This transistor tester with different gain ranges was found in documentation from the 1980s. The circuit can still be implemented with more modern components and used with general purpose transistors.
The circuit shown in the figure makes it possible to control a stepper motor via the serial port...
June 2017 - The new ROHM Low Dropout Voltage Regulators (LDOs) for 3.3 V or 5.0 V high accuracy...
This circuit generates a strong audio tone that scares away mosquitoes. Care must be taken that,...