3:19 Electronics: Why does the voltage across the speaker oscillate in this circuit? (2 Solutions!!) Roel Van de Paar
1:18 Electronics: What is this schematic symbol? (Two small circles connecte by a bent line) Roel Van de Paar
3:16 Electronics: Using a barrel jack with higher than rated current but lower voltage? (5 Solutions!!) Roel Van de Paar
2:16 Electronics: Exact mechanical location of pin1 on J8 of raspberry pi 3 (2 Solutions!!) Roel Van de Paar
2:30 Stack up question...return current when signal layers sandwitched between planes Roel Van de Paar
2:36 Electronics: A poor man's alternative to a network analyzer for antenna matching (2 Solutions!!) Roel Van de Paar
3:01 Electronics: What is the physical significance of skewness and kurtosis of an eletrical signal? Roel Van de Paar
2:16 Electronics: Small displacement measurement of a conducting beam with Neodymium magnets Roel Van de Paar
1:53 Electronics: If I looped + and - terminals of a single AA 1.5 V, 2 Ah battery with a broad wire Roel Van de Paar
1:43 How exactly do all FPGAs work together on this board to carry out high speed calculations? Roel Van de Paar
2:26 Electronics: How can we measure sinusoidal signals in atmega8 s (2 Solutions!!) Roel Van de Paar
2:08 Electronics: Making my own PCB connectors, but having trouble with high frequency signals Roel Van de Paar
3:44 Electronics: Shunt resistor, what value should I expect when soldering on PCB? (2 Solutions!!) Roel Van de Paar
1:58 Proper thickness of different copper items normally used in Electric switch and socket? Roel Van de Paar
3:53 When current must flow in a circuit (loop), why does it flow to ground? (4 Solutions!!) Roel Van de Paar
2:14 Electronics: 72-pin SIMM RAM: how do ground (Vss) and supply (Vcc) voltage pins work Roel Van de Paar
3:27 Unstable readings in photoresistor matrix with Arduino, OK with Ohmmeter - what's wrong? Roel Van de Paar
1:56 Electronics: voltage-energy input and voltage drop energy taken away (2 Solutions!!) Roel Van de Paar
2:26 Anyone got any idea what type of antenna these Wireless routers that have no "visible" dipole... Roel Van de Paar
2:13 Determine whether 5V line has power using 3.3V IC (Atmega 2560) without burning power Roel Van de Paar
2:27 Electronics: Peltier died. Burn out? Condensation leakage? What could cause this? (2 Solutions!!) Roel Van de Paar
3:33 Electronics: How do I measure a voltage greater than 5 V with Arduino? (3 Solutions!!) Roel Van de Paar
3:54 Electronics: Random activation of transistor base by capacitive coupling (ghost voltage) Roel Van de Paar
3:42 Electronics: Battery life calculation - depending voltage levels (5 Solutions!!) Roel Van de Paar
2:24 How to determine bipolar stepper motor wiring (came from a 3.5 inch floppy drive)? (2 Solutions!!) Roel Van de Paar
1:23 Do the wattage from connected devices need to add up with the given wattage from a step-down... Roel Van de Paar
3:32 Electronics: Bad Reflection from SMA Board Connector at 4-8 GHz (3 Solutions!!) Roel Van de Paar
2:13 Electronics: Power factor of a transformer (does it have anything to do with load impedance) Roel Van de Paar
2:14 Electronics: Sallen Key Lowpass Filter stops rolling off in simulation (2 Solutions!!) Roel Van de Paar
2:46 How do I calculate the resistor value for this circuit? Will this circuit allow buzzer to work? Roel Van de Paar
2:31 SPI Communication with multiple slaves: Problem on MISO line when both slaves are connected Roel Van de Paar
2:43 Electronics: What do you connect to IN+ and IN- for ADC differential input configuration? Roel Van de Paar
2:14 Electronics: Why are resistors necessary in the following circuit? (2 Solutions!!) Roel Van de Paar
1:39 Do we have a material that reshapes itself depending on applied voltage or electromagnetic field? Roel Van de Paar
2:21 Will connecting a NEMA 14-50 to a IEC 60320-C13 in this manner present issues (2 Solutions!!) Roel Van de Paar