5:36 Run heater on two powerlines, where the second line is switched according to the main line Roel Van de Paar
1:27 Electronics: Why are there so many 2.1A usb chargers out there? (2 Solutions!!) Roel Van de Paar
3:21 Electronics: Why does the current rise and fall linearly in a DC-DC converter? (2 Solutions!!) Roel Van de Paar
4:08 Electronics: How to make transistor stay in saturation region and proper Rc value caluculation? Roel Van de Paar
2:09 My robot's motor has begun to spin slower, but it works perfectly if I use a different adapter... Roel Van de Paar
3:33 Electronics: How to Use Diode Oring to Switch between Two Power Sources? (2 Solutions!!) Roel Van de Paar
3:12 Electronics: Art Of Electronics Second Edition - Math Question - Complex Number Current Calculation Roel Van de Paar
1:50 Electronics: Benefit of (logically/virtually) separate I/O and memory bus (3 Solutions!!) Roel Van de Paar
1:43 Is separation required around a 12V AC input, if its surrounded by 3.3v and logic level voltages? Roel Van de Paar
2:39 Electronics: Are either a Multiplexer or Decoder going to help me with this circuit design? Roel Van de Paar
2:44 Terminating resistor considerations for half-duplex RS-485 over 80-200 m cable at 115 kbps Roel Van de Paar
3:24 Electronics: What is SEMTECH's "secret sauce" that makes LoRa Picocells viable? (2 Solutions!!) Roel Van de Paar
2:46 Electronics: Amplifier impedance matching with constant voltage speaker systems Roel Van de Paar
2:05 Electronics: If i lower voltage drawn from a battery will it last longer? (2 Solutions!!) Roel Van de Paar
2:00 Electronics: What is frequency divider and how does it work with d type flip flop circuit? Roel Van de Paar
2:31 Electronics: Do home UPS (mostly advertised as inverters) have a rectifier built in? Roel Van de Paar
1:31 Electronics: How to re-magnetize a permenent magnet motor of small size (model railroad)? Roel Van de Paar
3:10 Electronics: The step transient response of a parallel RLC circuit (3 Solutions!!) Roel Van de Paar