Current Sensor Amplifier & Over Current Switch

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https://www.electronics-lab.com/current-sensor-amplifier-current-switch/

Current sensor amplifier and over current switch project is based on ACS714-30A current sensor and LM358 Op-amp, ½ of  LM358 op-amp used as an amplifier for low voltage  and 2nd 1/2 LM358 op-amp used as comparator which provides over current TTL output, trimmer potentiometer provided to set the over current limit.  ACS714 sensor measures the […]

3A Variable Bench PSU with Color Display

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https://www.electronics-lab.com/3a-variable-bench-psu-with-color-display/

by SHARANYADAS @ instructables.com: I am playing with electronics since i was a child and made numerous circuits.But still now,i didn’t made any power supply unit for general purpose use.So tired of making PSU for each circuit,I decided to make a stable Bench PSU for general purpose use with some enhanced features.I decided to made the […]