David Ashton (30)

1-08-2023 | Got dead Ni-Cd batteries lying around? You can still revive those! This clever circuit, featuring a 555 timer, brings them back from the dea...

11-07-2023 | The DSO-TC3 is one of those amazing all‑in‑one pieces of test equipment which seem to be becoming more common these days. It offers a wide r...

1-07-2023 | Embedded engineers and hobbyists are spoiled for choice these days regarding computing power, thanks to the vast array of microcontrollers o...

1-03-2023 | A stepper motor driver? What’s peculiar about that? There are probably hundreds of them! Well, the peculiarity of this one lies in its simpl...

1-11-2022 | Do you have fuses everywhere, but not one to replace that which has just blown? Join the club! However, there is an alternative — the polyfu...

9-08-2022 | Do you have fuses everywhere, but not one to replace that which has just blown? Join the club! However, there is an alternative — the polyfu...

1-08-2022 | Testing power semiconductors is not always easy. Multimeters do not provide enough voltage or current to do a proper test. Testing with powe...

1-08-2022 | Building a solution to test both DIP switches and bar/individual LEDs is fairly straightforward. All you need are 10 resistors, 10 red LEDs...

5-07-2022 | Testing power semiconductors is not always easy. Multimeters do not provide enough voltage or current to do a proper test. Testing with powe...

1-07-2022 | While the semiconductor industry has some great innovations, sometimes you can’t beat a real switch! Here we delve into the world of reed re...