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 simple battery tester uses two transistors to drive LEDs of different colors, indicating the...
This circuit is from a 2005 Linear Technology application manual. The circuit uses a commercial...
This circuit was found in an English magazine in 1983 but can be assembled with BC558. However, the...