This sophisticated moving bar indicator circuit with the LM3915 is from a Radio Electronics magazine from May 1985. The two-channel circuit includes the power supply.
Published in Radio Electronics magazine in May 1963, the purpose of this circuit is to visualize the...
This power supply for those who want to feed and recover 5 ¼ floppy disks was found in the...
This circuit uses currently uncommon components, including the 10.7 MHz (FI) filter. This circuit was...