This comprehensive solar charge controller is designed to effectively charge a big 12 V 100 Ah battery with utmost efficiency. The solar charger is practically foolproof in terms of battery […]
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4 Useful Logic Probe Circuits Explored
These simple yet versatile 4 LED logic probe circuits can be used to test digital circuit boards such as CMOS, TTL or similar for troubleshooting the logic functions of the […]
Automatic Door Circuit using PIR – Touchless Door
Along with social distancing and masks, the other major thing the post COVID-19 era has compelled the world to implement is to go touchless. This is being recommended for the […]
Digital Theremin Circuit – Make Music with your Hands
Named after its creator, the theremin originated in the Soviet Union in the beginning of 1920’s. This comprised of a container installed with a couple of antennas. It did not […]
10 Useful Function Generator Circuits Explained
In this post I have explained how to build 10 simple yet useful function generator circuits using IC 4049, IC 8038, IC 741, IC 7400, transistors, UJTs etc. for generating […]
Cup Full Indicator Circuit for the Visually Challenged
This circuit basically is a fluid level alarm indicator intended for alerting visually impaired individuals regarding the liquid level in a container such as cup, glass or bowl. The unit […]