1:40 Electronics: How can I use audio signal to actuate relay (or close dry contact)? Roel Van de Paar
2:11 Electronics: Understanding constant current/constant voltage charging of LiIon battery Roel Van de Paar
2:21 Electronics: How do I modify pin assignments to use my signal names in Quartus Prime? Roel Van de Paar
1:50 Electronics: Hysteresis calculation for "open-collector output comparator" with a pull-up resistor Roel Van de Paar
1:51 Electronics: Arduino and N mosfet lithium battery charging/discharging measuring capacity Roel Van de Paar
1:29 Why does the electrical power of a generator that is close to the short-circuit fault location... Roel Van de Paar
3:17 Pull down resistor for Arduino input to read LOW when no voltage from switch (2 Solutions!!) Roel Van de Paar
3:34 Electronics: With a 555 + 4017, how do I light 7 LEDs, then 6, then 5... then 1 then 0? Roel Van de Paar
1:56 If a device is rated at 12 V/80 mA what does that mean as far as the length of time that it will... Roel Van de Paar
3:25 How much mains leakage does an Ethernet connection to a PC induce, and what is the operating... Roel Van de Paar
4:11 Electronics: How do power companies regulate power plant's voltage output? (4 Solutions!!) Roel Van de Paar
2:23 What is the maximum possible current that can mains supply can deliver? (2 Solutions!!) Roel Van de Paar
3:16 Electronics: How can I have a rising edge close a relay for a fixed time? (3 Solutions!!) Roel Van de Paar
3:13 Electronics: Magnetometer (LIS3MDL) temperature reading changes with orientation (2 Solutions!!) Roel Van de Paar
3:34 Is it possible to eliminate output ripple of SMPS's by using two parallel SMPS's to produce... Roel Van de Paar
2:47 Electronics: Dual edge triggered D flip flip CMOS implementation. Less than 20 transistor Roel Van de Paar
2:31 Simple ADC alternative by using a capacitor and digital Arduino pin (3 Solutions!!) Roel Van de Paar
3:33 Electronics: signal conditioning 0 to (-40) volt to 0-5 volt, arduino (2 Solutions!!) Roel Van de Paar
2:58 Electronics: Current flow in series circuit with different (unknown) resistances (2 Solutions!!) Roel Van de Paar
3:29 Electronics: What kind of circuit do I need with a 6N138 optocoupler to get proportional output? Roel Van de Paar
2:19 Electronics: Direct interfacing of analog MEMS microphone to microcontroller ADC Roel Van de Paar
2:27 Electronics: What is the intended use of high current SSRs and triacs? (2 Solutions!!) Roel Van de Paar
4:46 Electronics: Can someone explain this gain & offset op-amp circuit? (3 Solutions!!) Roel Van de Paar
1:53 Electronics: What is the use of ultrafast diodes in wireless battery charger ckt Roel Van de Paar
1:28 Electronics: How to protect the switching device from back EMF when we connect the inductive load? Roel Van de Paar
3:19 Electronics: How was the design of active filter topologies arrived at, invented or discovered? Roel Van de Paar
2:12 Why is gallium nitride used in power electronics? Are there any alternatives available? Roel Van de Paar
1:38 Unable to upload Arduino sketch to Arduino Uno using AVR ISP MKII and Ubuntu 12.04 Roel Van de Paar
1:34 Electronics: Prevent stepper-motor heating in constant torque situation (2 Solutions!!) Roel Van de Paar