I have an idea about to build a bargraph vumeter with a 1dB step, with a range of 30dB, then I need 30 Leds. I think to use the LM3915, but it is 3dB/step.
Anybody know a way to build this meter?
The response time may be average. The scale I need is about -23 to +6dB.
Any ideas welcome.
Thanks.
Victor
Anybody know a way to build this meter?
The response time may be average. The scale I need is about -23 to +6dB.
Any ideas welcome.
Thanks.
Victor