This Simple IC L7660 Dual Power Generator Circuit makes dual power from single 5V input, as it gives +5V and -5V output and is useful for op amp circuits, analog circuits and small signal circuits. Moreover, the design uses ICL7660 voltage converter IC and also the circuit is simple and uses only two capacitors. Circuit […]
Power Supply Circuits
5V 3A Linear Power Supply Circuit
This 5V 3A Linear Power Supply Circuit is very simple for one to give it a try, as it uses only LM323K IC and few more parts which are easily available; also, it gives 5V fixed output and can handle load up to 3A. Circuit Working: Parts List: Components Values Quantity Capacitors Electrolytic 4700uF 25V, […]
555 Pulse Generator Li-ion Battery Charger Circuit
Charging a Li-ion battery does not need big smart charger, but we can do it with one small 555 timer chip; also this 555 Pulse Generator Li-ion Battery Charger Circuit makes fast little pulses that charge the cell gentle and safe. Anyone can build this circuit with very few parts and with very low cost, […]
Simple Solar USB Charging Circuit
We can charge phone or gadgets from sun with no wire and with no electricity bill; but this is possible only through solar power! therefore, this Simple Solar USB Charging Circuit help store sun energy in battery. Battery give power anytime and only few parts needed: solar panel, diode, battery, USB module and is small […]
Simple Solar Battery Charger Circuit
Sun gives free energy every day and we can catch this energy and store in small batteries; also this Simple Solar Battery Charger Circuit does this job with very few parts. Just one solar panel, one diode and four NiMH cells, with no complex electronics and no hard wiring and is good for beginners, students […]
USB Powered Small Battery Charger Circuit
Here is a super easy USB powered battery charger circuit, which requires no microcontroller or fancy parts; hence, we can build it using just a simple resistor, a diode, and NiMH cells. Also, good for learning, good for small projects and is safe for small rechargeable cells and great for DIY makers. Circuit Working: Parts […]