In this post I have explained how to make a simple variable power supply circuit using transistor 2N3055 and some other passive components. It includes variable voltage and variable current feature, fully adjustable. Main Specifications 1) Adjustable from 0-30V, 0-60V, and 0-100V, and 500mA to 10 Amp as per user preference 2) Short Circuit Protected […]
Current
Precision Current Sensing and Monitoring Circuit using IC NCS21xR
If you are looking for current shunt monitors or current sense amplifiers then you have landed at the right page. Current shunt monitor is an instrumentation amplifier which senses the current across a shunt resistor in a system, and converts it into a logical signal output for triggering a switching device such a relay, transistor […]
Earth Leakage Indicator Circuit for Detecting Current Leakages in Ground Wires
A simple earth leakage indicator circuit discussed here can be used for getting some very useful results regarding current leakages from an appliance body into the earth pin. The idea was requested by Mr. SS kopparthy. The circuit of the proposed earth leakage indicator is shown in the figure below. Each such unit may be […]