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Good afternoon, dear viewers and readers! In todays article Ill show you a complete assembly manual for 20-band LED spectrum analyzer based on STM32 microcontroller and WS2812B addressable LEDs.

Radio parts store:

- Microchip STM32F407VET6
- Microchip MAX9814
- Microphone amplifier MAX9814
- Microchip LM358
- Linear voltage regulator LM1117 3,3V
- Infrared sensor TSOP38238
- Addressable LED,s WS2812
- Black flexible PCB for WS2812B
- White flexible PCB for WS2812B
- Piezo BUZZER
- Electret microphone
- Tactile Switches
- Vertical audio input 3,5mm
- Connectors KF2510
- Power input 220V
- Power cable 220 V
- Power supply 5 V 80 А
- Remote control
- Programmer ST-LINK/V2
- Cable ties
- Wires with a cross section of 2.5 mm
- 3 pin wire
- Set of connectors for electrical wires
- Ring lugs for electrical wires
- Heat shrink tubing for wires
- Nylon braid for wires
- Plastic mounting posts M/M
- Plastic mounting posts M/F
- Brass mounting posts
- Round head screws M3
- Nutts M3
- Soldering Station NEWACALOX 8786D
- Wire stripper
- Crimper for crimping terminals on wires
- Wire cutters
- Screwdriwer set”

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