Experiment with transistor as switch
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
transistor circuits
3 LED Chaser circuit using transistor without IC
Let’s make 3 LED chaser circuits using transistors without ICs. We will learn how transistors work as switches with capacitor discharge. Read more
Simple Solar light circuit version II using Li-ion battery
Previously, we had built the Automatic Solar Light circuit and had been using it for many months. It has fair efficiency for everyday lighting. But this circuit has two problems: a dim light level and batteries that are hard to find and quite expensive. But now my daughter has built this Simple solar light circuit … Read more
5V Low Dropout Regulator Circuit using transistor and LED
Make 5V low dropout regulator circuit using transistor and LED lowest voltage input is 6V so across it is 1V only, make output is 5V 0.5A Read more