This project shows how to control Fading LED Circuit using Arduino and Potentiometer and this potentiometer gives analog voltage; therefore, by rotating the potentiometer knob varies the voltage output and Arduino reads this variation. Then Arduino reads it and changes LED brightness and this LED brightness changes smoothly; furthermore, the circuit is easy to make […]
Mini Projects
Simple Up Down Fading LED Circuit
This circuit makes LED glow slowly and then fade slowly which looks like breathing effect, also it uses simple parts like only resistor, capacitor and transistor and with no microcontroller. Furthermore, beginners can easily build this Simple Up Down Fading LED Circuit on a breadboard, and they can use it in shopping malls, homes and […]
Simple 5V to 3.3V Converter Circuit using IC LD33V
Here, is an article for Simple 5V to 3.3V Converter Circuit using IC LD33V, also this circuit is cheap, works from 5V input and it uses LD33V voltage regulator IC. We just need to take a phone charger and put a charger output to regulator input and then regulator will gives stable 3.3V output which […]
Simple IC L7660 Dual Power Generator Circuit
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 […]
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 […]