| Increase potentiometer frequency control span with a factor of 10 or more by wiring it up differently. This approach can also be used to ext...
| Increase potentiometer frequency control span with a factor of 10 or more by wiring it up differently. This approach can also be used to ext...
| Here is an update to a 555 Class D Power Amplifier project first presented about a decade ago. Read on to learn about some of the improvemen...
| Driving a mains-powered load, be it inductive or resistive, invariably has to be done with care and attention to avoid dangerous situations....
| I love time; the more I can have of it, the better. Unfortunately our time is limited, but running tasks in parallel feels as if we have mor...
| This is a support page for the Elektor October 2015 article about the MLX90393 Triaxis Micropower Magnetometer from Melexis.Buy it here.
| Some time ago the author was asked about options for making a Drum Light for the Carnival festivities. The contraption should light up brigh...
| A friend asked me, how he could make a Drum Light for the coming carnival, which would light up, everytime he slams the drum and therefore g...
| The new LPC810 from NXP is an ARM Cortex-M0+ based microcontroller in an 8-pin DIP package. It is also very cheap, although not as cheap as...
| 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...
| 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...