Under this name, Electronics Now magazine published this laser projector in its last issue of November 1999 to “freeze” moments and thus determine their speed. The circuit uses a LASER diode.
This two-tone buzzer can be powered by a solar panel. The circuit is from a 1991 documentation. The...
This blocking oscillator was found in a publication from the 50's. The coils determine the...
The TPA3100D2 integrated circuit from Texas Instruments (www.ti.com) consists of an efficient...