instructables Spectrum Analyzer with Steampunk Nixie Look Instruction Manual
Learn how to create your own NIXIE tube lookalike Spectrum Analyzer with a steampunk twist using PixelLeds and a wooden housing. This 10 channel analyzer with an antique look can easily be modi,ed to fit any steampunk theme. The Pixelleds are controlled by an ESP32, and the board is programmable with the well-known Arduino IDE. Get creative with this DIY project and impress your friends!