A laser microphone is a security monitoring gadget in which a laser beam is used for detecting audio vibrations across faraway targets, which are normally walls or glass of homes […]
Blog
Automatic Light Sensitive Switch with Adjustable Dawn or Dusk Switching
This automatic ON/OFF light switch features a selector switch which facilitates the lamp (load) either to switch ON during night and switch OFF during day, or the opposite, that is […]
RF Amplifier and Converter Circuits for Ham Radio
In this post we will discuss a few high frequency RF converter and preamplifier circuit designs which can be used for amplifying or enhancing the reception of an existing RF […]
Simple FET Circuits and Projects
The Field-Effect Transistor or the FET is a 3 terminal semiconductor device which is used for switching high power DC loads through negligible power inputs. The FET comes with some […]
The Role of Inductor Coil in SMPS
The most crucial element of a switched mode converter or an SMPS is the inductor. Energy is stored in the form of a magnetic field in the core material of […]
Modifying XL4015 Buck Converter with an Adjustable Current Limiter
The post explains a simple way to enhance the the XL4015 DC to DC buck converter with an adjustable current limiter, which seems to be missing in the original module. […]