2:58 How to calculate input, output, and feedback resisters of an OP AMP given voltage In/Out? Roel Van de Paar
2:11 Electronics: Risks associated with water in a powered-off circuit (2 Solutions!!) Roel Van de Paar
2:28 How is capacitance found when there are 2 different regions with dielectric in the in 2 parallel... Roel Van de Paar
3:04 Converting a variable frequency to TTL HIGH and LOW levels, based on a fixed (possible... Roel Van de Paar
2:34 Electronics: Control duty time and frequency with different potentiometers using one 555 timer Roel Van de Paar
1:22 Electronics: What's the difference between switching speed and gate delay for a transistor? Roel Van de Paar
2:18 Confusion with cut-off frequency calculation using Thevenin equivalent of an RC low pass filter Roel Van de Paar
1:47 Is PIC microcontroller PIC16C72 and PIC16F72 almost the same from a programmer's perspective? Roel Van de Paar
2:13 Electronics: How does a three-phase transformer work with phases sharing a common core? Roel Van de Paar
1:27 Converting low volt (2.7), high amperage, (6) to a higher voltage at 90%+ efficiency Roel Van de Paar
4:07 Can I pedal power a laptop device while the device is being used? (4 Solutions!!) Roel Van de Paar
1:49 If you want to test a step-up transformer, must the load resistor equal the source impedance? Roel Van de Paar
1:52 Electronics: Is it possible to power an AC-to-DC switching adapter with a DC input? Roel Van de Paar
3:31 Electronics: Does TI's LiFePO4 CV-free fast charge method reduce cell lifetime? (2 Solutions!!) Roel Van de Paar
1:35 Which is the better way to send a broadcast signal to a great number of smarthphones in the same... Roel Van de Paar
1:57 Why does increasing sampling density in the frequency domain separate overlapping artifacts in... Roel Van de Paar
2:34 Electronics: How do phosporus atoms affect the conductivity of a doped semiconductor? Roel Van de Paar
4:17 Electronics: Techniques for building 'Bed of Nails' testing board (6 Solutions!!) Roel Van de Paar
1:52 Electronics: Power supply and equipment that I should have to fit all small electronic projects Roel Van de Paar
4:17 Electronics: Do low-ESR ceramic capacitors in the uF-range exist? (3 Solutions!!) Roel Van de Paar
1:51 Electronics: Stellate EEG Machine, would like to read the input in real-time, need to jury-rig it Roel Van de Paar
2:06 Electronics: Why do dual-rank DIMMs have twice the bandwidth of quad-rank DIMMs? Roel Van de Paar
3:12 Electronics: Electrically control material to channel light from specific angle (4 Solutions!!) Roel Van de Paar