Archives for the ‘Fun circuits’ Category

A D V E R T I S E M E N T

Rain Alarm

Rain alarmFor some areas that are facing the rainy season like in my place, this Rain Alarm circuit project might be a little helpful to give warning that there will be rain. This is helpful, for example if you are inside the house and were doing activities that make you forget that you’re hanging clothes outside. Rain Alarm immediately will give a warning to you.

Knight Rider LED circuit

Knight rider led

This simple LED circuit makes the  LED effect as in Knight Rider LED car. The chain of nine high-brightness LEDs are constantly running from left to right and from right to left. You can use red LEDs, and to attract additional attention to the front – white LEDs.

Synthesizer lighting effects part 3

In this section layout is shown on the board of the Synthesizer lighting effects, Synthesizer lighting effects part 2.
Synthesizer board layout
DA1 7805 ICSet will save time that you would spend on the search for components and printed circuit board manufacture a similar device. Set NM5101 can be purchased in stores or on the radio market electronic components.

Based on the book “Gather yourself” no. 2, 2004.

A D V E R T I S E M E N T