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Just wondering if something like these could be used to replace supplimentary gauges like fuel & temperature?
Audio Level Indicator Stereo Music Spectrum LED light Amplifier VU Meter
Intended to display based upon power supplied to speakers whilst powered from another wire. With adjustable sensitivity.
Single mode: display effect is not adjustable, display effect is peak drop(Without Button)
Voltage: DC voltage 5-30V
Current: 20mA (standby)
Connection method: Pre-amp or speaker positive
Adjustable sensitivity of LED 32-segment audio indicator
Overall size: 117X29MM
Display size: 82X10MM
Color:Green+Yellow+Red
Note: When you need two channels to flash together, you need to twist the yellow and white wires together to connect to a speaker +. If you need two-channel flashing side, you need a yellow wire to connect a channel (crossover) speaker +, and the white wire side to connect another channel (crossover) speaker +
The audio signal wiring has priority to the previous level (the previous level is the signal output by the computer"
I have no idea but it seemed like an interesting concept if provided with a variable voltage, though I thought many such automotive gauges worked from variable resistance for a given voltage?
Various sizes & display colours seem available for reasonable prices.
Audio Level Indicator Stereo Music Spectrum LED light Amplifier VU Meter
Intended to display based upon power supplied to speakers whilst powered from another wire. With adjustable sensitivity.
Single mode: display effect is not adjustable, display effect is peak drop(Without Button)
Voltage: DC voltage 5-30V
Current: 20mA (standby)
Connection method: Pre-amp or speaker positive
Adjustable sensitivity of LED 32-segment audio indicator
Overall size: 117X29MM
Display size: 82X10MM
Color:Green+Yellow+Red
Note: When you need two channels to flash together, you need to twist the yellow and white wires together to connect to a speaker +. If you need two-channel flashing side, you need a yellow wire to connect a channel (crossover) speaker +, and the white wire side to connect another channel (crossover) speaker +
The audio signal wiring has priority to the previous level (the previous level is the signal output by the computer"
I have no idea but it seemed like an interesting concept if provided with a variable voltage, though I thought many such automotive gauges worked from variable resistance for a given voltage?
Various sizes & display colours seem available for reasonable prices.
LIKE 
