2:52 Electronics: Replace potentiometer in Dart Controls 90vdc motor controller with raspberry pi Roel Van de Paar
3:33 Electronics: Reading frequency of an audio signal from Android device (2 Solutions!!) Roel Van de Paar
2:23 Different voltage differences for a UART signal (when tested from one microcontroller, vs when... Roel Van de Paar
2:20 Electronics: Trying to program a DSD TECH SH-A10 iBeacon with Sparkfun FTDI Basic Roel Van de Paar
3:55 Electronics: Light effiency or efficacy and watt to heat output (4 Solutions!!) Roel Van de Paar
2:33 Electronics: How safe are voltage detector pens and how can I test one's safety? (2 Solutions!!) Roel Van de Paar
2:46 What is the reason behind the mosfet setup in circuits similar to the one shown in the image? Roel Van de Paar
4:47 Electronics: Why do linear voltage regulators have minimum output voltage ＞ 0 V? (3 Solutions!!) Roel Van de Paar
4:13 Electronics: Determine transfer function from circuit with different currents (2 Solutions!!) Roel Van de Paar
2:16 Electronics: USB null modem cable using 2 x PL2303: are resistors necessary? (2 Solutions!!) Roel Van de Paar
1:40 Electronics: Why is there continuity between the leads of my DC power supply? (2 Solutions!!) Roel Van de Paar
3:01 Electronics: How and why does a UPS generate AC power instead of DC? (4 Solutions!!) Roel Van de Paar
3:02 Electronics: Why do these precision current sinks use both a JFET and BJT instead of one FET? Roel Van de Paar
1:57 Electronics: How to safely expose one wire of an AC mains circuit? (3 Solutions!!) Roel Van de Paar
1:52 Electronics: Can I use an Adafruit Trinket as a simple Android peripheral? (2 Solutions!!) Roel Van de Paar
2:39 Is 74LS139 a DeMUX? If yes then how can I give it input and select lines? (3 Solutions!!) Roel Van de Paar
2:19 Electronics: Why isn't a 1 Farad capacitor equivalent to a wire in LTspice? (2 Solutions!!) Roel Van de Paar
1:45 Electronics: How to increase the amplitude of a colpitts oscillator circuit? (2 Solutions!!) Roel Van de Paar
1:59 Electronics: What is the maximum power an inductor can transfer in a SMPS? (2 Solutions!!) Roel Van de Paar
2:12 Electronics: How to achieve common ground for a single ended input? (2 Solutions!!) Roel Van de Paar
2:06 Electronics: Is microUSB connector used for charging inherently lighter than USB-C solution? Roel Van de Paar
2:19 How to identify/measure a power transformer using signal generator and scope? (2 Solutions!!) Roel Van de Paar
1:40 Electronics: Is it OK that I accidentally swapped TX and RX on a UART bus? (2 Solutions!!) Roel Van de Paar
4:41 Electronics: Can I use a Zener diode to convert 14 V into 5 V in a small-current circuit? Roel Van de Paar
2:50 Electronics: I'd like to know if this MOSFET switches design is okay (2 Solutions!!) Roel Van de Paar
2:48 Electronics: What make now that I have implemented a working prototype of my system? Roel Van de Paar
2:19 Wouldn't using two MOSFETs in push-pull configuration to drive a single MOSFET be... Roel Van de Paar
2:49 What is the purpose of this capacitor in the SA602A circuit and how do I choose its value? Roel Van de Paar
4:21 Electronics: How to achieve the max efficiency from a Buck converter? (3 Solutions!!) Roel Van de Paar
3:00 Electronics: Enable a low-voltage device depending on 12V...48V presence? (2 Solutions!!) Roel Van de Paar
2:15 Electronics: What could happen if I touch a constant current source for example 5 Volts 1 Amp..? Roel Van de Paar
5:01 Electronics: Rated vs. actual power usage of a linear fluorescent lamp (5 Solutions!!) Roel Van de Paar
2:10 Electronics: How can the Vss or Vdd pins of a MCU handle sink or source current? Roel Van de Paar
2:31 High Step-up Ratio DC-DC Convert (12V-to-150V) - Boost, Flyback, Coupled-inductor Boost? Roel Van de Paar
