Day 9 (05/15/02024)

A project log for VU Meter Business Card

Simple VU Meter in a business card form factor

tjTJ 05/21/2024 at 01:570 Comments

The input and output buffer once again uses the LM358. I went with two 3.5mm jacks, since 1/4" jacks probably would make it hard to put the business card in a wallet. The final section to design is the power supply.