| 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...
All items tagged with 555 and Elektor Labs (12)
€5 / Members: Free
![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)
€5 / Members: Free
![Platino - Versatile Board for AVR Microcontrollers [100892 & 150555]](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%2F100892-51s.png)
| Behind every great circuit there's a great PCBV1.4 is coming soonThis updated version adds: