Transistor as Switch Experiment
Let’s try transistor as switch, to understand how they work, stop it, find Rb, and What you need to know to use transistors smoothly. Read more
Basic Electronics
Recycle Free Li-ion battery from E-waste
We are going to show how to recycle free 18650 Li-ion battery from electronic waste. Our experience using it for almost a year, it runs well. Read more
Precision Full & Half-wave rectifier circuit using OP-AMP
Learn types of rectifier circuit using op-amp. A diodes cannot rectifier ACV lower mV. But 741 rectifiers can help it, in filters, signal measurements, etc. Read more
Order Solderable Breadboard PCBs from PCBway.com
we ordered from PCBway.com for the first time. The ordering systems are great and easy, even for my kids and me, who are relatively new to online ordering. Read more
TL431 circuits as shunt regulators and more
Let’s use TL431 circuit instead Zener. It’s shunt regulator with high efficient, easily uses, cheap. Often, found in common circuits. Read more