Indicated for automotive use, this circuit was found in a Popular Electronics from the 90s. The circuit uses a power transistor that must be equipped with a heatsink.
This mono circuit for 10 LEDs was found in the January 1991 Radio Electronics magazine. It is...
This circuit was obtained from an Electronic Design of 1968. The circuit uses components of the...
We found this circuit in the Linear Applications Handbook published by National Semiconductor in...