Burkhard Kainka (226)

1-11-2016 | Radio reception on AM, shortwave and amateur radio bands stands or falls by the quality of the antenna used. Good results are easy: you just...

1-11-2016 | With so many types of sensor (from joysticks to temperature and humidity monitors) and output devices (from relays to laser lights) it’s no...

1-09-2016 | Without appropriate software the ‘Software Defined Radio’ Shield simply could not function. And there are now so many functions and variatio...

1-01-2016 | Add an RF receiver to a microcontroller and you open up many possibilities. It doesn’t need to be complicated, for most applications you can...

1-07-2015 | The starting point for this project was some newish resistive air humidity sensors, whose resistance varies in the range 1 kOhm to 10 MOhm....

1-05-2015 | This time: 1. Continuity Testing with a ‘Scope 2. Simple Battery Tester 3. Simple AVR port toggle

1-05-2015 | This very private AM station enables me to receive good old BBC by Internet radio and rebroadcast it INDUCTIVELY on medium wave, just as I l...

1-03-2015 | Here we build a low-cost contactless door-entry system and use some clever software to evaluate the resonant behavior of a standard security...

1-11-2014 | There are countless devices available with I²C interfaces, including simple port expanders, EEPROMs and a wide variety of sensors. In the fi...

1-10-2014 | On the Serial Peripheral Interface (SPI) bus, the actual data travels bit by bit over one line—for example from a microcontroller to a displ...