter any problems on this project other than the odd cold solder but that was easily corrected by reheating the metal and letting it cool so the connection is made stronger and more stable so my SASK works perfectly.
Conclusion: I learned how to use a multimeter to check the resistance of resistors and if the LEDs worked. I learned how to put together a Spectrum Analyzer Soldering Kit and how it functions. I practiced soldering, organizing components, and problem-solving after completing the design.
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