Size: Pointer Length: 44±1mm from needle tip to axis. Pointer Width: 0.45 ± 0.05mm. Working Principle: Ensures minimal recording distortion, with a maximum current sensitivity of up to 960uA and high accuracy.
eBay
The position where the front end of the pointer is combined with the center of the zero scale is the tolerance of the reference pointer and the zero scale overlap is ±1mm. Pointer swing direction: from left to right.
eBay
Rhythm light music pickup spectrum LED light display audio modification atmosphere light music. 1 x LED music spectrum display module. Spectrum range: 20Hz-25KHz. Suitable for ambient lighting, decoration and audio modification.
eBay
VU-01 driver board, a newly redesigned, high-quality audio driver. Turning clockwise increases sensitivity. Suitable for M3 screws. Interface DC resistance: 630 ohms. 1 x Driver Board. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
I have very quickly tested these by inserting a signal directly into the full wave rectifier & all 20 of the 3mm square LED’s illuminate. Knowledge of electronics may / will be required to hook these up if your planning to add them to your project etc.
eBay
Pointer swing direction: from left to right. The position where the front end of the pointer is combined with the center of the zero scale is the reference. The tolerance of the pointer and the zero scale overlap is ±1mm.
eBay
Spectrum mode optional. 1 VFD Audio Spectrum DIY Kit. speed regulation. Input channel: audio input x1. Input impedance: 50kOhm. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay
Internal DC impedance: 650Ω±10%. Insulation resistance: above 50Ω. Pointer swing direction: from left to right. Friction: ±1mm. Current sensitivity: 1000uA±10%. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay