Just found this interesting bug zapper in the shape of a tennis racket. This bug zapper can be used easily to catch a mosquito flying. Let’s see what the bug zapper contains A very simple circuit containing low voltage to a high-voltage Transformer See the wikipedia link for technical details https://en.wikipedia.org/wiki/Bug_zapper If you touch the […]
Dynamo flashlight
This is the rest of my Dynamo flashlight after it fell on the ground On the bottom left you can see the winding of the Dynamo this is a fixed part and it’s connected to the LED and on the top right you can see the batteries that are charged by the Dynamo The left […]