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 ...

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 ...

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, ...

The city of Buriticupu, in the northeastern tip of the Brazilian Amazon, is being slowly swallowed by the earth. In recent weeks, huge sinkholes, several meters (feet) deep, have led the municipal ...