| With this project, I like to build a small class D amplifier based on a 555 timer IC. I also like to use only “common” components, so this p...
More about NE555 (15)
![555 Class D Power Amplifier [130144-I]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Fboard-detail3s.jpg)
| With this project, I like to build a small class D amplifier based on a 555 timer IC. I also like to use only “common” components, so this p...
![Extreme long duration 555 timer without electrolytic capacitors [130257-I]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimages%2F44%2F20160518111155_no-project-image.png)
| Ever heard of 1GΩ resistors? The 555 timer here has a duration time of about 270s; by using a high resistance value of 1GΩ, no electrolytic...
| Ever heard of 1GΩ resistors? The 555 timer here has a duration time of about 270s; by using a high resistance value of 1GΩ, no electrolytic...
| Many circuits nowadays require a square-wave generator for which invariably a separate NE555 is used. Since many of such circuits frequent...