This crystal oscillator is indicated for the calibration of IF steps of common radio receivers. The transistor admits equivalent as 2N2222 or BF494. The circuit is from an old American publication.
This interesting circuit is for controlling a small robot that searches for a light source. The...
January 21, 2016 - Mouser Electronics, Inc. is now shipping the highly anticipated Arduino 101from...
This 2005 circuit was found in an English publication and can be implemented with virtually any...