https://github.com/patsaoglou/beatntweat-phemeus-l

Audio preamplifier with an NE5532 voltage stage, Class A output stage and features like Input/Output selection, headphones output and soft start circuitry
https://github.com/patsaoglou/beatntweat-phemeus-l

Last synced: about 1 month ago
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Audio preamplifier with an NE5532 voltage stage, Class A output stage and features like Input/Output selection, headphones output and soft start circuitry

• Host: GitHub
• URL: https://github.com/patsaoglou/beatntweat-phemeus-l
• Owner: patsaoglou
• License: mit
• Created: 2024-08-05T10:43:24.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-12-17T18:42:28.000Z (11 months ago)
• Last Synced: 2025-03-25T16:51:37.698Z (8 months ago)
• Language: C
• Size: 1.67 MB
• Stars: 3
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Overview

This is an Audio preamplifier featuring a NE5532 voltage stage, Class A output stage and features like Input/Output selection, headphones output and soft start.

Haven't completed the in-depth Readme going through the design...

![bnt-phemious-l](https://github.com/user-attachments/assets/6542af92-68f6-4ec9-97df-573058a1f1ae)

# Firmware Implementation

In the firmware directory(main.c) you can find the full cubeIDE project where I implement all the microcontroller functionality like softstart delay, the input/output switching and the user's last configuration save/loadup at startup from the MCU flash.

![MCU Pinout](https://github.com/user-attachments/assets/1145fb85-1673-45a7-9e71-a2233c1f748c)