This is a typical point scale or moving bar circuit with the LM3915. We found it in old American documentation. The operational amplifier supports an equivalent modern type.
The National Semiconductor LM675 operational amplifier can provide up to 3 A of output current. In the...
This circuit was obtained from a Philips documentation from 1970. It can be built on modern...
April 2017 - Mouser Electronics already stocks the new Broadcom APDS-9500 proximity and gesture...