The circuit was conventionally designed with eight LED audio level meter made out of two low power quad op-amps which utilizes LM324. Volume Unit – an entity equal to a decibel for expressing the ...

Here is a Simple LED Volt meter to Monitor the charge level in Lead Acid Battery or Tubular battery. The terminal voltage of the battery is indicated through a four level LED indicators. The nominal ...

Low-profile design and a table-top form factor allow the LX-24 to fit into almost any studio situation, requiring no holes or cut-outs in the furniture. The meter bridge features three sets of bright, ...